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Clop Ransomware Group Breaches University of Phoenix, Exposing 3.5 Million Records

ID: bfe9cb50-3041-573f-a467-c70090b59135

STIX ID: report--bfe9cb50-3041-573f-a467-c70090b59135

Feed Name: ThreatCluster

Threat Score
75/100

Date Published: 2025-12-23

Date Updated: 2026-03-31

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The University of Phoenix reported a breach affecting roughly 3.5 million current and former students, staff, and suppliers after the Clop ransomware group exploited a vulnerability in Oracle's E-Business Suite; unauthorized access occurred in August 2025 and was disclosed in December 2025, exposing sensitive personal and financial information.

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