Scammers attempted to steal $10 million via Polymarket

According to The Wall Street Journal, scammers attempted to steal at least $10 million from Polymarket using stolen debit cards. The attackers used approximately seven accounts to make thousands of deposit attempts, with payment processor Checkout.com flagging over 80% of deposits as fraudulent at one point. While most attempts were blocked, Polymarket faced operational challenges, including payment delays for legitimate users. The platform later implemented stricter controls on linked debit cards and is cooperating with regulators. Additionally, the platform experienced a separate security incident in July involving unauthorized access to nearly 500 customer accounts, for which it has promised compensation.