Polymarket Hack: Attackers Steal Millions in Crypto via Compromised Third-Party (heise.de)

• Polymarket confirmed security breach on June 26, 2026.
• Attackers used compromised third-party to inject malicious code.
• PeckShield estimates $3 million in PUSD stolen.
• Affected users to be fully compensated.

"Attackers injected malicious code into Polymarket's website via a compromised third-party service, stealing cryptocurrency from user accounts. The prediction market platform confirmed the breach on June 26, 2026, and stated affected users will be fully compensated. Security firm PeckShield estimates approximately $3 million in PUSD tokens were stolen. The company removed the malicious component and is contacting users."