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Massive Data Breach: 1.3 Billion Passwords Exposed

11/19/2025

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Summary

Story summary

Troy Hunt, CEO of Have I Been Pwned (HIBP), says a data breach exposed 1.3 billion passwords and nearly 2 billion email addresses, the largest dataset HIBP has processed.
Individuals should change passwords and use secure password managers.
Organizations should adopt zero-trust models and enforce multi-factor authentication.
Using unique email addresses for different accounts and adopting passkeys can boost security.

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Story summary

Troy Hunt, CEO of Have I Been Pwned (HIBP), says a data breach exposed 1.3 billion passwords and nearly 2 billion email addresses, the largest dataset HIBP has processed.
Individuals should change passwords and use secure password managers.
Organizations should adopt zero-trust models and enforce multi-factor authentication.
Using unique email addresses for different accounts and adopting passkeys can boost security.