Trezor Warns of Hardware Implant in Safe 5 Sold by…
By Tobi Opeyemi Amure
AI summary of the source article
Trezor warned that a Trezor Safe 5 sold by reseller CryptoBilis reportedly contained a hardware implant designed to transmit screen data over mobile networks. Trezor urged anyone who purchased a device from CryptoBilis since March 2026 to move their funds.
Why it matters
A reported hardware implant inside a Trezor Safe 5 allegedly reads wallet backup details displayed on the screen and transmits them over a cellular network, raising concerns about supply chain attacks targeting hardware wallets.
Key facts
- A reported hardware implant inside a Trezor Safe 5 featured a cellular module and antenna allegedly designed to broadcast screen displays, including wallet backups.
- Trezor removed CryptoBilis as an official reseller on October 9 and advised customers who bought devices from it since March 2026 to generate a new wallet and seed.
- Ledger also previously confirmed physical supply chain tampering in Southeast Asia connected to the same reseller, though no Trezor buyers have reported fund losses.
Source excerpt · FinanceFeeds
Trezor said on Friday that its security team received a responsible disclosure on October 28 describing a hardware implant inside a Trezor Safe 5, which a customer in Indonesia bought from reseller CryptoBilis through Tokopedia in August 2026. Trezor has not yet received the device, but it treats the report as credible based on the customer's description, photos and a video interview. The company…