Illinois Department of Human Services (IDHS) suffered a data breach that impacted 700K individuals

Security Affairs

January 10, 2026 at 12:03 AM

Overview

The Illinois Department of Human Services (IDHS) recently reported a data breach affecting nearly 700,000 individuals. The breach resulted from misconfigured privacy settings that exposed sensitive personal and health information. IDHS became aware of the issue on September 22, 2025, when internal maps meant for internal use were inadvertently made accessible. This incident raises concerns about how government agencies handle sensitive data and the potential risks to affected residents, who may now face increased vulnerability to identity theft or other forms of misuse of their information. The IDHS is likely to face scrutiny over its data protection practices and the measures it will take to prevent future breaches.

Key Takeaways

Affected Systems: Personal and health data of nearly 700,000 Illinois residents
Action Required: Review and correct privacy settings to ensure sensitive data is properly secured.
Timeline: Disclosed on September 22, 2025

Original Article Summary

Illinois Department of Human Services (IDHS) exposed personal and health data of nearly 700,000 residents due to incorrect privacy settings. The Illinois Department of Human Services (IDHS ) disclosed a data breach after misconfigured privacy settings exposed personal and health data of nearly 700,000 residents. On September 22, 2025, IDHS discovered that internal maps meant […]

Impact

Personal and health data of nearly 700,000 Illinois residents

Exploitation Status

No active exploitation has been reported at this time. However, organizations should still apply patches promptly as proof-of-concept code may exist.

Timeline

Disclosed on September 22, 2025

Remediation

Review and correct privacy settings to ensure sensitive data is properly secured

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Vulnerability, Data Breach.

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