A security researcher has disclosed exploit code for a fourth zero-day vulnerability in Windows operating system in just as many months. The bug enables overwriting a target file with arbitrary data.

Antivirus vendors are warning of a rapidly spreading worm that is carrying a potentially destructive set of instructions. The Nyxem worm — also nicknamed the Kama Sutra worm — is programmed to ...

Microsoft did find two bugs worthy of urgent attention. CVE-2025-55234 allows relay attacks and escalation of privileges ...

Cisco has patched a remote file-overwrite vulnerability in a couple of its products that could allow an attacker to replace arbitrary files and cause target systems to become unstable. Cisco has ...

Update 2/4/25: A new report from Claroty states that they purchased the Contec CMS8000 device and, after analyzing its firmware, believe the behavior described by CISA and the FDA is actually an ...