Incident Score: Analysis & Impact (POS1768429853)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Posillico Civil, Inc.'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 Posillico Civil, Inc. 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 Posillico Civil, Inc. breach identified under incident ID POS1768429853.
The analysis begins with a detailed overview of Posillico Civil, Inc.'s information like the linkedin page: https://www.linkedin.com/company/posillico-incorporated, the number of followers: 12011, the industry type: Construction and the number of employees: 377 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 754 and after the incident was 694 with a difference of -60 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 Posillico Civil, Inc. and their customers.
On 12 January 2026, Posillico disclosed Data Breach issues under the banner "Posillico Data Breach".
Posillico reported a data breach where sensitive personal identifiable information may have been compromised.
The disruption is felt across the environment, affecting Network systems, and exposing Sensitive personal identifiable information.
In response, and stakeholders are being briefed through Mailed data breach notification letters to impacted individuals.
The case underscores how Completed, and recommending next steps like Providing complimentary credit monitoring services to affected individuals, with advisories going out to stakeholders covering Data breach notification letters mailed to impacted individuals.
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 confidence (60%), supported by evidence indicating unauthorized third party may have accessed or acquired sensitive PII and Exploit Public-Facing Application (T1190) with lower confidence (40%), supported by evidence indicating network disruption detected, prompting investigation into breach. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (50%), supported by evidence indicating social Security numbers and names compromised and OS Credential Dumping (T1003) with lower confidence (40%), supported by evidence indicating sensitive personal identifiable information accessed. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (70%), supported by evidence indicating names and Social Security numbers exposed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate confidence (60%), supported by evidence indicating unauthorized third party may have acquired sensitive PII and Transfer Data to Cloud Account (T1537) with lower confidence (30%), supported by evidence indicating data breach impacting sensitive personal information. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (20%), supported by evidence indicating network disruption detected and Stored Data Manipulation (T1565.001) with lower confidence (30%), supported by evidence indicating sensitive personal identifiable information compromised. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Posillico Civil, Inc. Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/posillico-incorporated/incident/POS1768429853
- Posillico Civil, Inc. CyberSecurity Rating page: https://www.rankiteo.com/company/posillico-incorporated
- Posillico Civil, Inc. Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/pos1768429853-posillico-breach-december-2025/
- Posillico Civil, Inc. CyberSecurity Score History: https://www.rankiteo.com/company/posillico-incorporated/history
- Posillico Civil, Inc. CyberSecurity Incident Source: https://straussborrelli.com/2026/01/14/posillico-data-breach-investigation/
- 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