Cyber Brief 26-10 - September 2026

This Cyber Brief compiles open-source reporting from September 2026 describing widespread active threats: large-scale data exfiltration and leak operations (e.g., Rhysida, ShinyHunters), active exploitation of critical vulnerabilities and zero-days across multiple vendors, spyware targeting dissidents, AI-related abuse (autonomous/rogue agents, LLM-jacking, model distillation), and coordinated nation-linked campaigns impacting government, telecoms, healthcare, and private sector organisations.