Cysic halts bridge after hacker creates 10 million CYS

Cysic has suspended its cross-chain bridge after an attacker reportedly exploited a processing flaw to mint 10 million CYS tokens without authorization on BNB Smart Chain on October 17. Summary Cysic suspended its cross-chain bridge after an attacker reportedly minted 10 million unauthorized CYS tokens. The attacker allegedly exploited bridge processing weaknesses after gaining unauthorized access to a supporting database system. Cysic blacklisted an address holding approximately 2.8 million CYS, restricting further transfers from that wallet. The project said its mainnet remained unaffected and existing customer wallet assets were not stolen. Investigators are reviewing token movements and potential losses before Cysic releases its next security report publicly. In an October 18 statement, the Cysic Foundation said its preliminary investigation identified unauthorized access to a database supporting the bridge, followed by the submission of fraudulent minting messages. The company confirmed that it had stopped bridge operations and restricted transfers from an address holding approximately 2.8 million CYS. It said its mainnet and other operational systems remained unaffected, whil...