Cybersecurity Researcher Loses £10,000 in Infostealer Financial DDoS Attack

A cybersecurity researcher was targeted in a financially motivated attack where Infostealer-collected Acuity Scheduling credentials were used in credential-stuffing and automated fraudulent transactions against linked payment methods; the resultant activity triggered Stripe Radar and led to £10,000 in losses over two days, highlighting a ‘financial DDoS’ tactic that combines credential theft, payment-card testing, and payment-processor friction.