Recent Data Breach Examples

This report surveys major 2023–2024 security incidents — notably the MOVEit zero-day exploited by Cl0p with large-scale data exposure, the Change Healthcare disruption, a 130,000‑device Microsoft 365 password‑spraying botnet, UNC5537 credential-driven Snowflake compromises, and Operation 99 targeting developers — to highlight accelerating third‑party/supply‑chain risk, credential theft and reuse, and the need for extended vendor monitoring, MFA adoption, and faster detection and remediation.