Incident Score: Analysis & Impact (FISMIC1784032242)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Fisher Healthcare's Breach and lateral movement inside company's environment.
- Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
- How Rankiteo’s incident engine converts technical details into a normalized incident score.
- How this cyber incident impacts Fisher Healthcare Rankiteo cyber scoring and cyber rating.
- Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.
Full Incident Analysis Transcript
In this Rankiteo incident briefing, we review the Fisher Healthcare breach identified under incident ID FISMIC1784032242.
The analysis begins with a detailed overview of Fisher Healthcare's information like the linkedin page: https://www.linkedin.com/company/fisher-healthcare, the number of followers: 12941, the industry type: Hospitals and Health Care and the number of employees: None 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 765 and after the incident was 672 with a difference of -93 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 Fisher Healthcare and their customers.
On 08 May 2024, Michigan Department of Health and Human Services (MDHHS) disclosed Data Breach issues under the banner "Michigan’s Bridge Card System Hack Linked to Surge in SNAP Fraud".
In May 2024, an Oakland County law enforcement officer revealed that Michigan’s Bridge Card system used to distribute Supplemental Nutrition Assistance Program (SNAP) benefits had been hacked, potentially exposing users’ card numbers and PINs.
The disruption is felt across the environment, affecting Michigan’s Bridge Card (EBT) system, and exposing EBT card numbers and PINs, plus an estimated financial loss of $1.5 million (SNAP benefits replaced FY 2023–2025).
In response, while recovery efforts such as SNAP benefits replacement for affected users continue, and stakeholders are being briefed through Limited disclosure; MDHHS and FIS deferred responsibility.
The case underscores how Ongoing.
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.
MITRE ATT&CK® Correlation Analysis
Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (80%), with evidence including eBT card numbers and PINs potentially exposed, and 400% increase in SNAP fraud reports and Trusted Relationship (T1199) with moderate to high confidence (70%), supported by evidence indicating fIS (vendor) managing EBT system; potential supply chain compromise. Under the Credential Access tactic, the analysis identified Modify Authentication Process (T1556) with moderate to high confidence (70%), supported by evidence indicating pINs exposed; $248 stolen from account without user sharing PIN and Brute Force: Password Cracking (T1110.002) with moderate confidence (60%), supported by evidence indicating eBT card numbers and PINs potentially compromised. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (70%), supported by evidence indicating eBT card numbers and PINs exposed via Bridge Card system. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate confidence (60%), supported by evidence indicating $1.5M in SNAP benefits replaced; 2,968 fraud claims approved and Data from Cloud Storage (T1530) with moderate confidence (50%), supported by evidence indicating fIS (vendor) manages EBT system; potential cloud compromise. Under the Impact tactic, the analysis identified Resource Hijacking (T1496) with moderate to high confidence (80%), supported by evidence indicating $248 stolen from account; 400% surge in SNAP fraud and Account Access Removal (T1531) with moderate confidence (50%), supported by evidence indicating sNAP benefits replacement for affected users. Under the Defense Evasion tactic, the analysis identified Impair Defenses: Disable or Modify Tools (T1562.001) with lower confidence (40%), supported by evidence indicating limited disclosure; MDHHS and FIS deferred responsibility. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Fisher Healthcare Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/fisher-healthcare/incident/FISMIC1784032242
- Fisher Healthcare CyberSecurity Rating page: https://www.rankiteo.com/company/fisher-healthcare
- Fisher Healthcare Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/fismic1784032242-michigan-department-of-health-and-human-services-fis-breach-may-2024/
- Fisher Healthcare CyberSecurity Score History: https://www.rankiteo.com/company/fisher-healthcare/history
- Fisher Healthcare CyberSecurity Incident Source: https://www.michigancapitolconfidential.com/news/michigans-bridge-card-system-was-hacked-police-say
- Rankiteo A.I CyberSecurity Rating methodology: https://www.rankiteo.com/Images/rankiteo_algo.pdf
- Rankiteo TPRM Scoring methodology: https://static.rankiteo.com/model/rankiteo_tprm_methodology.pdf