Metamask has not given any specific details yet which led to some speculation that it could have been really bad. From the recent on-chain activity, investigators are saying that only 0.36 ETH in staking rewards was stolen by an attacker who managed to change the address where rewards are sent to. It will be a huge relief if that is the extent of the damage, although it’s yet another incident that might make people lose confidence in DeFi. Even with something as low risk as staking, users will be scared of losing funds.
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I was hoping for this too, but I came across
information in X that real users' wallets had been hacked:

Attacker drained: ETH, BNB, usdt, usdc...