- A data breach at Trezor‘s shipping partner ShipMonk leaked personal details of 13,689 customers across seven countries.
- The exposed data includes full names, addresses, phone numbers, and email addresses for nearly 12,000 customers.
- Trezor confirmed its own devices and private keys remain secure, but warned impacted users face increased phishing risks.
- Trezor says it will decide on the future of its ShipMonk partnership only after a full investigation is complete.
Trezor announced today that personal details of 13,689 customers were exposed after a breach at its mailing partner ShipMonk. The incident affected users in the UK, US, Sweden, Colombia, Brazil, Italy, and Portugal who ordered a Trezor product between May 10 and August 8, 2026.
Nearly 12,000 customers had their full name, physical address, phone number, and email address leaked, while almost 2,000 saw their name, city, and email exposed. Trezor stated that someone gained “unauthorized access” to ShipMonk’s systems, but that its own infrastructure—including devices and private keys—remains unaffected, according to the company’s blog post.
The wallet firm warned that leaked users are now at risk of phishing scams via phone, email, or post. It stressed that “Nobody from Trezor ever asks for a wallet backup.” Only customers who received a warning email from Trezor today are impacted.
Trezor told Protos it was informed of ShipMonk’s breach on August 10 and is still gathering information. The company said it will “decide on the future” of its partnership with ShipMonk only when it has the full picture.
Trezor highlighted that its 90-day data policy helped mitigate the leak, allowing it to “delete or anonymize order data 90 days after delivery.” It is also pushing an “anonymous delivery” option this year. Similar customer data leaks have hit wallet maker Ledger in 2020 and 2026, leading to targeted scams including fake devices and letters demanding recovery phrases. Trezor customers have previously faced phishing campaigns using fake quantum vulnerability stories, as announced on X.
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