FIRST REPORTED CASE OF A COMPROMISED LEDGER STAX HARDWARE WALLET
A Ledger Stax has reportedly been discovered containing unauthorized hardware implants capable of transmitting a user’s seed phrase to attackers.
The suspected modifications include:
- Nordic nRF9151: A 4G/LTE cellular modem potentially capable of transmitting stolen seed data. Not present in genuine Ledger devices.
- Additional chip: An unauthorized component installed alongside the modem.
- Hidden antenna: A cable running over the battery connects the modem to an antenna concealed inside the back cover.
The discovery raises further concerns about the scope of the ongoing Ledger supply-chain attack.
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