CISA warns of a new SmarterTools SmarterMail vulnerability exploited by ransomware groups for unauthenticated RCE.

ESET researchers have recently discovered a new Linux backdoor, named WolfsBane, that is being used by the China-aligned Gelsemium APT group. This is the first known instance of Gelsemium using Linux ...

Hackers resurrect 90s IRC tricks with SSHStalker, using old exploits to quietly compromise thousands of Linux servers ...

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

During the second day of Pwn2Own Berlin 2025, competitors earned $435,000 after exploiting zero-day bugs in multiple products, including Microsoft SharePoint, VMware ESXi, Oracle VirtualBox, Red Hat ...

Hackers are targeting developers by exploiting the critical vulnerability CVE-2025-11953 in the Metro server for React Native to deliver malicious payloads for Windows and Linux. On Windows, an ...

A Linux variant of the Helldown ransomware has been uncovered. Previously known for targeting Windows systems, the Helldown group now extends its reach to VMware ESX servers and Linux environments.

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 ...