PennKey SSO — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
1
occurrences
First Seen
November 4, 2025
Last Seen
November 4, 2025

PennKey SSO is the University of Pennsylvania's single sign-on authentication platform used by students, staff, and affiliates to access campus services.

Overview

PennKey SSO is the University of Pennsylvania's single sign-on authentication platform used by students, staff, and affiliates to access campus services. Because it centralizes authentication, a breach impacting PennKey could enable access to multiple university systems and associated data, making the incident material for credential- and access-related threats. The reported impact of nearly 1.2 million individuals underscores the significance of securing centralized identity infrastructure in higher education.

Related Threat Clusters

Recent Intelligence Reports

  • Almost 1.2M allegedly impacted by University of Pennsylvania breach — Scworld · November 4, 2025

CVSS v3.1 Breakdown