Lincoln Retirement Services Discloses Data Breach Exposing Financial and Personal Information Lincoln Retirement Services Company LLC, a subsidiary of Lincoln Financial Group, recently reported a data breach involving unauthorized access to sensitive personal information. The incident, disclosed to the Massachusetts Office of Consumer Affairs and Business Regulation on June 2, 2026, exposed financial account details and Social Security numbers. Consumer notification letters were sent on May 29, 2026, though the exact number of affected individuals across the U.S. has not been released. Details surrounding the breach including how the unauthorized access occurred, when it took place, and how it was detected remain unclear. In response, Lincoln Retirement Services provided affected individuals with guidance on mitigating risks, including steps to place fraud alerts, request security freezes, and monitor credit reports for suspicious activity. For further inquiries, affected individuals were directed to contact Lincoln’s Customer Contact Center at 800-234-3500 (Monday–Friday, 8 a.m.–8 p.m. ET). The company has not yet disclosed additional information on the scope or origin of the breach.

The Maryland Office of the Attorney General reported a data breach involving Lincoln Financial, which occurred between December 12, 2024, and December 17, 2024, due to unauthorized access to a server at Kelly Benefits, a third-party provider. The breach potentially affected personal information of insured members, but the specific number of individuals affected is unknown.

On May 3, 2024, The Lincoln National Life Insurance Company suffered a data breach resulting in the inadvertent disclosure of personal information belonging to two individuals. The exposed data included Social Security numbers (SSNs), a highly sensitive form of personally identifiable information (PII) that significantly elevates the risk of identity theft and financial fraud. In response, the company offered identity theft protection services to the affected individuals, acknowledging the severity of the exposure. The breach was formally reported to the Maine Office of the Attorney General on May 15, 2024, indicating a delay in public disclosure. While the scale of affected individuals appears limited (only two), the nature of the compromised data—SSNs—poses long-term risks, as such information can be exploited for fraudulent activities like loan applications, tax fraud, or unauthorized account openings. The incident underscores vulnerabilities in the company’s data handling and protection protocols, particularly concerning internal controls for safeguarding sensitive customer information. Although no evidence suggests malicious external hacking, the unintentional exposure still qualifies as a serious data leak, warranting regulatory scrutiny and potential reputational damage. The provision of identity protection services reflects an attempt to mitigate harm, but the breach highlights the need for strengthened data governance to prevent future occurrences.

The Maine Office of the Attorney General reported a data breach involving The Lincoln National Life Insurance Company on November 21, 2023. The breach occurred on November 1, 2023, due to an inadvertent disclosure of personal information in an email, affecting one individual. The compromised information included the individual's Social Security Number.

The Maine Office of the Attorney General reported a data breach involving The Lincoln National Life Insurance Company on November 16, 2023. The breach, which occurred on October 26, 2023, involved inadvertent disclosure of one individual's Social Security number, name, address, and bank account information due to an email sent to an unintended recipient. Identity theft protection services, including a one-year membership in Experian's credit monitoring service, were offered to the affected individual.

The Vermont Office of the Attorney General reported on April 15, 2022, that Lincoln Financial Securities Corporation experienced a data breach involving unauthorized access to personal information from July 31, 2021, to September 17, 2021. The specific types of personal information exposed and the number of affected individuals are currently unknown.

The Maine Office of the Attorney General reported a data breach involving Lincoln Financial Group on March 24, 2021. The breach, which occurred on February 11, 2021, involved the inadvertent disclosure of sensitive information including Social Security numbers, affecting one individual. Lincoln Financial Group has offered a one-year membership in Experian’s IdentityWorks as a response to the incident.

On April 16, 2020, the California Office of the Attorney General reported that Lincoln Financial Advisors Corporation experienced a data breach on March 19, 2020. The breach involved unauthorized possession of a drive containing client data, potentially exposing personal information such as names, addresses, Social Security numbers, and bank account information.

On March 17, 2016, the Indiana Office of the Attorney General reported a data breach involving The Lincoln National Life Insurance Company. This incident affected 58 individuals in total, with 14 residents specifically impacted. The exact date of the breach is unknown, but it highlights the potential risks to personal information and the importance of data security measures.