Tag: malicious firefox extensions
2 articles

Malicious Firefox Extensions Target Crypto Wallets, Exfiltrate Recovery Phrases
Beware of malicious Firefox extensions that masquerade as helpful tools but secretly steal your crypto wallet secrets, including recovery phrases and private keys, by intercepting them during wallet import flows. These sneaky add-ons can even fake legitimate wallet interfaces to trick you into handing over sensitive info.

Malicious Firefox Extensions Target Web3 Wallets
Beware of malicious Firefox extensions that have been targeting Web3 wallets as part of a large-scale campaign, with 40 confirmed malicious add-ons and 37 working together to steal your cryptocurrency. This coordinated threat, known as Offside Wallet Theft Factory, has been active since March 2026.