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. 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, while investigators continued examining the movement of the newly created tokens. Cysic has not established a final financial loss. Its incident report distinguishes the number of tokens created from the value an attacker may have obtained through completed transactions.

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