Polymarket suspended trading on Thursday following a security incident that resulted in the theft of $2.65 million from users' wallets. The company attributed the breach to a compromised third-party provider and has assured that all affected traders will be reimbursed. The incident primarily impacted users on the U.K. platform, while those in the U.S. were unaffected. This incident follows a previous phishing attack in June that resulted in a loss of $3.1 million.
Key facts
- Polymarket paused trading due to a security incident on October 29, 2026.
- $2.65 million was stolen from users' wallets during the incident.
- The attack was linked to a compromised third-party provider, Debugbear.
- The incident affected the U.K. platform; U.S. users were not impacted.
- Polymarket previously experienced a phishing attack in June 2026, resulting in $3.1 million lost.
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