Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Admit it: the first thing you think of when ransomware is ...

Researchers uncover SSHStalker, an IRC botnet exploiting legacy Linux flaws and SSH servers to build persistent covert access.

The recently discovered Shellshock - or Bash - vulnerability is being actively targeted by malware gangs, who appear to have already claimed more than 700 victims. See Also: Averting the Breach: 5 ...

A newly discovered botnet is compromising poorly-protected Linux servers by brute-forcing weak SSH password login authentication. Researchers at Canada-based Flare Systems, who discovered the botnet, ...

Researchers have discovered malicious code circulating in the wild that hijacks the earliest stage boot process of Linux devices by exploiting a year-old firmware vulnerability when it remains ...

CISA has warned U.S. federal agencies about attackers targeting a high-severity vulnerability in the Linux kernel's OverlayFS subsystem that allows them to gain root privileges. Multiple ...

During Pwn2Own hacking contest, participants were asked to compromise Microsoft Windows 11, Mozilla Firefox, VMware Workstation, NVIDIA Container Toolkit among other well-known systems. Security ...

Two new vulnerabilities have been discovered in widely deployed Linux components that could allow unprivileged users to gain root access across popular distributions. The first is a local privilege ...

Researchers have unearthed Linux malware that circulated in the wild for at least two years before being identified as a credential stealer that’s installed by the exploitation of recently patched ...

Cisco has released security updates to patch a ClamAV denial-of-service (DoS) vulnerability, which has proof-of-concept (PoC) exploit code. Tracked as CVE-2025-20128, the vulnerability is caused by a ...