Recently, there have been frequent theft incidents involving blue-chip NFTs, with one user losing approximately 600 ETH

ChainCatcher news, encrypted KOL @CirrusNFT tweeted that a hacker attack resulted in the theft of several NFTs including CryptoPunks, BAYC, and Meebits, with losses valued at approximately 600 ETH. An hour earlier, Twitter user @CryptoNovo311 also tweeted that 4 of their CryptoPunks were stolen.

According to reports, ZachXBT stated that the hacker seems to be the same person who stole about 111 NFTs from the NFT project KUMALEON, and this hacker typically uses FixedFloat as an exchange. (source link)