The FASTCash malware tampers with messages between issuing and acquiring banking domains to turn rejected transactions into approved ones. The malware targets misconfigured implementations of the ISO 8583 financial messaging standard, which allow tampered messages to go undetected. The North Korean hacking group BeagleBoyz, a subset of government-backed group HiddenCobra, has employed the malware in numerous bank attacks worldwide since 2015.
Data breach at Yale New Haven Health impacts 5.6M people
A data breach at Yale New Haven Health has exposed personal information of around 5.6 million people, marking the largest healthcare breach reported in 2025.
