2023 Infosys McCamish — 57,000 Bank of America users
Data compromised
Deferred compensation plan data
Technical writeup
Nov 2023. Ransomware on Infosys McCamish Systems (US subsidiary). Unauthorized access Nov 3; data on deferred compensation plans (Bank of America) compromised by Nov 24. 57k+ BoA users affected.
Root cause
Ransomware; unauthorized access to IMS systems.