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Unknown hackers leak 16 billion login credentials in major breach

Ellsworth Toohey
Jun 19, 2025
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Dmytro Tyshchenko/shutterstock

A massive data breach has exposed 16 billion login credentials, with nearly all of them coming from previously undiscovered databases, according to a report from Tom's Hardware.

While most large-scale breaches typically recycle known leaked credentials, this one revealed almost entirely new information. Cybernews researchers…

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