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Clop Ransomware Breach Affects 3.5 Million at University of Phoenix

Clop Ransomware Breach Affects 3.5 Million at University of Phoenix

First seen 24 Dec 2025, 18:08 UTC • •

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

Clop ransomware exploited an Oracle zero-day vulnerability to compromise the personal and financial data of 3.5 million individuals associated with the University of Phoenix. The breach has raised significant concerns regarding the security of sensitive information within educational institutions.

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