# AI Agents Fuel 600K Credit Card Heist, Infect 100+ Sites > Source: > Published: 2026-09-23 16:49:58+00:00 In a massive heist, over 600,000 valid credit card details were stolen from online retailers using open-source AI agent frameworks to compromise at least 119 websites and deliver skimmer malware at scale. The alarming campaign, active since July, saw a concentrated burst of 105 attack waves in just five days, targeting major companies and leaving a trail of digital devastation.