# Trezor Reports a Second Breach of a Marketing Platform as a $245 Million Theft Ringleader Pleads Guilty

Customer contact data taken from a third-party vendor fed phishing attacks, the same pattern that preceded a major bitcoin theft prosecuted in the United States.

- Published: 2026-09-12T05:48:50.167Z
- Canonical: https://polylog.news/crypto/2026-09-12/trezor-reports-a-second-breach-of-a-marketing-platform-as-a
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [Bitcoin Magazine](https://bitcoinmagazine.com/news/trezor-reveals-another-data-breach), [Bitcoin Magazine](https://bitcoinmagazine.com/news/ringleader-in-bitcoin-theft-guilty)

Trezor, the hardware wallet manufacturer, has disclosed another data breach after attackers targeted a marketing platform it uses, and its users were then targeted with phishing messages. No device or key material was compromised. The expos…

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