Stay Ahead With Linux Security Features
security advisory attack A Linux server gets cleaned up after an intrusion. The suspicious process is terminated, credentials are rotated, and the system is rebooted during maintenance. Everything seems secure. A few hours later, the same outbound connection appears again. . Situations like that point to persistence . The attacker no longer needs the original exploit because something on the host continues restoring access behind the scenes. Finding that mechanism is often more important than understanding how the...
Jun 08, 2026
threat detection scalability Building a SIEM is easier than scaling one. Most open-source deployments start as a simple "all-in-one" server. It is easy to set up, but that design rarely survives the transition from a lab to a production workload. . A SIEM watching 20 endpoints is not doing the same job as one watching 500. More endpoints mean more logs; more logs require more storage; more storage makes search heavier. Eventually, the very architecture that made your lab easy to deploy becomes the reason your production...
Jun 04, 2026
security advisory apache A newly disclosed attack technique called HTTP/2 Bomb is drawing attention because it targets the software that sits at the front of much of the Linux internet. Apache HTTP Server, NGINX, Envoy, and the ingress layers that many Kubernetes environments depend on can be forced into consuming disproportionate amounts of memory using relatively small amounts of attacker traffic. . For Linux administrators, the concern is not the HTTP/2 protocol itself. It is the possibility that a single...
Jun 04, 2026
security advisory important The compromise of Nx Console shows how much infrastructure now sits behind a single developer account. GitHub repositories, CI/CD pipelines, container build systems, Terraform projects, Kubernetes deployments. None of those systems was the initial target. The workstation was. . Attackers did not need a Linux privilege escalation bug or a remote code execution chain. They needed developers to trust a tool they were already using. For many organizations, that was enough. What Happened? Federal...
Jun 03, 2026
security advisory open-source You remove the malware. You rotate the compromised credentials. You patch the original vulnerability and close the ticket. Two weeks later, the attacker is back. . What happened? You didn't lose the battle at the exploit; you lost it at the cleanup. In many modern Linux intrusions, the malware you found wasn't the main problem—it was the fallback mechanisms left behind. These hooks quietly restore attacker access the moment you look away. If you clean a host but miss these persistence layers,...
Jun 02, 2026
Refine features
X Clear Filters
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Community Poll
What got you started with Linux?
Loading...
Explore Latest Linux Security features
We found -1 articles for you...
102
network threatsemail securityemail protectionBest Practices for Email Security on Linux With Open Source Solutions
Email is one of the most prominent methods of modern business communication. It is a critical dissemination channel for sharing legal documents and other confidential business information in any formal environment. However, email is also the root cause of over 90% of all attacks in network security, such as phishing, URL spoofing, malicious attachments, trojans, and malware. . Hackers design these messages to look harmless, but a successful attack can cause severe, lasting damage , including data loss, reputational harm, and financial damage to your organization. The impact of data and cloud security breaches can be devastating for a company. Therefore, it is essential to take precautions to help your organization thwart email threats and use reputable open-source network security toolkits to secure business email. This article will explore why the collaborative, transparent, open-source development model is superior to engineering flexible and adequate email protection. It will also offer other tips and practices Linux users should implement to ensure their data and network security within their email. What Are Common & Costly Email Threats Organizations Face? Email is a primary form of communication but, as a result, has become a target for cybercriminals seeking to take advantage of cybersecurity vulnerabilities. Organizations face various email threats that can lead to significant financial losses, reputation damage, and cloud security breaches . Companies should understand what they are facing to protect sensitive information and avoid network security threats. Phishing Phishing attacks are among the most popular and damaging network security threats for email. A cybercriminal poses as a legitimate entity, such as a bank, government agency, or well-known brand. They then use this identity to deceive recipients and obtain sensitive information that can allow them to breach data and network security. Phishing emails often contain persuasive messages that urgerecipients to click on malicious links, provide login credentials, or disclose confidential data. It is important to decipher between typical phishing and spear phishing. While phishing targets many users, a spear attack targets a particular person, such as a company CEO. This distinction shows who faces the network security threat the most in a given attack. There can be severe consequences for financial fraud, data loss, and cloud security breaches. The business's personal information, financial data, or login credentials could be compromised, and such knowledge could allow more attacks on network security, such as installing malware or gaining unauthorized access to an organization's network. Ransomware Malicious actors will use software to encrypt a victim’s data until