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South Korean Police Accidentally Post Cryptocurrency Wallet Password

ID: 8a017d78-9146-5687-9b03-4efad35638bf

STIX ID: report--8a017d78-9146-5687-9b03-4efad35638bf

Feed Name: Schneier on Security

Threat Score
65/100

Date Published: 2026-03-17

Date Updated: 2026-04-19

Author: Bruce Schneier

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South Korea's National Tax Service accidentally published a photo showing a handwritten Ledger hardware wallet recovery mnemonic for a seized cold wallet; an attacker used the exposed phrase to steal roughly 4 million PRTG tokens (≈$4.4–4.8M) from the confiscated wallet.

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