HECO Bridge (Huobi ECO Chain Ethereum Bridge): Compromised Bridge Operator Account (Private Key / Off-chain)
HECO Bridge lost $86.6M when a compromised operator account began draining the bridge contract — the third major hack tied to Justin Sun entities in 12 days, while global attention was focused on Binance's legal settlement.
Summary #
HECO Bridge (Huobi ECO Chain Ethereum Bridge) suffered a Cross-Chain Bridge on 2023-11-22, resulting in a loss of approximately $87M.
What happened #
HECO Bridge lost $86.6M when a compromised operator account began draining the bridge contract — the third major hack tied to Justin Sun entities in 12 days, while global attention was focused on Binance's legal settlement.
Linked factors #
- RD-F-007 — related : Bug bounty absent — baseline integrity gap [via dashboard_risk_factors/Bug bounty: Unknown]
- RD-F-101 — illustrative : Large governance proposal queued — RT signal would have fired [via realtime_signals/Governance/admin action (Y/N): Y — operator account action was the enabling event]