a ransom is paid. A business can face operational disruptions, financial losses, and reputational damage due to these attacks on network security. Ransomware emails are often disguised as legitimate messages. When one opens an attachment or clicks on a link, the ransomware is activated, rapidly encrypting files and rendering them unusable. In some cases, it can also spread throughout the organization's network, infecting multiple systems. Remember: ransomware recovery is often problematic. Therefore, learning to prevent email threats is incredibly valuable so you never have to deal with the consequences. Business Email Compromise (BEC) Business Email Compromise (BEC) attacks specifically targeted organizations and their employees. Cybercriminals gain unauthorized access to an employee's or a high-ranking executive's email address. They then use these compromised accounts to deceive employees into performing fraudulent actions. Business Email Compromise includes manipulations to make people transfer money or disclose sensitive information. These attacks in network security involve a threat actor studying an organization and monitoring email communications so they can send more convincing messagesduring a network security threat. A company needs a multi-layered approach to address these network security issues. This approach combines technological solutions, employee education, and robust security practices. Open-source software provides cost-effective and customizable network security toolkits to detect and mitigate these risks, enhancing overall data and network security. Why Should My Organization Prioritize Email Data and Network Security? Email security is vital for all companies. Here is why: Email is a primary means of communication for sharing sensitive information and conducting important business transactions. This makes email communications an easy access point for cybercriminals to initiate attacks on network security. Phishing, ransomware, and other network security threats are constantly growing in sophistication, making them even more substantial risks to organizations, regardless of the size. Data and network security regulations and industry standards require strict email security measures to ensure sensitive information confidentiality, integrity, and availability. In addition to security concerns, businesses focus on engaging customers more effectively while maintaining high-security standards. Personalized email outreach helps organizations connect more individually, enhancing communication relevance and boosting response rates. However, pairing these efforts with strong security measures is essential to protect sensitive information. Open Source Utilization in Email Security Organizations can enhance email security by implementing open-source software into their system, which is a community-driven approach to software development. Workers can review and improve the solutions observed by developers who keep track of cybersecurity vulnerabilities so they can fix them immediately. Open-source software can be customized and tailored to the needs of the organization. This dedication to data and network security makes open-sourcesoftware more reliable and secure, minimizing the risk of bugs and other exploits in cybersecurity. Email Security Tips & Best Practices for Linux Users Although Linux is more secure than other operating systems, users must still implement email security measures to defend the system and combat any data and network security threats. Here are a few suggestions to consider to protect the integrity of your company: Use End-To-End Encryption (E2EE) Only the intended recipient of an email can decrypt and read the message when using End-to-End Encryption. This protects the email should it be intercepted, as it will be unreadable to malicious hackers without the correct decryption key, protecting your emails from any network security threats. The intended recipient will get the email and use the private key they have to access the content in the message. The sender and the recipient must have compatible encryption software and exchange public encryption keys securely for E2EE to work appropriately and effectively. You can check our practical guide to using E2EE on Linux for more information. Leverage VPN Using Virtual Private Network offers several email security benefits . VPN has privacy-enhancing technology and monitors internet traffic like email communications to ensure that all your information is encrypted and safe. As a result, hackers and unauthorized entities cannot easily access or intercept information. While VPN can enhance email protection and data and network security, it should be used with other safety measures such as End-to-End Encryption, secure email clients, and robust authentication methods. Deploy an Open-Source Email Security Solution Open-source solutions offer transparency and flexibility so you can customize data and network security configurations according to your needs. Collaboration on such products often includes regular updates, security audits, and improvements driven by a dedicated community. An open-source cloud email security solution allows users to inspect the underlying code for security measures. Utilize Anti-Spoofing Technology Spoofing is a network security threat that occurs when an intruder impersonates a legitimate sender to gain unauthorized access to sensitive information. To prevent these exploits in cybersecurity, Linux users can implement anti-spoofing software or technologies such as Sender Policy Framework (SPF), DomainKeys Identified Mail (DKIM), and Domain-based Message Authentication, Reporting, and Conformance (DMARC). SPF verifies the sender's IP address against a list of authorized ones, ensuring that only legitimate senders can successfully