Slow Fog CISO: Security company Koi reveals that over 40 counterfeit cryptocurrency wallet extensions have appeared in the official Firefox browser add-on store

ChainCatcher message, Slow Mist Technology's Chief Information Security Officer 23pds tweeted that the security company Koi disclosed over 40 counterfeit cryptocurrency wallet extensions in the official Firefox browser add-on store, imitating mainstream wallets such as MetaMask and Coinbase Wallet. These malicious plugins steal mnemonic phrases by embedding event listener code and send the data back to the attacker's server.