The Cyber Express Weekly Roundup: AI Fraud, Data Leaks, Malware Campaigns, and Critical Infrastructure Threats

This weekly roundup summarizes recent cyber incidents including AI-enabled Medicaid fraud, large customer data exposures at the Tribeca event and Origin Energy (hundreds of thousands of records), malicious Joyfill npm packages distributing the DEV#POPPER RAT that targets developer environments, a student-linked website breach case, and PLC-focused cyberattacks disrupting U.S. water utilities—illustrating trends in AI abuse, supply-chain malware, personal data exposure, and critical infrastructure targeting.