A critical security vulnerability in Brevo's authentication system compromised 138 email marketing accounts, exposing over 347,000 Trezor wallet subscribers to sophisticated phishing attacks. Cybercriminals exploited the login flaw to access legitimate accounts from cryptocurrency platforms including Trezor, BitBox, and CoinTracking, leveraging them to distribute fraudulent emails designed to steal user credentials and digital assets. The incident underscores growing threats targeting the crypto community and highlights the importance of multi-factor authentication across financial platforms.

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