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MetaMask Responds to Security Incident and Withdraws Lido Validators as Precaution

Crypto wallet provider MetaMask disclosed an infrastructure security incident and moved to proactively withdraw its validators from staking protocol Lido.

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MetaMask announced overnight between September 30 and October 1 that it is handling a security incident affecting part of its internal infrastructure. The wallet team stated that it is addressing an ongoing threat alongside external security partners and that no immediate risk to user wallets has been identified.

As a precautionary measure, MetaMask proactively removed its affected validators from non-custodial staking operations on Lido. The company did not share technical specifics regarding the vulnerability, the date of intrusion, or whether any data was accessed, though it confirmed coordination with clients, partners, and advisors.

Because MetaMask is a non-custodial wallet, private keys are stored locally on user devices rather than on Consensys servers. While a back-end breach cannot directly compromise private keys, potential risks could involve disruptions to integrated services such as token swaps and bridges, or malicious signature prompts.

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