Trezor warns of suspected crypto-theft implant in hardware wallet
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Trezor has issued a warning about a suspected hardware implant in a Trezor Safe 5 device sold through its reseller CryptoBilis in Southeast Asia. An Indonesian customer reported discovering an unauthorized circuit board with a cellular module and antenna inside the device, which could potentially exfiltrate sensitive data such as recovery phrases over mobile networks. The same reseller was previously implicated in a similar Ledger hardware wallet compromise, suggesting a broader supply-chain attack. Trezor has not yet physically verified the device but advises users who purchased through CryptoBilis since March 2026 to transfer their assets to new wallets and avoid using potentially compromised devices.
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