Cryptohack Roundup: Android Chips Hot Wallet Attack

Also: 700M Euro Fraud Busted, 2 Arrested in Crypto-Linked Killing Case Rashmi Ramesh (rashmiramesh_) • December 11, 2025

Every week, Information Security Media Group rounds up cybersecurity incidents in digital assets. This week, Ledger warned that physical attacks on Android chips pose risks for hot wallet users, a criminal network behind a 700 million euro fraud was dismantled, a British hacker tied to the $243 million Genesis theft was reportedly taken into custody, and a key participant in a $263 million social engineering ring pleaded guilty. Police arrested two men in Vienna over a crypto-linked killing.

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Crypto wallet provider Ledger's Donjon research team uncovered a vulnerability in the MediaTek Dimensity 7300 (MT6878) chip used in many Android smartphones, showing that physical attacks could compromise software-based crypto wallets.

By applying electromagnetic fault injection, the researchers disrupted the chip's boot ROM ...