russia

British and Norwegian forces tracked an Akula-class attack submarine and two GUGI deep-sea research vessels operating near critical undersea cable infrastructure north of the UK for over a month before the Russian fleet withdrew.

APT28 compromised 18,000 routers across 120 countries for credential theft while deploying PRISMEX malware against Ukraine and NATO logistics targets.

A joint FBI-CISA advisory says Russian-linked actors have compromised thousands of Signal and WhatsApp accounts belonging to government officials, military personnel, and journalists across multiple countries.

Russia's APT28 exploited CVE-2026-21509, a Microsoft Office OLE bypass, within 72 hours of disclosure to hit military targets across six NATO-adjacent countries with steganographic loaders and cloud-based C2.