10 Biggest Data Breaches in Finance | UpGuard

This report catalogs fourteen major financial‑sector incidents — from the 885M‑record First American leak and Equifax’s unpatched CVE compromise to MOVEit‑linked supply‑chain breaches and a $36M DeFi theft — summarizing how each occurred, the data exposed, and recommended mitigations (patching, PAM/MFA, cloud configuration, vendor risk management, employee training and monitoring). It is a high‑level lessons‑learned compilation intended to help financial organizations reduce similar exposures.