Karpelès says Ledger was warned of tampered wallets in Dec 2025 but failed to alert customers

Mark Karpelès says Ledger was warned by at least two users about tampered wallets as early as December 2025 but failed to alert customers before its latest security crisis. A Cointelegraph investigation reports researcher Joe Grand notified Ledger on 4 March 2026 about a modified Nano X bought from an unauthorised Lazada seller; Ledger acknowledged but issued no public warning.

Detected & updated continuously · Source: Nebula