ImportantCysic Cross-Chain Bridge Compromised, 10 Million CYS Illegally Minted on BNB Chain
Details of the Cysic cross-chain bridge security incident have been released<p>The Cysic Foundation has issued an official announcement confirming that a security attack on the Cysic cross-chain bridge occurred at 12:31:38 UTC on October 17. The attacker gained unauthorized access to the database associated with the bridging service and exploited a processing logic vulnerability to illegally mint 10 million CYS tokens on BNB Chain.</p><p>This incident only affected the cross-chain bridge's message processing and token minting functions. The Cysic mainnet and all other core operational systems remain unaffected, and no assets belonging to regular end users have been stolen.</p><p>The project team implemented immediate mitigation measures following the incident, promptly suspending all cross-chain bridge services, and added the involved recipient address to the CYS token contract blacklist at 13:47:52 UTC the same day. All transfer operations for the approximately 2.8 million CYS remaining in the address are now fully restricted.</p>
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