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Tag: malicious firefox extensions

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Person working at desk with Firefox browser open on laptop amidst papers and cryptocurrency notes.

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.

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