Risky Bulletin Risky Bulletin

Risky Bulletin: Expired credit cards can be used for malicious transactions

Aug 24, 2026 · 5m

Summary

This episode covers a critical Visa NFC vulnerability allowing transactions with expired cards, alongside state-sponsored cyberattacks on UK power plants and South Korea’s presidential office. It details major data breaches at SFR, Sick Kids Hospital, and Apollo Global Management, plus a $1.7 million crypto theft from Maya Protocol. Other topics include an Indian scammer’s arrest, AI-driven exploit spikes, novel malware techniques, Microsoft’s code signing updates, and TikTok’s $400 million child privacy settlement.

Topics discussed

Introduction and episode headlines Attack using expired Visa cards for NFC payments Iranian hackers shut down UK power plant Lazarus Group hacks South Korean presidential office Data breaches at French Telecom SFR and Sick Kids Hospital Breaches at Apollo Global Management and Maya Protocol Charges against Indian national for elderly scams AI-driven spike in proof-of-concept exploit code Malware using FTP banners as command and control Android malware infecting smart car head units Microsoft code signing infrastructure update warning TikTok settles child privacy lawsuit for $400M
Listen ad-free on Castria