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Desktop Security
security advisory vulnerability
security advisory vulnerability GNOME is officially shortening its standard vulnerability disclosure window from 90 days to 30 days, a change that impacts upstream maintainers, downstream Linux distributions, and system administrators in how they handle software vulnerabilities. The policy shift, announced by long-time security coordinator Michael Catanzaro , addresses modern software patching realities and a growing influx of automated submissions. . Because GNOME is the default desktop environment on several major Linux...
Jul 21, 2026
Security Vulnerabilities security advisory moderate
security advisory moderate For organizations that run a self-hosted Git platform, it’s no longer just about hosting static code repositories. Today, Git servers are responsible for deployment pipelines, API tokens, SSH keys, package repositories, and the automation scripts that push code directly. Confirm that the upgrade addresses known vulnerabilities but also provides production environments. . That makes them trusted systems within the development environment and attractive targets for attackers looking to move...
Jul 20, 2026
Server Securitydata privacy automation
data privacy automation Every system admin has lived through the same Monday morning ritual. A queue of forty tickets, half of them password resets, permission errors, or disk space warnings that any experienced technician could resolve in under two minutes. The other half require actual judgment. For years, automation promised that software would eventually sort the two apart on its own. That promise is now being tested in production Linux environments. . Early results are reshaping how IT teams think about tier-1...
Jul 17, 2026
Privacydata collection automation
data collection automation You're running a web scraping project to collect pricing data from e-commerce sites. You set up a pool of datacenter proxies, launch your scripts, and within minutes — banned . CAPTCHAs everywhere. Your data pipeline stops before it really begins. . It's a frustrating scenario that plays out daily in ad verification, market research, and multi-account management. The website doesn't know you're doing legitimate research or monitoring. It just sees traffic coming from IP ranges it recognizes as...
Jul 17, 2026
Security Trends security advisory social engineering
security advisory social engineering Business Email Compromise used to be a numbers game — mass-blasted emails, broken English, an obvious "URGENT WIRE TRANSFER" subject line. That era is over. Generative AI has turned BEC into a tailored, low-noise operation that mimics writing style, voice, and even video presence. This piece looks at what's actually changed under the hood, what defenders are testing in response, and why so many organizations are still structurally unprepared for it. . The Infrastructure Problem Nobody Wants to...
Jul 17, 2026
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security threatslinuxai securityBlackHat USA 2024 Insights: AI, Microsoft Risks, and Core Dump Strategies
BlackHat USA , an annual cybersecurity conference with global attendance since 1997, is an essential forum for sharing cutting-edge security research, trends, and networking among IT and cybersecurity professionals. From its humble origins in Las Vegas in 1997 until today, this international event draws attendees from all around the globe. Security vulnerabilities are exposed, defensive strategies are articulated, and an overall pulse is taken on the digital security industry. . The 2024 BlackHat USA Conference once again provided vital topics and discussions. Focusing heavily on high-impact areas affecting Linux administrators and infosec professionals, findings presented at this year's event shed light on emerging threats and innovative countermeasures. Let's examine some of the highlights and key takeaways from BlackHat 2024 that directly impact our daily lives as Linux admins. Key Takeaways for Linux & InfoSec Circles From all the talks and shared research findings presented at BlackHat 2024, several key takeaways stood out for Linux administrators and infosec professionals: AI and Security At Black Hat USA 2024, Artificial Intelligence (AI) was a central theme, reflecting its growing significance within cybersecurity. Experts at the event discussed AI as an asset to boost security measures and an incursion into new risk categories. NVIDIA's AI Red Team recently identified sophisticated threats to large language models (LLMs), including indirect prompt injections and vulnerable plugins, that require strong application security measures to address. This highlights the significance of investing in robust application security as an essential means to mitigate such risks. On the positive side, experts saw GenAI and LLMs as transformative tools capable of synthesizing vast amounts of technical data and threat intelligence into more accessible formats for human analysis. Concerns were expressed over distinguishing practical AI applications from gimmicks. Skepticism regarding somecompanies' claims of AI innovation was voiced, as was caution regarding integration without fully comprehending