For more than a year, a Russian-speaking threat actor targeted human resource (HR) departments with malware that delivers a new EDR killer named BlackSanta.

Cybercriminals have compromised hundreds of websites – including regional news outlets and the website of a US Senate candidate – in a global malware operation new research has uncovered.

The malware disables antivirus and EDR protections at the kernel level, clearing the path for credential harvesting, system reconnaissance, and eventual data exfiltration. An ongoing campaign, ...

Windows 11 March 2026 Patch Tuesday update adds Emoji 16.0, Sysmon, network speed test, reliability improvements, and security fixes.