Incident Score: Analysis & Impact (STA1767411522)

In this Rankiteo incident briefing, we review the State of Illinois breach identified under incident ID STA1767411522.

The analysis begins with a detailed overview of State of Illinois's information like the linkedin page: https://www.linkedin.com/company/state-of-illinois, the number of followers: 0, the industry type: Government Administration and the number of employees: 11299 employees

After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 848 and after the incident was 816 with a difference of -32 which is could be a good indicator of the severity and impact of the incident.

In the next step of the video, we will analyze in more details the incident and the impact it had on State of Illinois and their customers.

On 22 September 2025, Illinois Department of Human Services disclosed Data Exposure issues under the banner "Illinois Department of Human Services Data Security Incident".

The Illinois Department of Human Services (IDHS) is notifying the public of a data security incident involving internal planning maps that were mistakenly made public due to incorrect privacy settings.

The disruption is felt across the environment, affecting Public mapping website, and exposing Yes, with nearly 705,017 records at risk.

In response, teams activated the incident response plan, moved swiftly to contain the threat with measures like Immediate limitation of map access, implementation of new secure map policy, and began remediation that includes New Secure Map Policy prohibiting upload of customer-level data to public mapping websites, while recovery efforts such as Ongoing notification to affected individuals continue, and stakeholders are being briefed through Public disclosure, notices to affected customers with toll-free numbers for information.

The case underscores how Ongoing, teams are taking away lessons such as Importance of proper privacy settings and secure handling of sensitive data on public platforms. Need for stricter internal policies regarding data uploads to third-party services, and recommending next steps like Implement stricter access controls and privacy settings for public-facing tools, Conduct regular audits of data shared on third-party platforms and Enhance employee training on data security and privacy best practices, with advisories going out to stakeholders covering Not specified.

Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.

The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.