What We Can Learn From Recent Ransomware Attacks

The report details the REvil ransomware supply‑chain attack against Kaseya VSA in July, where zero‑day vulnerabilities allowed an affiliate to compromise managed service providers and push ransomware to approximately 1,500 downstream businesses (with REvil claiming far higher impact). It outlines REvil's RaaS model and double‑extortion strategy, the disclosure and patch timeline, the severe implications of supplier‑supplier vulnerabilities, and recommended mitigations including secure off‑site backups, rapid vulnerability management, and adoption of Vulnerability Disclosure Programs.