Chicago Public Schools — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
3
occurrences
First Seen
November 7, 2025
Last Seen
November 24, 2025

Chicago Public Schools is a organization tracked across 4 threat clusters and 3 intelligence report mentions on ThreatCluster. First observed November 7, 2025; most recent activity November 24, 2025.

Overview

Chicago Public Schools (CPS) is the largest public school district in Illinois, serving Chicago's K-12 students and operating a wide IT footprint that includes student and staff data management. As a large urban education entity, CPS is a high-value cybersecurity target due to the sensitivity of records, payroll, and operational systems. The provided article does not mention CPS specifically; it discusses Washington Post being victimized by the Cl0p gang in an Oracle-related breach, illustrating the threat landscape for large organizations, including education sector institutions.

Related Threat Clusters

  • Washington Post Confirms Breach from Oracle EBS Attacks by Cl0p Ransomware Gang

    The Washington Post has confirmed it is a victim of the ongoing attacks targeting Oracle E-Business Suite, attributed to the Cl0p ransomware group. This breach is part of a larger campaign affecting numerous…

    3 articles · Updated November 7, 2025
  • Ransomware Groups Target Retailers Ahead of Holiday Shopping

    As the holiday shopping season approaches, ransomware groups are intensifying their attacks on retailers. The surge in cybercriminal activity is particularly notable as Black Friday and Cyber Monday draw near, posing…

    31 articles · Updated November 21, 2025
  • Clop Ransomware Claims Breaches of Canon and Mazda

    The Clop ransomware gang has claimed responsibility for breaches affecting Canon and Mazda, as reported on November 20, 2025. The UK's National Health Service was also reportedly compromised, with sensitive patient data…

    4 articles · Updated November 24, 2025
  • Washington Post Data Breach Linked to Oracle E-Business Suite Exploit

    The Washington Post has confirmed a data breach affecting nearly 10,000 current and former employees due to a cyberattack linked to vulnerabilities in Oracle's E-Business Suite. The breach, attributed to the Cl0p…

    50 articles · Updated December 1, 2025

Recent Intelligence Reports

  • More organizations allegedly compromised by Clop ransomware gang — Scworld · November 24, 2025
  • The Washington Post reveals thousands impacted via Oracle-based hack — Cybernews · November 16, 2025
  • Washington Post is latest victim of Oracle-hacking Cl0p gang — Cybernews · November 7, 2025

CVSS v3.1 Breakdown