Incident Score: Analysis & Impact (MCB1782752095)
The details regarding individual company incidents & reports gives you full view from every side.
Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Mcbs Llc'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 Mcbs Llc 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 Mcbs Llc breach identified under incident ID MCB1782752095.
The analysis begins with a detailed overview of Mcbs Llc's information like the linkedin page: https://www.linkedin.com/company/mcbs-llc, the number of followers: 77, the industry type: Business Consulting and Services and the number of employees: 34 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 755 and after the incident was 694 with a difference of -61 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 Mcbs Llc and their customers.
On 26 June 2026, MCBS LLC disclosed Data Breach issues under the banner "MCBS LLC Discloses Data Breach Affecting Healthcare Patients".
MCBS LLC, a Georgia-based medical billing and business services provider, reported a data breach involving unauthorized access to its network.
The disruption is felt across the environment, affecting Network, and exposing Personally identifiable information (PII) and protected health information (PHI).
In response, teams activated the incident response plan, and stakeholders are being briefed through Notification letters, dedicated toll-free response line.
The case underscores how Completed, with advisories going out to stakeholders covering Notification letters with enrollment details for identity protection services, fraud alerts, credit freezes, and credit report access.
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%), supported by evidence indicating unauthorized access to its network over a four-day period and Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating attack vector described as Unauthorized Access. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate confidence (60%), supported by evidence indicating social Security numbers and health insurance information compromised and Unsecured Credentials (T1552) with moderate to high confidence (70%), supported by evidence indicating unauthorized access suggests credential compromise. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating files containing PII and PHI were compromised and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating medical histories, treatment details, and health insurance info exposed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating unauthorized access over four days with data compromise and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating no specific exfiltration method detailed. Under the Impact tactic, the analysis identified Data Manipulation: Stored Data Manipulation (T1565.001) with lower confidence (40%), supported by evidence indicating high identity theft risk noted for affected individuals and Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating no evidence of data destruction, but included due to breach impact. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Mcbs Llc Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/mcbs-llc/incident/MCB1782752095
- Mcbs Llc CyberSecurity Rating page: https://www.rankiteo.com/company/mcbs-llc
- Mcbs Llc Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/mcb1782752095-mcbs-llc-breach-september-2025/
- Mcbs Llc CyberSecurity Score History: https://www.rankiteo.com/company/mcbs-llc/history
- Mcbs Llc CyberSecurity Incident Source: https://www.claimdepot.com/data-breach/mcbs-llc-2026
- 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