Incident Score: Analysis & Impact (BRO1791240428)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Bromcom'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 Bromcom 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 Bromcom breach identified under incident ID BRO1791240428.
The analysis begins with a detailed overview of Bromcom's information like the linkedin page: https://www.linkedin.com/company/bromcom, the number of followers: 10964, the industry type: Software Development and the number of employees: 224 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 753 and after the incident was 690 with a difference of -63 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 Bromcom and their customers.
On 06 September 2023, Bromcom disclosed Data Breach issues under the banner "Bromcom Reports Data Breach Affecting UK Education SSO System".
UK-based education software provider Bromcom has disclosed a data breach impacting its single sign-on (SSO) technology, exposing limited personal information.
The disruption is felt across the environment, affecting Communication Server environment (legacy SSO registration feature), and exposing Email addresses, SSO registration details (linked Microsoft or Google accounts), internal user reference numbers.
In response, moved swiftly to contain the threat with measures like Disabled the vulnerable legacy functionality.
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 Exploit Public-Facing Application (T1190) with moderate to high confidence (80%), supported by evidence indicating unauthorized access to the company’s Communication Server environment and External Remote Services (T1133) with moderate to high confidence (70%), supported by evidence indicating legacy SSO registration feature was exploited. Under the Credential Access tactic, the analysis identified Steal Application Access Token (T1528) with moderate confidence (60%), supported by evidence indicating sSO registration details (linked Microsoft or Google accounts) exposed and Valid Accounts: Cloud Accounts (T1078.004) with moderate to high confidence (70%), supported by evidence indicating linked Microsoft or Google accounts compromised via SSO. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating email addresses, SSO registration details, internal user reference numbers exposed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate confidence (60%), supported by evidence indicating data breach impacting SSO technology detected. Under the Defense Evasion tactic, the analysis identified Impair Defenses: Disable or Modify Tools (T1562.001) with moderate confidence (50%), supported by evidence indicating legacy SSO registration feature was disabled post-breach. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Bromcom Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/bromcom/incident/BRO1791240428
- Bromcom CyberSecurity Rating page: https://www.rankiteo.com/company/bromcom
- Bromcom Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/bro1791240428-bromcom-breach-september-2026/
- Bromcom CyberSecurity Score History: https://www.rankiteo.com/company/bromcom/history
- Bromcom CyberSecurity Incident Source: https://www.scworld.com/brief/bromcom-notifies-customers-of-personal-data-breach-affecting-sso-technology
- 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