its capabilities and implications in product environments. The conference revealed a dire outlook on the dark side of AI in cybersecurity, where AI-driven attacks aren't just possible - they're rapidly becoming a reality. According to HiddenLayer's AI Threat Landscape report, as businesses become more dependent upon Artificial Intelligence systems, threat actors have developed methods of exploiting it through data poisoning, model theft, and model evasion attacks, with more hostile exploits likely as enterprise adoption increases. It is, therefore, imperative for companies to remain agile and update their security strategies to combat AI-targeted threats effectively. Microsoft Outages and Patches Black Hat USA 2024 showcased critical discussions surrounding Microsoft vulnerabilities and security patches, revealing growing anxiety among cybersecurity professionals regarding Microsoft's software ecosystem. At this event, held against a backdrop of global geopolitical unrest and increasing reliance on Artificial Intelligence (AI), two global outages from Microsoft/CrowdStrike services were brought to light: Azure outages and those for Microsoft/CrowdStrike products. These incidents underscored the potential security ramifications of vulnerabilities within Microsoft's framework, drawing attention to its response approach. Particularly noteworthy was th e discovery of an advanced attack technique at this conference where threat actors could use zero-day vulnerabilities to perform downgrade attacks on fully updated Windows systems. Attackers could leverage this technique to reintroduce vulnerabilities patched using standard security tools, expose critical OS components, and exploit outdated DLLs and the NT Kernel without detection by standard tools. Black Hat 2024 also focused on Microsoft's response to these challenges, unveiling advisories on two unpatched zero-days, CVE-2024-38202 and CVE-2024-21302 , and offering mitigation advice pending more definitive patches. This move formed part of a broader critique against Microsoft's security posture, including ongoing concerns that the company tends to patch vulnerabilities identified by friendly researchers rather than actively redesigning programs to prevent new attacks. Critiques have arisen amid discussions of Microsoft's security responsibilities amid numerous vulnerabilities involving high-profile systems and data. Microsoft has pledged to tie security performance reviews directly with salary reviews to address vulnerabilities in its security framework in response to an ever-evolving threat landscape. Crash Reports and Core Dumps One of the more surprising but critical revelations at BlackHat USA 2024 was that log files, crash reports, and core dumps provide attackers with tools for creating denial-of-service attacks or more sophisticated system exploits. Likewise, security researchers use crash reports to detect malware payloads that often go unidentified by signature detection. Core dumps are files produced when programs crash and contain an exact snapshot of their state - often including sensitive information like passwords or encryption keys—making these reports a wake-up call to both Linux admins and developers to treat them with increased care. Detailed Insights from the Crash Report Analysis BlackHat presenters shed new light on the unintentional role of crash reports and core dumps in aiding attackers, forcing security professionals to recognize a need for a two-pronged approach: safeguarding them while using them to enhance security measures proactively. Attackers See Core Dumps As A Gold Mine Core dumps and error logs offer malicious entities an invaluable roadmap into a program's fault lines, providing an insight into its inner workings - how memory, user credentials, or transactions are managed or processed by it - providing data that could aid exploit development or identify weak points within an activesystem. Proactive Measures With Core Dumps However, from a defensive standpoint, these resources can prove invaluable. By carefully examining core dumps, security professionals and Linux system administrators can preemptively detect vulnerabilities within their systems' codebases - often by employing tools like GNU Debugger (GDB) , which enables examination of core dump contents to determine what caused a crash and identify root cause analysis solutions. Linux systems, being open-source platforms, offer numerous configuration options for managing core dumps. System administrators can configure whether and how often core dumps should be generated and their size and handling policies via kernel parameters like /proc/sys/kernel/core_pattern or user configuration options such as the ulimit command. Furthermore, Linux's robust logging systems can be easily customized depending on their environment's sensitivity or security needs. Configuring core dump handling on Linux goes beyond diagnostics. The task involves setting resource limits using ulimit , specifying core file size using core_file_size , and configuring kernel.core_uses_pid accordingly. For instance, one might store core dumps securely yet centrally so they are accessible for analysis by authorized personnel without being vulnerable to potential