Incident Score: Analysis & Impact (ONS1773807823)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Onset Financial'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 Onset Financial 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 Onset Financial breach identified under incident ID ONS1773807823.
The analysis begins with a detailed overview of Onset Financial's information like the linkedin page: https://www.linkedin.com/company/onset-financial, the number of followers: 3044, the industry type: Financial Services and the number of employees: 105 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 684 with a difference of -70 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 Onset Financial and their customers.
On 12 December 2025, Onset Financial, Inc. disclosed Data Breach issues under the banner "Onset Financial Data Breach Exposes Sensitive Consumer Information".
On May 2, 2025, Onset Financial, Inc.
The disruption is felt across the environment, affecting Certain systems containing PII, and exposing Sensitive personally identifiable information (PII).
In response, teams activated the incident response plan, moved swiftly to contain the threat with measures like Yes, and stakeholders are being briefed through Notifications sent to affected individuals in December 2025.
The case underscores how Concluded, with advisories going out to stakeholders covering Notifications sent to affected individuals in December 2025.
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 party accessed certain systems despite existing security measures and Exploit Public-Facing Application (T1190) with lower confidence (40%), supported by evidence indicating network security incident in which an unauthorized party accessed certain systems. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (50%), supported by evidence indicating files containing sensitive PII were compromised despite existing security measures and OS Credential Dumping (T1003) with lower confidence (40%), supported by evidence indicating social Security numbers, driver’s licenses, financial account details exposed. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating files containing sensitive PII were compromised; W2s, pay stubs exposed and Data from Information Repositories (T1213) with moderate to high confidence (70%), supported by evidence indicating names, SSNs, driver’s licenses, financial account details compromised. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating unauthorized party accessed certain systems; PII compromised and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating sensitive PII exposed; no details on exfiltration method. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating network security incident with unauthorized access to systems and Data Manipulation: Stored Data Manipulation (T1565.001) with lower confidence (40%), supported by evidence indicating sensitive PII compromised; potential for identity theft. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Onset Financial Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/onset-financial/incident/ONS1773807823
- Onset Financial CyberSecurity Rating page: https://www.rankiteo.com/company/onset-financial
- Onset Financial Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/ons1773807823-onset-financial-inc-breach-may-2025/
- Onset Financial CyberSecurity Score History: https://www.rankiteo.com/company/onset-financial/history
- Onset Financial CyberSecurity Incident Source: https://www.claimdepot.com/investigations/onset-financial-data-breach-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