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Massive Data Leak Exposes 2 Billion Email Addresses and 1.3 Billion Passwords

Massive Data Leak Exposes 2 Billion Email Addresses and 1.3 Billion Passwords

First seen 2 Dec 2025, 18:33 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

A significant data leak has resulted in the exposure of approximately 2 billion email addresses and 1.3 billion passwords, compiled from multiple data breaches. The dataset, processed by Have I Been Pwned, is the largest ever recorded and includes credentials from various sources, raising concerns about account security for users worldwide.

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