Incident Score: Analysis & Impact (LINLIN1780936450)

In this Rankiteo incident briefing, we review the Lincoln Financial breach identified under incident ID LINLIN1780936450.

The analysis begins with a detailed overview of Lincoln Financial's information like the linkedin page: https://www.linkedin.com/company/lincolnfinancial, the number of followers: 123298, the industry type: Financial Services and the number of employees: 10731 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 566 and after the incident was 503 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 Lincoln Financial and their customers.

On 02 June 2026, Lincoln Retirement Services Company LLC disclosed Data Breach issues under the banner "Lincoln Retirement Services Data Breach Exposing Financial and Personal Information".

Lincoln Retirement Services Company LLC, a subsidiary of Lincoln Financial Group, reported a data breach involving unauthorized access to sensitive personal information, including financial account details and Social Security numbers.

The disruption is felt across the environment, and exposing Financial account details, Social Security numbers.

In response, and began remediation that includes Guidance on fraud alerts, security freezes, and credit monitoring, and stakeholders are being briefed through Consumer notification letters sent on 2026-05-29.

The case underscores how Ongoing, with advisories going out to stakeholders covering Contact Lincoln’s Customer Contact Center at 800-234-3500 (Monday–Friday, 8 a.m.–8 p.m. ET) for inquiries.

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.