The Internet reported that the Shibarium cross-chain bridge connecting Shibarium and Ethereum on the Layer2 network was attacked by a lightning loan this week, and about $2.4 million in ETH and SHIB were stolen. Currently, Shibarium has released a security update, which states that: 1. Certain bridging operations have been restricted to prevent new unauthorized transactions; 2. Upgrade and restrict paths that may be abused (Deposits/withdrawals/claims/rewards), and add targeted defensive controls to prevent abuse of entrusted pledges; 3. Restore and protect BONE at risk held at the pledge manager level. Short-term BONE pledges will be subject to intervention and effective restrictions by protocol mechanisms; 4. Rotate verifier signers and migrate contract control to multi-party hardware custody; continue extensive migration from legacy keys; 5. Monitor attacker traffic in real time; Automatically issue alerts and escalate to partners and exchanges; 6. Hire independent security researchers, incident response companies and relevant departments.