intruders. Furthermore, advanced platforms like Red Hat's OpenShift contain mechanisms for collecting core dumps within containers. This feature can be particularly helpful in diagnosing issues in microservice architecture where traditional core dump analysis methods might not apply directly. Why Are Future Proofing & Security Hygiene of Utmost Importance? BlackHat USA 2024 revealed that as systems become more complex, risks increase. Linux administrators and information security professionals must regularly reevaluate their security postures, incorporating lessons from events like core dump analysis. As core dumps can be dangerous tools, it is critical to implement stringent access controls , encrypt sensitive data at rest, and continuously monitor for unusual behaviors that might signal the need for deeper investigation of system stability and security. Linux community members should take advantage of the robust and granular control available to enhance system security reactively (post-incident analysis) and proactively by including core dump analysis as part of regular security practices. Our Final Thoughts on BlackHat USA 2024 BlackHat USA 2024 lived up to its longstanding legacy by providing valuable knowledge and trends resonating with Linux administrators and the larger infosec community. Its emphasis on emerging technological applications and ongoing efforts against vulnerabilities showcased cybersecurity's dynamic, ever-evolving nature. With these insights gained at BlackHat 2024, Linux professionals are better prepared than ever to navigate this ever-evolving security landscape, maintaining the integrity and trustworthiness of systems under their purview. . The 2024 BlackHat USA Conference provided insights on AI security, Microsoft risks, and core dump dangers for Linux professionals.. blackhat, annual, cybersecurity, conference, global, attendance, since, essential. . Brittany Day
Aug 12, 2024
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Organizations/Events
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security enhancementnetwork managementnetwork configurationNetplan 1.0 Release Overview: Enhanced Security and Configuration Benefits
Canonical , the company behind Ubuntu , has introduced Netplan 1.0 , a network configuration tool that simplifies networking configuration on Linux systems. Netplan acts as a control layer above network stacks like systemd-networkd and NetworkManager, allowing administrators to manage and configure them easily. . What's New in Netplan 1.0? What Are the Network Security Implications of This Release? The release of Netplan 1.0 brings new features, such as support for WPA2 and WPA3 security protocols, improved wireless functionality, and better support for various network interface types. It also includes maintenance enhancements, such as a new buildsystem and automatic memory leak detection. Netplan has been made the default network management tool in upcoming releases of Ubuntu and Debian. Netplan 1.0 is an important development for Linux admins, infosec professionals, and sysadmins, as it dramatically simplifies the network configuration process on Linux systems. Introducing a control layer like Netplan allows for a streamlined user experience across different flavors of Ubuntu, making it easier to manage and configure network stacks. This is particularly valuable for organizations that need to configure Linux systems at scale. Including support for WPA2 and WPA3 security protocols in Netplan 1.0 is a significant security enhancement. As security practitioners, Linux admins and infosec professionals must ensure that network configurations are secure. By supporting these latest security protocols, Netplan enables better protection for wireless networks, which is especially important considering the increasing prevalence of Wi-Fi attacks and vulnerabilities. Furthermore, the improvements in maintenance, such as the adoption of Meson for the buildsystem and the implementation of automatic memory leak detection, highlight Canonical's commitment to quality and reliability. These enhancements contribute to a more stable and robust network configuration tool, reducing the chances of downtime andnetwork vulnerabilities. Looking ahead, adopting Netplan as the default network management tool in Ubuntu and Debian releases has long-term implications. It signifies Canonical's confidence in the tool's capabilities and potential impact on the Linux community. Sysadmins and Linux security practitioners need to consider the consequences of this shift, including the need for training and familiarization with Netplan's features and functionalities. As with any new technology, questions arise. How well does Netplan integrate with existing network management tools and configurations? Are there any compatibility issues when migrating from previous network management tools to Netplan? How will the community respond to Netplan's introduction as the default tool? These important questions must be addressed and explored in further discussions and testing within the Linux community. Our Final Thoughts on the Netplan 1.0 Release Netplan 1.0 significantly improves network configuration on Linux systems, simplifying the process for Linux admins, infosec professionals, and sysadmins. Including WPA2 and WPA3 support enhances network security, while the improvements in maintenance contribute to a more reliable tool. However, the transition to Netplan as the default network management tool raises questions and requires careful consideration by the Linux community. Moving forward, it will be essential for security practitioners to stay updated with Netplan's developments , understand its implications, and assess its suitability for their network configurations. . Explore Netplan 1.0's modern YAML template system for Linux network configuration, promoting clarity, security, and streamlined management of network setups. Netplan, Ubuntu Network Tool, Network Configuration, WPA3 Support, Linux Security. . Brittany Day
