Polylog
The Polylog Crypto Intelligence Brief

Morning Edition · Friday, June 26, 2026

Polymarket to Refund Users After a $2.94 Million Phishing Attack Through a Compromised Vendor

Attackers injected malicious code into the prediction market's website by way of a third-party supplier, draining funds without touching the underlying contracts.

Polymarket to Refund Users After a $2.94 Million Phishing Attack Through a Compromised Vendor

Polymarket, the largest crypto prediction market, said attackers compromised a third-party vendor and used that access to inject malicious code into its website, producing a phishing attack that drained an estimated $2.94 million from users…

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Endpoint Malware Targets Crypto Keys Beyond Smart-Contract Exploits

Beyond on-chain contract exploits, key-harvesting malware targets private keys at the device and supply-chain level, opening a distinct and growing attack surface for crypto holders.