2026 Cognizant — CoinbaseCartel claim (May 29)
Data compromised
Unspecified corporate data per actor marketing
Technical writeup
BreachHistory cataloged May 29, 2026 CoinbaseCartel marketing against Cognizant (cognizant.com). This row is separate from the March 2026 TriZetto Provider Solutions regulatory disclosure (3.4M+ individuals). No Cognizant parent-company notice matching the May listing was indexed at catalog time.
Root cause
CoinbaseCartel extortion claim