Network Security
system security Linux network
system security Linux network The romanticized image of the digital nomad – a laptop on a sun-drenched balcony – rarely accounts for the actual friction of maintaining a professional development environment on the move. . The friction is amplified with Linux. We are looking for a setup that respects our kernel configurations, handles volatile network handovers, and maintains a strict security posture without the hand-holding of a consumer-grade OS – so, put simply, more than just a laptop and a sunny deck. The hardware is...
May 26, 2026
Server Securityopen-source Linux administration
open-source Linux administration Cron has existed in Unix and Linux environments for decades, handling backups, cleanup scripts, patching jobs, log rotation, monitoring tasks, and other maintenance work that administrators do not want to run manually. Most Linux servers rely on it constantly, which is exactly why attackers continue abusing it for persistence after a system has already been compromised. . Persistence through cron is not complicated. Attackers do not need a rootkit or advanced malware framework to maintain...
May 25, 2026
Vendors/Productssecurity breach linux
security breach linux A major internal repository breach at GitHub has exposed a critical and overlooked blind spot in Linux supply chain security. Kernel exploits, exposed SSH services, weak firewall rules, and vulnerable daemons dominated the Linux threat model for years, and in many environments, they still matter. But recent supply-chain incidents involving GitHub ecosystems, npm packages, and malicious developer tooling point somewhere else entirely: the developer workstation. . The breach matters because...
May 21, 2026
Security Trends access control multi-tenant
access control multi-tenant Linux administrators often face an ugly choice in the cloud: prioritize convenience and cost-efficiency by sharing infrastructure, or sacrifice those benefits for the sake of total isolation. Most modern Linux workloads don't live on their own private servers anymore. They live in shared environments like Kubernetes clusters, where multiple teams and services run side-by-side. It sounds efficient, and it usually is. . But cloud isolation isn't as ironclad as it looks on the diagram. If you...
May 21, 2026
Vendors/Productsincident response cloud security
incident response cloud security Managed Extended Detection and Response (MXDR) has become one of the most sought-after security services in the enterprise market — and with good reason. It promises the holy grail: broad visibility across endpoints, network, cloud, email, and identity, combined with the 24/7 human expertise most organizations simply cannot build in-house. . However, the rapid growth of the market has produced a wide range of providers whose capabilities vary considerably beneath the surface. Choosing the...
May 19, 2026
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We found 11 articles for you...
67
encryptionencryption methodsdocumentationExploring Crypto API and Encryption Techniques Within the Linux Kernel
To handle cryptography, the Linux kernel has its own API enabling common methods of encryption, decryption and your favourite hash functions! Learn about the use of hash functions and symmetric key encryption in the Linux kernel in the Linux Kernel Module Programming Guide. . At the dawn of the internet, everybody trusted everybody completely…but that did not work out so well. When this guide was originally written, it was a more innocent era in which almost nobody actually gave a damn about crypto - least of all kernel developers. That is certainly no longer the case now. To handle crypto stuff, the kernel has its own API enabling common methods of encryption, decryption and your favourite hash functions. . Explore the comprehensive API for Linux kernel cryptography, analyzing diverse encryption methods, hashing algorithms, and their real-world uses in this thorough guide. Linux Kernel Crypto,Cryptography API,Encryption Methods,Hash Functions,Documentation. . LinuxSecurity.com Team
Aug 16, 2021
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Cryptography
67
data protectioncryptographyencryption methodsUnderstanding How Post-Quantum Cryptography Protects Future Data
Are you familiar with post-quantum cryptography? The race is on to create new ways to protect data and communications from the threat posed by super-powerful quantum computers. Get the details in this article. . Few of us give much thought to the tiny padlock symbol that appears in our web browsers every time we use an e-commerce site, send and receive emails, or check our bank or credit card accounts. But it’s a signal that the online services are using HTTPS, a web protocol that encrypts the data we send across the internet and the responses we receive. This and other forms of encryption protect all kinds of electronic communications, as well as things like passwords, digital signatures, and health records. Quantum computers could undermine these cryptographic defenses. The machines aren’t powerful enough to do this today, but they are evolving fast. It’s possible that in a little more than a decade—and perhaps even sooner—these machines could be a threat to widely used cryptography methods. That’s why researchers and security firms are racing to develop new approaches to cryptography that will be able to withstand future quantum attacks mounted by hackers. The link for this article located at MIT Technology Review is no longer available. . As quantum computing rises, current cryptographic systems face threats, driving the need for post-quantum cryptography (PQC) to secure sensitive data and transactions. Post-Quantum Cryptography, Quantum Threats, Data Protection. . LinuxSecurity.com Team
Jul 15, 2019
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Cryptography
67
data protectionemail securityencryption methodsEmail Encryption Solutions For Enhanced Digital Communication
Encrypted email has long been a complicated problem to solve, but a combination of Internet titans and innovative startups are working to make it practical for real people.. We send and receive a lot of email. Much of it is fairly benign: newsletter subscriptions, The link for this article located at CSO Online is no longer available. . We send and receive a lot of email. Much of it is fairly benign: newsletter subscriptions, The link . encrypted, email, complicated, problem, solve, combination, internet, titans. . LinuxSecurity.com Team
Jun 09, 2015
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Cryptography
67
data securitydisk encryptionencryption methodsAdvanced TrueCrypt Configurations for Secure Data Encryption
In the first installment of this two-part tutorial series, we learned some of the basics of configuring TrueCrypt, a free open source disk encryption tool, similar to the BitLocker feature in the Enterprise and Ultimate editions of Windows. After outlining the three different encryption methods, we configured the easiest method--file container.. In this second and final part, we The link for this article located at eSecurity Planet is no longer available. . Delve into sophisticated configurations for VeraCrypt disk encryption to safeguard your information through this detailed manual.. TrueCrypt, Disk Encryption, Security Configurations, Advanced Techniques. . LinuxSecurity.com Team
