Linux

NethSecurity is a free, open-source Linux firewall that simplifies network security deployment. It integrates various security features into one platform, including …

Fail2Ban is an open-source tool that monitors log files, such as /var/log/auth.log, and blocks IP addresses that exhibit repeated failed login attempts. It does this by …

ESET researchers released its deep-dive investigation into one of the most advanced server-side malware campaigns. It is still growing and has seen hundreds of thousands of …

BLint is a Binary Linter designed to evaluate your executables’ security properties and capabilities, utilizing LIEF for its operations. From version 2, BLint can also …

Nmap is a free, open-source tool for network discovery and security auditing. It’s valued by systems and network administrators for network inventory, managing service …

Pktstat is an open-source tool that is a straightforward alternative to ncurses-based Pktstat. On Linux, it utilizes AF_PACKET, while on other platforms, it employs generic …

As the analysis of the backdoor in XZ Utils continues, several security companies have provided tools and advice on how to detect its presence on Linux systems. What happened? …

UPDATE: April 9, 09:23 AM ET A new story has been published: XZ Utils backdoor: Detection tools, scripts, rules The news that XZ Utils, a compression utility present in most …

UPDATE: April 9, 09:23 AM ET Two stories have been published since this initial release: Which Linux distros are affected and what can you do? XZ Utils backdoor: Detection …

Lynis is a comprehensive open-source security auditing tool for UNIX-based systems, including Linux, macOS, and BSD. Hardening with Lynis Lynis conducts a thorough security …

A financially motivated threat actor is using known vulnerabilities to target public-facing services and deliver custom malware to unpatched Windows and Linux systems. Among …

The FritzFrog cryptomining botnet has new potential for growth: a recently analyzed variant of the bot is exploiting the Log4Shell (CVE-2021-44228) and PwnKit (CVE-2021-4034) …