Phishing Attacks on Trezor Users Following Brevo Data Leak

Trezor has announced that phishing attacks targeting its customers occurred last week, affecting 347,000 email addresses. These attacks were facilitated by a data leak at Brevo, a marketing software provider. The security breach allowed attackers access to sensitive information that was used to carry out the attacks. Of the affected users, approximately 2,500 clicked on a malicious link embedded in the phishing emails. Trezor warned its customers about the risks and recommended that they review their accounts and change their passwords.

The affected users were directly informed and received instructions on securing their accounts. The phishing emails posed as official communication from Trezor, urging recipients to confirm their account information. The attackers used fake websites that closely resembled the real Trezor pages to trick users into entering their login credentials. Trezor has since taken measures to enhance the authenticity of its communications. The company also emphasized that the security of its hardware wallets was not compromised. The attacks specifically targeted users and their account information. Trezor has reviewed its security protocols and is working to minimize the impact of the incident.

Following the revelation of the attacks, numerous security researchers and experts have highlighted the dangers of phishing. They stress that users should always be cautious when receiving emails from unknown senders. The use of two-factor authentication is recommended as an additional security measure. Trezor has announced plans to keep its users updated on the latest developments and security measures. The company intends to offer webinars in the coming weeks to educate users on recognizing phishing attacks and protecting their accounts.

The incidents have also sparked discussions about the security of third-party services. Experts are calling for stronger regulations and security standards for companies handling sensitive user data. The Brevo security breach has underscored the importance of companies regularly checking their systems for vulnerabilities. The incidents at Trezor are not the first of their kind. In recent years, there have been several similar attacks on crypto wallet providers and exchanges.

These attacks highlight the ongoing threat of cybercrime in the cryptocurrency sector and the necessity for users to take proactive measures to protect their digital assets. The Brevo security breach has already been investigated by several security researchers. The exact cause of the data leak remains unclear, but it is suspected that inadequate security measures and lack of encryption may have played a role. Brevo has announced plans to review and enhance its security protocols to prevent future incidents. The events have also impacted user trust in crypto services.

Many users have expressed concerns about the security of their investments and are demanding more transparency from providers. Trezor has emphasized that the security of its hardware wallets is a top priority and that the company is doing everything possible to maintain user trust. On September 12, 2026, Trezor released an official statement summarizing the details of the attacks and the recommended security measures.