Mar 05, 2010
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Cryptography
67
data protectioncybersecurity techniquesphp encryptionData Protection With PHP: Techniques And Practical Examples
In this increasingly virtual online world, you have to be careful to protect your data. Learn the basics of encoding and encrypting important bits of information, such as passwords, credit card numbers, and even entire messages. Get an overview of what it means to encrypt and decrypt information, as well as some practical examples involving passwords and other data, using PHP's built-in functionality. . Consider how today's world differs from the world of just 20 years ago. Long ago, in the 1980s, encryption was spy stuff -- something you read about in a techno-thriller by Tom Clancy. If somebody wanted to keep a bit of information private, he encrypted the data with a password, a pass phrase, or another basic method. The link for this article located at IBM is no longer available. . Dive into fundamental encryption principles and discover how PHP can safeguard your information right now. Master the art of securely encrypting both passwords and communications effortlessly.. php encryption,data protection,secure passwords,cybersecurity techniques. . LinuxSecurity.com Team
Jul 25, 2006
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Cryptography
67
data protectionsecurity strategiesdata encryptionEssential Strategies For Ensuring Data Encryption Security
There are various types and methods of data encryption. Some of the most popular forms of data encryption include single file encryption, folder encryption, volume encryption, whole disk encryption, and of course email encryption. The Windows XP operating system has the ability to perform file and folder encryption. . The link for this article located at IT Observer - Mark is no longer available. . The link for this article located at IT Observer - Mark is no longer available. . there, various, types, methods, encryption, popular, forms, encry. . LinuxSecurity.com Team
May 25, 2006
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Cryptography
67
remote accessfile transfersecure connectionsSSH Authentication Overview: Differences Between SSH1 and SSH2
SSH is one of the premier Security tools in use today. SSH is most commonly used to gain a remote shell, but it can be used for file transfers, to display remote X applications on a local machine, and even to securely connect to services that lack encryption. Unfortunately, many who use it from day to day don't have a good understanding of how it actually works. Many people know that SSH1 is deprecated, and that SSH2 has taken its place, but how many know how authentication actually works for both? I didn't, and that bothered me, so I set out to do some research. . . .. SSH is one of the premier Security tools in use today. SSH is most commonly used to gain a remote shell, but it can be used for file transfers, to display remote X applications on a local machine, and even to securely connect to services that lack encryption. Unfortunately, many who use it from day to day don't have a good understanding of how it actually works. Many people know that SSH1 is deprecated, and that SSH2 has taken its place, but how many know how authentication actually works for both? I didn't, and that bothered me, so I set out to do some research. This is by no means a "serious" paper - let's be clear about that. A true "paper" (in the Infosec world) brings forward a ground-breaking idea and explains it in technical detail. This paper, on the other hand, is designed to convey, using efficient language, information that is already understood by a relatively small number of people (in this case cryptographers). In short, I am attempting to pass on *understanding* rather than information. My goal is to provide an overview (hence the name) of how SSH1 authentication differs from SSH2 authentication, followed by a brief foray into the use of RSA/DSA key pairs for user authentication. Ok, with that said, let's begin. First off, SSH has two main protocol versions - SSH1 and SSH2. SSH2 is the newer version and it is highly recommended that anyone running an SSH server only allow clients to use SSH2. This is accomplished by editing yoursshd_config file and removing the 1 from the "Protocols" line toward the top of the file. This will prohibit the daemon from "falling back" to SSH1 in the event that a client doesn't speak SSH2. The link for this article located at neworder.box.sk is no longer available. . SSH authentication is crucial for secure device communication over unsecured networks, using cryptographic keys to protect against unauthorized access.. SSH Security, Remote Access, Authentication Protocols, File Transfer, Encryption Methods. . LinuxSecurity.com Team
Aug 11, 2004
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Cryptography
74
data protectioninformation securitywireless securityUnderstanding Wireless Security Risks And Data Protection Strategies
Despite its many exciting possibilities for new business opportunities, cost-savings, and user freedom, wireless technology presents serious challenges to information security. Any form of wireless communications that is not properly encrypted can be intercepted with the right equipment--in some cases nothing . . . . Despite its many exciting possibilities for new business opportunities, cost-savings, and user freedom, wireless technology presents serious challenges to information security. Any form of wireless communications that is not properly encrypted can be intercepted with the right equipment--in some cases nothing more than a low-end notebook computer armed with a $100 wireless network card and specialized freeware packet sniffing and discovery software. Frequent reports of war driving (using just these interception tools while driving down the street) in major cities have identified numerous wireless access points via factory default security settings in insecure mode just waiting to be exploited by the use of default access passwords and simple attack methods. Consider too that employees desiring more flexibility in their office networking can easily go to the nearest office supply, electronics, and even major discount stores and purchase a powerful wireless access point and associated wireless network card for less than $200 to create an immediate, unsecured backdoor to the enterprise network. In addition, improperly secured WAP gateways can be used as an exploit focal point that can be leveraged to intercept wireless business transactions while they are temporarily in clear text during the gateway process of converting full-size Web applications to miniature-size applications for cell phones and PDA devices. The link for this article located at NetSecurity is no longer available. . The rise of wireless communication opens new avenues while introducing notable privacy concerns; discover strategies to mitigate these threats.. Wireless Security, Information Protection, Data Encryption, NetworkRisks. . Anthony Pell
Sep 16, 2003
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Network Security
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