Unauthorized implants were discovered in Ledger hardware wallets sold by CryptoBilis, an authorized reseller in Indonesia, Malaysia and the Philippines. These implants captured users’ recovery phrases and transmitted them over cellular networks, leading to reported crypto losses. Security researcher Joe Grand told Cointelegraph that ordinary cryptocurrency users cannot realistically detect sophisticated tampering with hardware wallets. Trezor, Ledger’s main rival, announced it would reduce the number of resellers as a preventive step.
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