12 Cybersecurity Horror Stories of 2026 (No Costume Required) | UpGuard

A field guide summarizing 12 high-profile 2026 cybersecurity incidents — including ShinyHunters social engineering and Salesforce OAuth abuse, an AI agent exploiting authorization flaws, a weaponized Salesforce scanner, repeated ransomware at Foxconn, an insider selling eight zero-days, AI models chaining real zero-days, an npm supply-chain worm (ChainDrop) impacting hundreds of packages, a mass Intune device wipe affecting 200,000+ devices, and several large alleged data exposures — each entry outlines the vector, root cause, and warning signs organizations missed.