# Karpelès Says Ledger Received Tampering Reports Since December 2025 By Simon Yoon Canonical URL: https://www.tokenpost.com/news/technology/33897 Published: 2026-10-17T09:46:50.000Z Updated: 2026-10-17T09:46:50.000Z Section: Technology > He cited Joe Grand’s March 4, 2026, report of a compromised Ledger Nano X bought through Lazada. Former Mt. Gox CEO Mark Karpelès said Ledger had received hardware-tampering reports since December 2025 but had not publicly warned users, raising concerns about how the company communicates device-security risks. Karpelès urged Ledger to be more transparent and cited security researcher Joe Grand’s March 4, 2026, report about a compromised Ledger Nano X purchased through Lazada. Ledger acknowledged the issue but has not disclosed further details. A separate security incident disclosed Oct. 9 involved devices sold by an authorized reseller. TokenPost has previously covered Karpelès’ [warning about altered Ledger devices and potential recovery-phrase exposure](). He also published a public catalog of 14 devices classified as tampered or counterfeit, with entries naming seven sellers. ## Links in this article - [warning about altered Ledger devices and potential recovery-phrase exposure](https://www.tokenpost.com/news/technology/29128)