Apr 09, 2024
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Network Security
78
security advisorysecurity risksLinux distributionZorin OS 17.1 Analysis: App Compatibility Insights and Security Risks
Zorin OS 17.1 , the latest release of the Linux distribution, aims to streamline the process of running Windows applications on a Linux system. By combining the Wine compatibility layer with the Bottles application , Zorin OS offers a user-friendly solution for Linux admins, infosec professionals, and sysadmins looking to harness the benefits of Linux while still enjoying their essential Windows apps. . This article critically analyzes the implications of this development, highlighting its potential long-term consequences for security practitioners. What Is the Significance of the Zorin OS 17.1 Release? A critical advantage that Zorin OS 17.1 offers is its ease of use for installing and running Windows apps on Linux. It has gained a reputation for being the most straightforward Linux distro for installing and using Windows apps. The distro includes multiple desktop layouts and plenty of pre-installed apps so you can be productive immediately. These benefits resonate with users who have struggled with complex compatibility layers and command-line tools to run Windows software on Linux distributions. The integration of Wine and Bottles is a significant development that simplifies running Windows apps on Linux. Bottles, by employing environments that encapsulate settings, libraries, and dependencies, streamline the installation and management of Windows applications. What Are the Security Implications of This Release? From a security standpoint, this release raises important questions about the implications of running Windows apps on Linux. While running Windows apps on Linux can provide security and reliability advantages over the Windows platform, it also raises concerns about the potential vulnerabilities introduced by compatibility layers like Wine. As security practitioners, it is crucial to consider the long-term consequences of using such tools and assess whether they compromise the overall security posture of the system. Furthermore, Zorin OS 17.1's expanded database fordetecting installer files for popular Windows apps must be considered. While this may facilitate the availability of alternative Linux applications, it also raises concerns about potential malicious actors manipulating these databases to distribute compromised or malware-infected applications. As security professionals, it is essential to consider the trustworthiness and security of these curated app repositories to mitigate potential threats. Our Final Thoughts on Zorin OS 17.1 Zorin OS 17.1 presents an intriguing solution for Linux users who rely on Windows applications. Its seamless integration of Wine and Bottles simplifies the installation process and enhances user productivity. However, security practitioners must critically assess the implications and long-term consequences of using compatibility layers like Wine. The potential risks associated with running Windows apps on Linux must be carefully considered to maintain the security and integrity of the system. Nonetheless, Zorin OS 17.1's efforts to bridge the gap between Windows and Linux signify a significant step in making Linux more user-friendly and accessible to a broader range of users. You can download Zorin OS 17.1 here if you'd like to give it a try! . Zorin OS 17.1 enhances the integration of Windows applications within the Linux environment while presenting significant security challenges for its user base.. Zorin OS, Windows Apps, Compatibility Layers, Infosec. . Brittany Day
Mar 18, 2024
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Vendors/Products
209
securityopen sourcecommunity supportExploring Linux Benefits For Security Professionals And Sysadmins
