Incident Score: Analysis & Impact (LIN1780936709)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Lincoln 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 Lincoln 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 Lincoln Financial breach identified under incident ID LIN1780936709.
The analysis begins with a detailed overview of Lincoln Financial's information like the linkedin page: https://www.linkedin.com/company/lincoln-financial123, the number of followers: 194, the industry type: Financial Services and the number of employees: 55 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 756 and after the incident was 687 with a difference of -69 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 Lincoln Financial and their customers.
On 02 June 2026, Lincoln Retirement Plan Services Company, LLC disclosed Data Breach issues under the banner "Lincoln Retirement Plan Services Data Breach".
Shamis & Gentile P.A.
The disruption is felt across the environment, and exposing Financial account details, Social Security numbers.
Formal response steps have not been shared publicly yet.
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 Valid Accounts (T1078) with moderate to high confidence (70%), supported by evidence indicating unauthorized access to sensitive personal data and Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating breach involved unauthorized access (details limited). Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate confidence (60%), supported by evidence indicating financial account details and Social Security numbers exposed and OS Credential Dumping (T1003) with moderate confidence (50%), supported by evidence indicating unauthorized access to sensitive personal data. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating financial account details and Social Security numbers compromised. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating unauthorized access to sensitive personal data (high sensitivity) and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating data breach involving financial services (cloud likely involved). Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating no details on breach extent or malware involvement and Data Manipulation: Transmitted Data Manipulation (T1565.002) with lower confidence (40%), supported by evidence indicating high identity theft and payment information risk. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Lincoln Financial Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/lincoln-financial123/incident/LIN1780936709
- Lincoln Financial CyberSecurity Rating page: https://www.rankiteo.com/company/lincoln-financial123
- Lincoln Financial Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/lin1780936709-lincoln-financial-group-breach-june-2026/
- Lincoln Financial CyberSecurity Score History: https://www.rankiteo.com/company/lincoln-financial123/history
- Lincoln Financial CyberSecurity Incident Source: https://www.claimdepot.com/investigations/lincoln-financial-group-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