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'Smartphones were never designed to be vaults': How hackers can steal PINs and private data from over a billion Android devices — even while they’re switched off

  • Efosa Udinmwen--TechRadar
  • published date: 2026-03-24 21:40:00 UTC

Ledger’s white-hat Donjon team discovered a critical MediaTek flaw allowing attackers to instantly access PINs, messages, photos, and crypto wallets.

<ul><li>Ledger’s Donjon team exploited MediaTek phones, recovering PINs and crypto wallet seed phrases</li><li>Attackers can extract root cryptographic keys from switched-off Android devices via USB<… [+3480 chars]