deliver emails. DKIM adds a digital signature to email messages for the recipient to verify the message's authenticity and integrity. DMARC builds upon SPF and DKIM to reduce the risk of domain spoofing, providing a comprehensive framework to authenticate and monitor email domains. Ensure client software is patched and up-to-date Developers constantly release security patching and updates to fix flaws and improve security postures, performance, and stability within a software. Updating email clients and their associated software allows Linux users to experience a more seamless integration of newer hardware components. A business must frequently utilize security patching and software updates, which are critical to ensuring no cybersecurity vulnerabilities that threat actors can exploit. Enabling automatic updates or setting up regular reminders to manually update email client software guarantees that the latest cybersecurity trends are implemented promptly and appropriately. To keep track of newly emerging network security threats, Linux users can check security advisories . There are databases within that discuss the various network security issues different software run the risk of experiencing. This information is available publicly and allows businesses to jump into action when a potential threat appears quickly. Use Securely DevelopedSoftware When choosing an email security solution, options with safe development practices are essential. Your choice should include software that undergoes regular security audits, follows secure coding guidelines, and has a responsive developer community. Security software developers often try to reduce the risk of cybersecurity vulnerabilities and ensure that potential network security issues are identified and addressed quickly. Software choices provide customers confidence in the product, as they can be sure it has undergone rigorous security checks. Therefore, it can help reduce the likelihood of email-based security incidents and protect sensitive information. Educate Users Software users within an organization must be educated about the various email threats a company faces to prevent such workers from being cybersecurity vulnerabilities. Such people end up being the most significant risk to a company. Still, these free educational tips and resources will enable the users to identify and respond effectively to suspicious emails. The training may cover topics including recognizing phishing attempts, avoiding clicking on suspicious links, preventing downloads for attachments from unknown sources, and practicing good password hygiene. Furthermore, users should understand the importance of regular email security assessments , frequent software updates, strong passwords, and enabling two-factor authentication for email accounts, all of which can guarantee improved data and network security. Limit Administrator Privileges There should not be a large number of users that have administrative access within your organization, as it will reduce the potential damages you risk by providing privileged permissions to too many individuals. This decreases the chances of privilege escalation attacks and other email-based security incidents. Granting administrator privileges only to authorized personnel minimizes undesired access, accidental misconfigurations, or intentional misuse ofemail systems. Linux users should ensure that individuals have the level of access required to perform their specific tasks only, no more. Implement Innovative Email Security Technologies To stay ahead of evolving network security threats, embrace innovative email security technologies. These solutions use cutting-edge techniques to detect and mitigate real-time email attacks. Some of the best open-source network security toolkits you can utilize in innovation include Apache SpamAssassin , Amavis Email Content Filter , FuGlu Mail Content Scanner . These instruments provide valuable email security benefits such as effective spam detection, malware prevention, virus protection, content filtering, phishing prevention, and customization options. As open-source solutions with active communities, they offer continuous updates and improvements, ensuring robust protection against all email threats. Other technologies can enhance email security in different ways. Virtual security patching helps protect against known cybersecurity vulnerabilities by providing temporary fixes until permanent patches are applied. Application control enables organizations to restrict the execution of unauthorized or potentially malicious software. Log inspection allows for analyzing email server logs, helping to detect and investigate suspicious activities or potential cloud security breaches. Advanced security technologies employ Machine Learning (ML) algorithms and behavioral analysis to identify and block malicious emails. Using ML in data and network security helps prevent phishing attempts, malware infections, and other email threats. Moreover, ML-based email filtering enhances spam detection accuracy by continuously adapting to new spamming techniques, which reduces the risk of users falling victim to fraudulent emails or unsolicited messages. Defend Against Email Threats with Guardian Digital Open-Source Email Security Solutions Guardian Digital protects businesses against new and known email threatswith its comprehensive EnGarde Cloud Email Security solution. Guardian Digital anticipates the network security threats specific to your users so workers can stop the attacks using flexible filters that adapt to your environment. EnGarde uniquely draws on network security toolkits, resources, and intelligence available through its vibrant, global open-source community to enhance protection against all email-borne threats to your business. A product of open-source