<ul><li>Security researchers Brutecat and Nathan discovered a security flaw in YouTube that could expose billions of user emails.</li><li>The flaw allowed the researchers to access users' GAIA numbers, which could be converted into email addresses.</li><li>The vulnerability could potentially lead to phishing attacks and data breaches for businesses whose employees use work emails on YouTube.</li><li>Regular cybersecurity training and implementing email security systems are essential in protecting against such security flaws.</li></ul>

YouTube Security Flaw Could Have Exposed Billions of User Emails

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