The Good, the Bad and the Ugly in Cybersecurity - Week 40 (2026)

This intelligence brief reports several high-impact incidents: law enforcement sentenced ex-military cybercriminals and dismantled the KillSec ransomware syndicate; cryptocurrency exchange Bitget lost approximately $387.5M after attackers exploited a zero-day in third-party security appliances (attributed to DPRK-linked actors) to deploy web shells and fraudulent withdrawals; and the Pentagon’s DMDC suffered a data breach exposing PII for ~3 million individuals. The report describes vectors, scale, and remediation or law-enforcement actions taken.