development , EnGarde is supported by an innovative, collaborative international input program, resulting in rapid updates and superior security and resiliency. Final Thoughts on Protecting Against Email Threats with Open Source Email is a vital communication channel for all businesses, but it can also present serious network security issues if email protection is not implemented. Utilizing reputable open-source technology and implementing other tips and practices discussed in this article are excellent ways to improve the security posture of your email to defend against cyberattacks in network security and other cloud security breaches. . Fortify your email defenses against phishing attacks and ransomware threats by implementing these crucial strategies and leveraging powerful open-source tools available on Linux.. Email Security Best Practices, Open Source Email Tools, Cyber Threat Prevention, Linux Email Protection. . Brittany Day
Jul 03, 2023
•
102
network securitydata protectionencryptionThe Importance of Strong Encryption in Digital Privacy and Security
If you’ve been keeping up with recent security news, you are most likely aware of the heated worldwide debate about encryption that is currently underway. Strong encryption is imperative to securing sensitive data and protecting individuals’ privacy online, yet governments around the world refuse to recognize this, and are continually aiming to break encryption in an effort to increase the power of their law enforcement agencies. . Governments have been trying for years to require that companies build backdoors, or deliberate weaknesses in encryption intended to provide easy access to encrypted data, into encrypted software and technology, arguing that unbroken encryption makes criminal investigations too difficult. The FBI has been using the term “going dark” since the late 90’s to describe the “threat” that strong encryption poses to omnipresent government surveillance. This fear of strong, unbroken encryption is not only unfounded - it is dangerous. Encryption with built-in backdoors which provide special access for select groups not only has the potential to be abused by law enforcement and government agencies by allowing them to eavesdrop on potentially any digital conversation, it could also be easily exploited by threat actors and criminals. US Attorney General William Barr and US senators are currently pushing for legislation that would force technology companies to build backdoors into their products, but technology companies are fighting back full force. Apple and Facebook have spoken out against the introduction of encryption backdoors, warning that it would introduce massive security and privacy threats and would serve as an incentive for users to choose devices from overseas. Apple’s user privacy manager Erik Neuenschwander states, “We’ve been unable to identify any way to create a backdoor that would work only for the good guys.” Facebook has taken a more defiant stance on the issue, adamantly saying that it would not provide access to encrypted messagesin Facebook and WhatsApp. Senator Lindsey Graham has responded to this resistance authoritatively, advising the technology giants to “get on with it”, and stating that the Senate will ultimately “impose its will” on privacy advocates and technologists. However, Graham’s statement appears unrealistic, and several lawmakers have indicated that Congress won’t make much progress on this front in 2020. This article will examine the pivotal role that strong encryption plays in digital privacy and security, and hopefully dispel some of the common and detrimental myths that exist surrounding encryption. What is Encryption and Why Is It So Important? Encryption is the process of encoding information in a manner in which only authorized parties can access it and unauthorized parties cannot. Encryption does not prevent interference, but rather denies intelligible content to anyone who does not have access to a specific encryption key. The right encryption is highly effective in preventing data theft, and has a long history of being used by governments and militaries to facilitate secret communication. Encryption is now commonly used to protect sensitive or confidential information for all types of uses and users. It is essential in protecting data in transit in cases such as email communications, information transferred via networks and mobile phone conversations. The Advanced Encryption Standard (AES) is the standard algorithm that is used in virtually all cryptography today. AES was established by the United States National Institute of Standards and Technology (NIST) and is the only publicly accessible cipher approved by the National Security Agency (NSA) for government use. Encryption: Vital to Effective Email Security Encryption is an essential part of any email strategy or solution. It protects sensitive information shared via email such as financials, customer records and intellectual property, while preventing data loss. All effectiveemail security gateway solutions utilize strong encryption as a means of providing complete, end-to-end email email protection. When it comes to encrypting email, there are various protocols that email security providers often incorporate into their solutions. They include: Transport Layer Security (TLS): TLS is a cryptographic protocol designed to secure communications over a computer network. The protocol aims to provide privacy and data integrity by encrypting email traffic from server to server. Domain-based Message Authentication, Reporting & Conformance (DMARC): DMARC is an email authentication protocol that gives email domain owners the ability to protect their domain from unauthorized users. Once a DMARC Domain Name System (DNS) is published, receiving email servers can authenticate