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Oracle E-Business Suite Hack Affects 3.5M University of Phoenix Users

First seen 7 Jan 2026, 05:50 UTC • •

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ThreatCluster •March 12, 2026 at 13:27 UTC

From September to November 2025, hackers exploited vulnerabilities in Oracle E-Business Suite, leading to the exfiltration of Social Security numbers and other sensitive data. Approximately 3.5 million individuals associated with the University of Phoenix were impacted by this breach.

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