Blockchain-based prediction market giant Polymarket has confirmed it fell victim to a targeted supply chain cyberattack that allowed malicious actors to inject a fraudulent script into its website’s frontend, draining roughly $3 million from user accounts. Editorial credit: Samuel Boivin / Shutterstock The security breach was detected by internal teams and quickly corroborated by prominent blockchain analytics firms, including PeckShield and Bubblemaps. While the attack targe

A cyberattack targeting market intelligence platform Klue has led to the theft of customer data belonging to several cybersecurity firms in yet another high profile third-party breach. The intrusion, which began on June 11, 2026, bypassed standard edge defenses by exploiting a single forgotten credential. Once inside Klue's infrastructure, the attackers systematically harvested long-lived authentication tokens, allowing them to impersonate the platform and pull massive amount