incoming emails based on the instructions published by the domain owner within their DNS entry. DMARC helps protect a domain from threats such as phishing and business email compromise (BEC) . Sender Policy Framework (SPF): SPF is a method of email authentication which detects the forging of sender addresses during the delivery of an email message. This protocol allows a receiving mail server to confirm that mail claiming to come from a specific domain is submitted by an IP address authorized by the administrators of that domain. Only in combination with DMARC is SPF capable of identifying email spoofing, or the creation of email messages with a forged sender address which is often used in phishing and email spam . DomainKeys Identified Mail (DKIM): DKIM is an email authentication method designed to detect email spoofing. By attaching a digital signature linked to a domain name to each outgoing email message, it allows either technology or end users to confirm that an email claimed to have come from a certain domain was indeed authorized by the owner of that domain. When choosing an email security gateway solution, look for one that utilizes most, orpreferably all, of these encryption protocols. As with any aspect of security, defense in depth is key to effective protection, and encryption is no exception. Multiple methods of email authentication working in concert will be highly beneficial in terms of protecting your privacy and the integrity of your data. Guardian Digital EnGarde Cloud Email Security is an ideal solution for organizations looking to secure their email accounts with multiple layers of encryption and email authentication protocols. EnGarde provides comprehensive end-to-end business email protection using TLS, DMARC, SPF and DKIM to protect sensitive data and authenticate every email that is delivered, mitigating the risks associated with malicious emails reaching the inbox. Encryption and Network Security In addition to the vital role that it plays in email security, encryption is also a critical aspect of network security. Network encryption, or the process of encrypting messages transmitted over a computer network, is essential in protecting the privacy and integrity of data in transit between networks. It ensures that data is unreadable when it is transferred between network nodes, preventing eavesdropping of network traffic by unauthorized users. The SSL standard is the default form of network data protection for Internet communications; however, many companies also choose to secure their internal networks, virtual private networks (VPNs) and corporate backbone networks with network level encryption to help protect against cyber attacks and data breaches. On IP-based networks, Internet Protocol Security (IPSec) is an open standard which provides encryption at the network level, acting as a framework that can authenticate connections and confirm the integrity of data. IPSec can be used to securely transfer data from network-to-network, host-to-host or network-to-host. With IPSec, individual messages may also be encrypted at the application level with tools such as GNU Privacy Guard and OpenSSH . Ransomware: The Dark Side of Encryption While encryption has had a largely positive impact on cybersecurity, like any powerful tool, threat actors have developed ways to incorporate it into their exploits. The primary example of this “dark side” of encryption is ransomware , a type of malware designed to encrypt a victim’s files until they have paid the sum of money that the attack demands. While ransomware decryption tools exist for many common ransomware variants, these tools are typically not available for newer or less common strains of ransomware. Ransomware attacks are on the rise and can have severe consequences for organizations. Over the past year, ransomware attacks from phishing emails have increased by an alarming 109 percent , putting 60% of small companies victimized out of business with six months of getting hit with an attack . Implementing an advanced, comprehensive business email security gateway solution that identifies and combats sophisticated threats like ransomware in real time is the most effective way for organizations to mitigate their risk. The Bottom Line Encryption is an essential component of digital security that should be embraced, not feared. In any scenario, unencrypted data is subject to prying eyes. Strong, unbroken encryption is vital in protecting privacy and securing data both in transit and in storage, and backdoors would leave sensitive data vulnerable to tampering and theft. Encryption prevents governments from spying on companies and citizens, a task that is more critical than ever after the implementation of the PRISM surveillance program , in which the National Security Agency (NSA) indiscriminantly monitors communications en masse, supposedly in an effort to combat terrorism. The argument for incorporating backdoors into encrypted communications is unfounded and fundamentally flawed, and is ultimately a disguise for government surveillance and the abuse of power. What are your thoughts on the currentdebate surrounding encryption? Leave a comment below and let us know - we are passionate about this topic and would love to have a discussion! . Encryption is a crucial tool for digital privacy, protecting personal data from cyber threats while sparking debates on national security and law enforcement practices. Digital Encryption, Privacy Protection, Email Security Solutions, Ransomware Prevention, Data Integrity Tools. . Brittany Day
Jan 07, 2020
•
102
open sourceemail protectionphishing defenseGuardian Digital: Email Security Against Phishing and Malware Threats
