DeFiSecurity4 SourcesOstium Halts Trading After $18M Oracle Key ExploitOstium suspended trading after an attacker exploited a compromised oracle signer key to drain approximately $18 million ...Aug 31, 2026, 02:02 AMOstiumArbitrum
DeFiSecurityOstium Attributes $23.75M USDC Exploit to Compromised Off-Chain InfrastructureOstium concluded its July exploit stemmed from compromised off-chain infrastructure rather than smart contract flaws, af...Jul 30, 2026, 11:13 AMOstiumUSDC
SecurityOstium to Resume Operations July 23 After $24M ExploitOstium announced it will resume operations on July 23 following a $24 million exploit that forced the platform offline. ...Jul 22, 2026, 08:06 PMOstium
