LinuxSecurity.com

The release of Ubuntu 24.04 LTS , also known as Noble Numbat, brings various security enhancements and exciting new features . These improvements include unprivileged user namespace restrictions, binary hardening, AppArmor 4 , disabling old TLS versions, and upstream kernel security features.

Tails 6.2 is a new Linux distribution release that expands its multilingual support and improves security features. The distribution is a Debian-based operating system that enables users to remain incognito online and securely browse the web.

In Complete Guide to Keylogging in Linux: Part 1 , we discussed how to write keyloggers for Linux by reading keyboard device events. This article will continue to discuss keyboard event capture so you have more techniques to use for keylogger attacks in network security.

Fedora 40 , the newest version of the Fedora operating system, is an efficient and lightning-fast release with various new and useful features. Compared to its previous releases, Fedora 40 is lightning-fast and offers maximum efficiency to users.

Keylogger attacks in network security have become more popular over time. Therefore, businesses must implement procedures and tactics to prevent these network security issues from harming a server.

AlmaLinux 9.4 beta has been released and provides compelling reasons to consider it for desktop usage. While AlmaLinux is primarily known as a reliable server operating system, it can also function effectively as a desktop OS. Security, stability, and long-term support are key advantages of choosing AlmaLinux 9.4 beta as your desktop OS.

A significant security threat, known as the Spectre v2 exploit, has been observed targeting Linux systems running on modern Intel processors. Let's delve into the details of the Spectre v2 exploit, its implications, and the measures being taken to mitigate its impact.

Linux admins and security practitioners face significant challenges in keeping their Linux systems secure amidst the constant threat of kernel bugs. Understanding and mitigating the vulnerabilities in the Linux kernel is essential in safeguarding your systems against exploits leading to compromise. Let's examine why kernel vulnerabilities are such a severe threat and mitigation strategies for protecting against them.

Several significant vulnerabilities have been found in the Thunderbird email client and Firefox web browser. An attacker could exploit these issues to disrupt services, obtain sensitive data, bypass security restrictions, perform cross-site tracing, run rogue programs on your computer, or escalate privileges on impacted systems.

The recent release of I2P 2.5.0 , an anonymous P2P network that protects against online censorship, surveillance, and monitoring, has brought a slew of improvements and new features that will certainly intrigue security practitioners. This release aims to enhance user-facing features while addressing compatibility and security issues.

The alarming discovery of a backdoor in the xz data compression library , which had the potential to compromise Linux systems, has dominated recent security news. While the backdoor did not make its way into production Linux distributions, the incident raises crucial questions about open-source security and the need for vigilance in the face of emerging threats.

The Akira ransomware group has extorted approximately $42 million from over 250 victims since January 1, 2024. The group initially focused on Windows systems but later shifted its attention to Linux servers, mainly targeting VMware ESXi virtual machines. The ransomware leverages different methods for initial access to target networks, such as exploiting known flaws in Cisco appliances, spear phishing, and abusing VPN services lacking multi-factor authentication protections. It also utilizes various tools for setting up persistence, privilege escalation, and lateral movement within networks.

In the world of open-source software , security vulnerabilities can have widespread consequences. The recent publication of a Linux privilege-escalation proof-of-concept exploit has sent shockwaves through the Linux community, demanding the immediate attention of Linux admins, infosec professionals, internet security enthusiasts, and sysadmins.

At The Linux Foundation's Open Source Summit North America , Linus Torvalds, the creator of Linux, discussed various topics related to Linux development and the challenges the open-source community faces. Torvalds addressed hardware errors, malicious developers, and the hype surrounding Artificial Intelligence (AI).

The SPDX 3.0 release marks a significant milestone in software management, particularly for Linux admins, infosec professionals, internet security enthusiasts, and sysadmins. The SPDX community, in collaboration with the Linux Foundation , has evolved the widely used Software Bill of Materials (SBOM) communication format with a comprehensive set of updates, introducing new features and enhancements tailored to modern system use cases.

Open Source maintainers and developers have been warned about the continued wave of attacks aimed at project maintainers similar to those recently targeting the Linux xz data compression library, XZ Utils . Many believe the attempt to backdoor Linux's xz data compression library might not be an isolated incident. According to the OpenJS Foundation and Open Source Security Foundation (OpenSSF) , there has been a series of suspicious emails that appear targeted at a popular unnamed JavaScript project that the OpenJS Foundation hosts.

Security is vital for your Linux web apps, but keeping up with the latest exploits and meeting compliance standards can quickly become overwhelming.

A resurgence of cyberattacks targeting Linux systems in Asian campaigns through the utilization of the Pupy Remote Access Trojan (RAT) has been observed. The malware's multifunctional nature is a notable characteristic, striking a chord with Linux admins, infosec professionals, internet security enthusiasts, and sysadmins who are likely familiar with the potential threat of versatile malware.

Canonical has recently announced the Beta release of Ubuntu Linux 24.04 LTS , codenamed "Noble Numbat." This release aims to continue Ubuntu's legacy of incorporating cutting-edge open-source technologies into a user-friendly, high-quality distribution.

After recent heap overflow, out-of-bounds write, and privilege escalation flaws brought X.Org into the spotlight, more severe memory safety, use-after-free, heap buffer overread, and code execution vulnerabilities have been identified in the popular X server. These issues affect the X.Org X11 server.