As an increasing number of users and businesses worldwide make the switch to Linux, there are clearly some compelling arguments for using Linux instead of the Windows operating system. Reasons to consider making the switch to Linux include stability and security, customization and flexibility, open-source nature, cost-effectiveness, and community support. . By exploring these points, we aim to provide insights for Linux admins, infosec professionals, internet security enthusiasts, and sysadmins on the long-term implications of adopting Linux as a primary operating system. Why Should I Choose Linux Over Windows? One of the standout features of Linux is its stability and security . The open-source nature of Linux allows for continuous scrutiny by a large community of developers. This collaborative effort results in the rapid identification and resolution of security vulnerabilities. This aspect raises a crucial question for security practitioners: Does the transparency of the open-source model truly lead to more secure systems, or does it increase the likelihood of vulnerabilities being exploited? In the context of recent cyber threats, such as supply chain attacks , there is a need to delve deeper into the potential risks associated with open-source software. The customization and flexibility offered by Linux distributions is another critical factor to consider. The myriad of options available allows users to tailor their operating system to meet their specific needs. This brings up the question of whether the plethora of choices could potentially lead to fragmentation within the Linux community. While the diversity of Linux distributions is often seen as a strength, it can also pose challenges regarding compatibility, support, and software availability. As security practitioners, it is essential to consider the long-term consequences of this customization aspect, ensuring that systems remain stable and secure despite the variations among different Linux distributions. Linux distributionsare highly cost-effective, as they are usually free of charge. However, it is crucial to address the implications of choosing a free and open-source alternative like Linux over a proprietary system like Windows. While the upfront cost savings are evident, it is essential to assess the long-term costs of maintenance, support, and training for Linux distributions. Furthermore, the potential impact on software licensing agreements should not be overlooked when considering migrating from Windows to Linux. Security practitioners must weigh the financial advantages against the potential challenges and costs associated with transitioning to and maintaining a Linux environment. Additionally, the community support and documentation provided in the Linux ecosystem are worth highlighting. The extensive resources available through forums, documentation, and online communities ensure that users can find solutions to any issues they encounter. Our Final Thoughts on the Benefits of Using Linux In conclusion, there are many compelling arguments for considering Linux as an alternative to the Windows operating system. However, it is crucial for Linux admins, infosec professionals, internet security enthusiasts, and sysadmins to analyze the implications of such a transition critically. Security practitioners must evaluate the trade-offs involved with Linux's open-source nature, customization options, cost-effectiveness, and community support. By maintaining a balanced approach, security practitioners can make informed decisions about adopting Linux, ensuring the long-term stability, security, and success of their systems. . By exploring these points, we aim to provide insights for Linux admins, infosec professionals, inter. increasing, number, users, businesses, worldwide, switch, linux, there, clearl. . Brittany Day
Feb 10, 2024
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Security Trends
78
Ubuntusecurity featurescommunity supportLinux Mint vs Ubuntu: Security Features Comparison for Admins
Linux Mint and Ubuntu are two popular Linux distributions that have gained a reputation for prioritizing system safety. It is crucial for Linux administrators, infosec professionals, and internet security enthusiasts to understand the security measures implemented by these distributions. Let's examine the security features and enhancements available to Ubuntu and Linux Mint users to help you determine if one of these distros could be a good fit for your priorities and requirements. . How Do Linux Mint & Ubuntu Security Measures Compare? Both Ubuntu and Linux Mint aim to provide a reliable and secure computing environment. Linux Mint, known for its intuitive design, employs a multi-layered kernel security technique, along with a vigilant Update Manager ensuring software packages are up to date. Additionally, Linux Mint offers a well-balanced firewall that enables users to adjust rules and maintain security while providing a smooth experience. Ubuntu, on the other hand, utilizes AppArmor to restrict programs and minimize security breaches. This access control architecture strengthens security by lowering the attack surface and mitigating vulnerabilities . Ubuntu also implements Secure Boot, which ensures that only authorized bootloaders and kernels are launched during the starting procedure. This feature significantly reduces the risk of boot-time attacks, enhancing system security. The update policies of Linux Mint and Ubuntu are a key differentiator between the two. Linux Mint provides fewer updates, offering a solid foundation and a careful approach, which may appeal to users seeking a stable environment. However, this approach may not always include the latest security updates. On the contrary, Ubuntu prioritizes frequent system updates to ensure users promptly receive the latest patches. Linux courses can guide enthusiasts in selecting