Cloud-based email security solution utilizes the open source methodology for securing business email, recognized by many as the best approach to the problem of maintaining security in the relentlessly dynamic environment of the Internet. . Midland Park, N.J., March 20, 2019 - Guardian Digital, Inc. , the premier open-source Internet security company, today announced the use of advanced open-source technologies to address the rising trends in email security threats – phishing attacks, malware, viruses, ransomware and fraud. Guardian Digital EnGarde Security Gateway is a security-as-a-service email protection system built using the open-source development model , combined with decades of email security expertise to form a vigilant business email security system that adapts to the constantly evolving threat landscape. Since its inception in 1999, Guardian Digital has employed its unique expertise in open source and security to protect the email infrastructure of companies across a diverse range of industries including some of the largest organizations in the world. The company’s open-source platform was designed to mitigate the most advanced targeted threats to business email through the development of detection techniques that evolve as quickly as the attacks themselves. Coupled with an unrelenting commitment to customer service, Guardian Digital is able to provide cutting-edge email security solutions to successful businesses around the world. “Our open-source development model provides a superior vehicle to delivering more secure, effective, and affordable secure business email solutions accessible to every organization,” says Dave Wreski, Guardian Digital founder and CEO. “We’ve taken the knowledge and expertise we’ve gained over almost two decades and use it exclusively to enhance our client’s email security with a scalable, cost-effective product.” EnGarde Email Security Gateway incorporates key features and benefits, including: - Resilient open-source design,which reduces risk and provides more features - Comprehensive defense against phishing scams and other advanced threats - Centrally managed cloud-based administration - Rapid adaption to evolving threats - Fully managed system, which reduces start-up and ongoing costs - Automatically adjusting detection algorithms that anticipate attacks - Multi-tiered protection that provides effective defense at every level Unlike other email providers, Guardian Digital only offers managed solutions. Guardian Digital customers benefit from decades of industry experience plus the infinite resources of the open-source community. Developers from around the world ultimately contribute to Guardian Digital products, which means a vastly greater level of performance is realized than with proprietary alternatives. “Through the use of open-source applications as the basis for our email security solutions, we're able to help organizations protect their data from all forms of email attacks," says Wreski. "The level of flexibility of applications like SpamAssassin and postfix as a framework for our services, combined with the increase in efficacy with every release, means Guardian Digital can continually provide a best-of-breed email security solutions to some of the largest organizations in the world, and do it much more cost-effectively than conventional solutions." About Guardian Digital Guardian Digital, Inc. builds enterprise email solutions with an intense focus on security and unrivaled customer support, designed to ease information technology overhead for its customers. Since its inception in 1999, Guardian Digital has pioneered the open-source architecture security-as-a-service email protection model to block today and tomorrow’s sophisticated threats to email integrity. Guardian Digital continues to innovate the email security marketplace using technology unavailable from any other vendor. Its EnGarde Email Security Gateway leverages the benefits of open-source development, contemporary cloudtechnologies, and decades of combined experience protecting enterprises. Guardian Digital is dedicated to its customers and their safety is the very foundation of what the company offers and builds on in regard to email gateway protection. For more information on Guardian Digital, please visit guardiandigital.com Connect with Guardian Digital: Twitter | LinkedIn | Facebook ### Guardian Digital is a registered trademark or tradename of Guardian Digital, Inc. in the U.S. and/or other countries. All other trademarks contained herein are the property of their respective owners. . Midland Park, N.J., March 20, 2019 - Guardian Digital, Inc., the premier open-source Internet securi. email, cloud-based, security, solution, utilizes, source, methodology, securing, business. . Brittany Day
Mar 21, 2019
•
102
security solutionemail securityemail protectionGuardian Digital Launches Secure Mail Suite 3.0: Enhanced Email Protection
Guardian Digital, the premier open source security company, announced the availability of the next generation Secure Mail Suite, the industry's most secure open source corporate email system. This latest edition has been optimized to support the changing needs of enterprise and small business customers while continually providing protection from the latest in email security threats.. ALLENDALE, NJ-June 9, 2004 - Guardian Digital, the premier open source security company, today announced the availability of the next generation Secure Mail Suite, the industry's most secure open source corporate email system. This latest edition has been optimized to support the changing needs of enterprise and small business customers while continually providing protection from the latest in email security threats. "With technology changing so rapidly and email threats evolving daily, the requirements of corporate email users are forever changing. As a result, we developed this latest version of Secure Mail Suite to adapt to the