Trezor's 347,000 Users Hit by Sneaky Phishing Attack

Robert Moore · 2026-09-11

Imagine waking up to an email that looks legit, only to find out it's a trap. That's what happened to 347,000 Trezor customers this week. A data breach at Brevo, an email marketing platform, exposed their email addresses. Then, phishing emails went out, and about 2,500 people clicked the malicious link. If you own a Trezor hardware wallet, you need to know what's going on. ### What Went Down Trezor, a popular hardware wallet maker, confirmed that a breach at Brevo, their email marketing provider, leaked customer email addresses. The attackers didn't waste time. They sent phishing emails that looked like official Trezor communications. The emails contained a link that, if clicked, could steal your crypto. Trezor says 347,000 email addresses were targeted, and around 2,500 users clicked the link. That's a small percentage, but even one is too many. ### Why You Should Care If you hold crypto, you're a target. Phishing attacks are one of the most common ways hackers get access to your funds. They don't need to break encryption; they just need you to click. This incident shows how a third-party breach can put your assets at risk. Even if you use a hardware wallet, your email is a weak point. Attackers can use it to send convincing phishing attempts. ### How to Protect Yourself First, never click links in emails claiming to be from Trezor or any crypto service. Instead, go directly to the official website by typing the URL yourself. Second, enable two-factor authentication (2FA) on all your accounts. Third, use a password manager to create strong, unique passwords. Fourth, consider using an antidetect browser to mask your digital fingerprint and reduce tracking. Finally, stay informed. Follow official channels for updates. > "The best defense against phishing is skepticism. If an email asks you to click a link or download an attachment, verify it through another channel." – Robert Moore, Lead Antidetect Browser Specialist ### What Trezor Is Doing Trezor has notified affected users and is working with Brevo to investigate. They've also published a blog post warning customers about the phishing attempt. The company emphasizes that they never ask for your seed phrase or private keys. If you receive such a request, it's a scam. ### The Bigger Picture This isn't the first time a third-party breach has led to phishing attacks. In fact, it's becoming a pattern. As more services rely on third-party vendors, the attack surface grows. For crypto users, this means you need to be vigilant. Use a hardware wallet, yes, but also secure your email and other accounts. ### Final Thoughts Phishing attacks are a constant threat. The Trezor incident is a reminder that even the best hardware wallet can't protect you if you fall for a scam. Stay alert, verify everything, and consider tools like antidetect browsers to add an extra layer of privacy. Your crypto is only as safe as your weakest link. Don't let it be you.