the approach that aligns with their security philosophy. Both Linux Mint and Ubuntu benefit from active and watchful communities, which contribute toregular security audits and bug fixes. This community-based strategy enhances the overall security posture of these distributions, establishing trust and reassuring users of a safe computing experience. An important consideration is the balance between security and usability. Linux Mint's focus on providing a smooth, out-of-the-box experience might be beneficial for beginners or users who prefer simplicity. However, this could potentially result in a trade-off with system security. Balancing user convenience with robust security measures is an ongoing challenge for both Linux Mint and Ubuntu. Final Thoughts on Ubuntu vs. Linux Mint Security Security practitioners, Linux admins, infosec professionals, and internet security enthusiasts can rely on Linux Mint and Ubuntu's commitment to system safety. However, it is essential to critically evaluate the security features and understand the implications they have in real-world scenarios. Ongoing investigation and collaboration within the Linux community are necessary to keep pace with evolving threats. Striking the right balance between usability and security remains an ongoing challenge for both distributions. By staying informed and actively participating in the Linux ecosystem, security practitioners can make sound decisions to ensure a dependable and safe computing experience. . Fedora and OpenSUSE both aim to provide cutting-edge Linux experiences but stand apart in package management and release frequency strategies.. Linux Mint Security, Ubuntu Protection, System Safety Measures, Infosec Insights, Community Contributions. . LinuxSecurity.com Team
Jan 22, 2024
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Vendors/Products
76
Black HatDEF CONcybersecurity eventMust-See Talks at Black Hat and DEF CON 2019 for Infosec Enthusiasts
Infosec is political. It's about power — who has it, who doesn't, and how it will be used. Some geeks like to pretend otherwise, but that will be harder this year during hacker summer camp in Las Vegas, as politicians and policymakers join hackers to merge tech and policy in some much-anticipated talks. . Here are our top seven talks to watch out for this year in Las Vegas. . Explore the seven most eagerly awaited presentations at Black Hat and DEF CON 2019 taking place in Las Vegas. Be sure to catch them!. Cybersecurity Events, Black Hat Talks, Tech Policy, DEF CON Highlights, Infosec Discussions. . Brittany Day
Aug 02, 2019
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Organizations/Events
82
cybersecuritygovernmentsecurity impactGovernment's Role in Cybersecurity: Insights from Black Hat Conference
At the DarkReading News Desk, live from Black Hat, industry experts Dan Kaminsky, Richard Bejtlich, Katie Moussouris, Paul Kurtz, and Rod Beckstrom talked about how government is hurting and could be helping infosec. . Last week we debuted the Dark Reading Video News Desk, streaming live from Black Hat, featuring over 30 interviews with speakers, trainers, and sponsors from the conference. Over the coming weeks, all the individual interviews will be posted here on Dark Reading. . Last week we debuted the Dark Reading Video News Desk, streaming live from Black Hat, featuring over. darkreading, black, industry, experts, kaminsky, richard, bejtlich. . Pooja Shah
Aug 17, 2015
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Government
74
infosecawarenessFUDComprehending the Impact of FUD on Cybersecurity Preparedness Today
There is a new breed of animal appearing in the infosec community, according to Dr. Jimmy Blake, chief security officer for Mimecast, a cloud-services company based in London, and host of the blog Cloud Computing and Bad Behavior. The new breed is what he calls the "attention monger" (he actually used a more colorful word, but we toned it down for this article.) The attention monger is courting headlines with the media that add no real value to information security.. Most infosec pros know the term FUD; it stands for Fear, Uncertainty and Doubt. But increasingly Blake thinks he sees FUD making headlines too often because opportunists are hoping to get their name out there. However, while drumming up concern over vulnerabilities in popular products does often garner media attention, it can be detrimental, too, he warns (See also: Good FUD vs. bad: Is there really a difference?). "The danger in raising FUD is that users get attrition. They get so used to a constant stream of things that they are told to watch out for and when the really big things actually occur, they aren't ready for it," he said. "If we are constantly bombarding users with this stuff, it gets lost in the noise and they aren't prepared for the real vulnerabilities." The link for this article located at CSO Online is no longer available. . Most infosec pros know the term FUD; it stands for Fear, Uncertainty and Doubt. But increasingly Bla. there, breed, animal, appearing, infosec, community, according, jimmy, blake. . Alex
Aug 30, 2010
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Network Security
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