changing needs of organizations in both security and functionality. Utilizing the best and most technologically advanced open source tools and recognized as best-in-class for combating email threats, Secure Mail Suite will truly help organizations of all sizes securely leverage the merits of today's most important communication medium," states Dave Wreski, CEO of Guardian Digital, Inc. Integrated into its adaptive open source design, Secure Mail Suite 3.0 effectively addresses common resource issues including unlawful resource usage due to the perpetual influx of unsolicited junk mail, malicious message content and inappropriate or non-work related emails. The cornerstone of Guardian Digital Secure Mail Suite is a robust, integrated anti-virus, anti-spam,and corporate policy enforcement system. Powered by Guardian Digital's innovative Content and Policy Enforcement (CAPE) Engine, Secure Mail Suite scans all incoming and outgoing transmissions to identify and filter out spam, viruses, malicious code and file attachments and offensive content, before having an opportunity to harm or disrupt the network. "The open source architecture that Secure Mail Suite delivers affords AT&T New Zealand the flexibility to provide enterprise messaging solutions for customers, and to implement scalable email services specifically for our market," writes Jeff Rapp, security analyst, AT&T New Zealand. "The comprehensive coverage of security and management features are increasingly attractive, and the latest version from Guardian Digital represents an even greater cost-effective solution." Keeping corporate inboxes secure and business-critical communications efficient, Secure Mail Suite is the only application in its class incorporating power-packed security applications and unsurpassed productivity features. The integrated features in Guardian Digital Secure Mail Suite 3.0 provides advanced spam protection with pinpoint accuracy, protection from email borne viruses, comprehensive web-based group collaboration, LDAP integration and much more. Secure Mail Suite 3.0 also includes: Simplified web-based management system to ease configuration and maintenance duties. Resilient architecture to continually adapt to threats changes and ensure networks remains secure and updated. Powerful spam protection including heuristics system, adaptive content analysis and whitelists and blacklists on user and system levels. Envelope and content analysis, preventing many attacks before entering the system. Resource limit management includesconfigurable attachment stripping, spam scanning based on file size, and adjustable time-outs on filtering operations. Protection for both inbound and outbound communications. Protection from malicious code, virus, Trojan horse and mail bomb attacks and denial-of-service threats. Policy design and enforcement to increase user productivity and defend against unsuitable or offensive content. Automatic debugging mechanism to expedite customer service and ensure the consistent integrity of the system. Comprehensive mailing list manager to efficiently and securely send emails to thousands of mailing list subscribers. As a compliment to the many core features, Secure Mail Suite 3.0 delivers advanced access controls and authentication mechanisms, comprehensive auditing and reporting features, as well as automatic updates through Guardian Digital Secure Network services for consistent protection from the perils of conducting business critical communications on the Internet. Secure Mail Suite is the perfect companion to Guardian Digital's flagship product EnGarde Secure Linux. EnGarde, the industry's most secure open source operating system, integrates bulletproof security features with ease of management, strong encryption standards, Web services, gateway firewall protection, intrusion detection and much more. Working in conjunction with Secure Mail Suite 3.0, EnGarde provides small and large organizations with the security and productivity applications necessary to keep their systems productive while virtually eliminating Internet and network threats. For more information on Secure Mail Suite and EnGarde Secure Linux, visit Guardian Digital on the Web at Guardian Digital Makes Email Safe For Business - Microsoft 365, Goo.... . Pricing & Availability Secure Mail Suite isnow available starting at $749. Content and Policy Enforcement Engine options are available for spam and virus licensing. All options include a free year subscription to the Guardian Digital Secure Network as the primary means to obtain system and security updates as well as regular intrusion and prevention engine updates. Comprehensive annual support subscriptions are also available. About Guardian Digital, Inc. Guardian Digital, the premier open source security company, offers the first secure, open source Internet infrastructure system. Based on Guardian Digital's operating system platform, EnGarde, the company provides enterprises with the software and services necessary for secure computing on the Internet. By leveraging the merits of the collaborative open source design model, coupled with the company's security and Internet expertise, Guardian Digital solutions maintain the highest degree of security and reliability. Founded in 1999, Guardian Digital is headquartered in Allendale, New Jersey. For additional information, please visit Guardian Digital Makes Email Safe For Business - Microsoft 365, Goo.... or call 1-866-GD-LINUX . Contact: Alison Parker Guardian Digital, Inc. Corporate Communications 201-934-9230
Jun 09, 2004
•
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Community Poll
What got you started with Linux?
Search Topics
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!
Discover faster search, smarter navigation, and deeper Linux security insights. Read More