A hypothetical man-in-the-middle attack would have allowed an attacker to hold users’ crypto for ransom on Trezor and KeepKey hardware wallets.
Source: https://www.coindesk.com/trezor-keepkey-wallets-attack
Hardware Wallet Flaw Lets Attackers Hold Crypto for Ransom Without Touching Device
September 2, 2020
CoinDesk
