How Interlock Ransomware Owned Enterprise Firewalls Before Anyone Knew January 26, 2026. A ransomware gang called Interlock starts exploiting a vulnerability in Cisco Secure Firewall Management Center. CVSS score: 10.0. The maximum. Unauthenticated. Remote. Root access. Cisco doesn't know yet. Their customers don't know yet. For 36 days, every Cisco FMC instance facing the internet is a door with no lock. What CVE-2026-20131 Actually Does Insecure deserialization of user-supp

Clop Ransomware Hits Hilton, Law Firms, Healthcare in January 25 Wave