Authy hack exposes phone numbers of 33M users

A hack on Twilio’s Authy 2FA app has exposed the phone numbers of 33 million users, increasing their risk of phishing attacks. Twilio confirmed the breach, caused by an unauthenticated endpoint, and has secured the vulnerability. Users are urged to update to the latest app versions and remain vigilant about suspicious texts. The hack reveals users’ phone numbers, their use of 2FA, and specifically Authy, enabling attackers to craft convincing phishing messages. This incident follows other recent cybersecurity breaches, highlighting vulnerabilities even in security-focused companies.

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