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Nearly 3.5M affected in University of Phoenix breach tied to Clop

Siliconangle • December 22, 2025

Clop is a prolific cybercrime group known for large-scale data-extortion attacks that focus on exploiting “zero-day” or yet-unpatched vulnerabilities ...

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

University of Phoenix Breach Affects Nearly 3.5M, Linked to Clop Group The University of Phoenix experienced a data breach affecting nearly 3.5 million individuals, attributed to the Clop cybercrime group. Clop is known for exploiting zero-day vulnerabilities to conduct large-scale data-extortion attacks. 3 sources 48

Nearly 3.5M affected in University of Phoenix breach tied to Clop

The full story

Extracted Entities

Attack Types (1)

Companies (1)