Incident Score: Analysis & Impact (OPT1782181652)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Optimum First Mortgage's Ransomware 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 Optimum First Mortgage 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 Optimum First Mortgage breach identified under incident ID OPT1782181652.
The analysis begins with a detailed overview of Optimum First Mortgage's information like the linkedin page: https://www.linkedin.com/company/optimumfirstmortgage, the number of followers: 649, the industry type: Financial Services and the number of employees: 106 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 631 with a difference of -124 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 Optimum First Mortgage and their customers.
On 19 June 2026, Optimum First Mortgage disclosed Ransomware issues under the banner "Optimum First Mortgage Hit by Ransomware Attack, Exposing Sensitive Borrower Data".
On June 19, 2026, mortgage lender Optimum First Mortgage disclosed a ransomware attack carried out by the cybercriminal group 'Pear.' The threat actors claimed responsibility and demanded payment to prevent the leak of stolen data.
The disruption is felt across the environment, and exposing Social Security numbers, bank account details, tax records, employment history, income data.
In response, and stakeholders are being briefed through Public disclosure and breach notifications.
The case underscores how Ongoing, with advisories going out to stakeholders covering Breach notifications sent to affected 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 Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating ransomware attack carried out by the cybercriminal group Pear and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating no details on attack’s scope or initial access vector. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate confidence (50%), supported by evidence indicating ransomware attack disclosed by Optimum First Mortgage. Under the Credential Access tactic, the analysis identified Unsecured Credentials: Credentials In Files (T1552.001) with moderate to high confidence (70%), supported by evidence indicating social Security numbers, bank account details, tax records compromised. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating mortgage application data...compromised via ransomware attack and Data from Network Shared Drive (T1039) with moderate confidence (60%), supported by evidence indicating highly sensitive information from mortgage applications exposed. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating threat actors demanded payment to prevent the leak of stolen data and Exfiltration Over Web Service (T1567) with moderate to high confidence (70%), supported by evidence indicating data exfiltration confirmed in ransomware incident. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate to high confidence (80%), supported by evidence indicating ransomware attack disclosed by Optimum First Mortgage and Defacement: Internal Defacement (T1491.001) with lower confidence (40%), supported by evidence indicating attack threatening the organizations existence. Under the Command and Control tactic, the analysis identified Application Layer Protocol: Web Protocols (T1071.001) with moderate confidence (60%), supported by evidence indicating threat actors demanded payment to prevent data leak. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Optimum First Mortgage Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/optimumfirstmortgage/incident/OPT1782181652
- Optimum First Mortgage CyberSecurity Rating page: https://www.rankiteo.com/company/optimumfirstmortgage
- Optimum First Mortgage Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/opt1782181652-optimum-first-mortgage-ransomware-june-2026/
- Optimum First Mortgage CyberSecurity Score History: https://www.rankiteo.com/company/optimumfirstmortgage/history
- Optimum First Mortgage CyberSecurity Incident Source: https://www.prnewswire.com/news-releases/optimum-first-mortgage-data-breach-edelson-lechtzin-llp-launches-investigation-into-exposure-of-personal-information-302807085.html
- 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