Incident Overview
Polymarket’s international platform (Polymarket.com) suffered a security incident after a third-party provider (DebugBear, a website performance monitoring tool) was compromised. Malicious JavaScript drained funds from some users’ accounts (approximately $2.65–2.7 million). Trading was paused for about an hour, then resumed. Polymarket promised to fully reimburse all affected traders and referred the matter to UK law enforcement.
Sources & References
This record presents information attributed to the linked sources. Incident dates describe the original event, not a new report. Reported loss figures reflect the source record and are not current market valuations.