3.4 Million Impacted In University Of Phoenix Ransomware Attack

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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.

Clop Ransomware Group Breaches University of Phoenix, Exposing 3.5 Million Records The University of Phoenix reported a data breach affecting approximately 3.5 million individuals, including current and former students, staff, and suppliers. The breach, attributed to the Clop ransomware group, occurred after attackers exploited a vulnerability in Oracle's E-Business Suite, gaining unauthorized access to sensitive personal and financial information. The incident was disclosed in December 2025, although the unauthorized access occurred in August 2025. 3 sources 55