A buffer overflow happens when a program writes more data into a memory buffer than the buffer can hold. The extra bytes land in adjacent memory, corrupting whatever was there. If an attacker controls ...

Cato Networks tracked Poisson using OpenSSH and Tailscale to maintain access after Havoc C2 outage in a 33-day intrusion.

ESET researchers have discovered SprySOCKS for Windows, FishMonger’s backdoor weaponizing a kernel driver for advanced ...

I'd like to thank my co-author, Martin Zugec, for his valuable contributions to this report. This intrusion adds three dimensions to the public understanding of Chinese APT activity in contested ...

Tracked as CVE-2026-31431 with a CVSS score of 7.8, Copy Fail was uncovered and named by researchers at Xint.io and Theori. The flaw allows an unprivileged local user to write four controlled bytes ...

Cybersecurity researchers have disclosed details of a Linux local privilege escalation (LPE) flaw that could allow an unprivileged local user to obtain root. The high-severity vulnerability tracked as ...

The Cybersecurity and Infrastructure Security Agency has disclosed that a U.S. federal civilian agency was compromised by FIRESTARTER malware on a Cisco Firepower device, with the backdoor maintaining ...

The new kernel's number ends in zero, but it's not a milestone release. Linux 7.0 boasts improvements in Rust, its scheduler - and it's further embracing AI. More than half a dozen distros will let ...

Linux has long been known as the operating system of developers and power users, but today it’s far more accessible than ever before. Thanks to user-friendly distributions that prioritize simplicity, ...

PCWorld’s guide helps users navigate the overwhelming choice of approximately 250 Linux distributions by focusing on five main strains: Debian, Red Hat/Fedora, Arch, Slackware, and Gentoo.

While Windows is cool, some folks want to try out Linux to experience the best of both worlds. In the end, they end up dual-booting their PC, where they can have both Windows and Linux OSes existing ...

Abstract: Signal handling has been an integral part of UNIX systems since the earliest implementation in the 1970s. Nowadays, we find signals in all common flavors of UNIX systems, including BSD, ...