LINCOLN NATIONAL CORPORATION
ent_019e4598ccfb323af86e819fa6082837
Disclosures
24
HHS OCR · State AG · 5 jurisdictions
Multi-filing incidents
3
incidents joining 2+ filings here
Max affected reported
3,070
as filed · HHS OCR IN
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- LINCOLN NATIONAL CORPORATION
- Normalized
- lincoln national— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- EFQMQROEDSNBRIP7LE47
- SEC EDGAR CIK
- 0000059558
- Domain
- lincolnfinancial.com
Disclosure history (24)newest first
- INDIANAHHS OCRas victim2026-06-02
Lincoln National Corporation (d/b/a Lincoln Financial), a health plan based in Indiana, reported a breach affecting 3,070 individuals. The incident involved unauthorized access to or disclosure of information stored on paper or films. No business associate was involved.
- INDIANAHHS OCRas victim2026-01-30
Lincoln National Corporation d/b/a/ Lincoln Financial reported to HHS on 2026-01-30 a Unauthorized Access/Disclosure affecting 998 individuals. Breached information located on Paper/Films. An employee impermissibly mailed PHI of 998 individuals to the wrong recipients. The PHI involved demographic and financial information. The CE notified HHS and the affected individuals. In response to the breach, the CE provided complimentary credit monitoring services to the affected individuals, and implemented additional administrative, technical, and security safeguards to better protect its PHI.
- Massachusetts State AGas victim2025-07-22
Lincoln Financial reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-07-22. 68 Massachusetts residents were affected.
- INDIANAHHS OCRas victim2025-05-02
Lincoln National Corporation d/b/a Lincoln Financial reported to HHS on 2025-05-02 a Hacking/IT Incident affecting 1123 individuals. Breached information located on Network Server. A business associate experienced a cyberattack impacting PHI including names, addresses, DOB, SSN, and claims data. The covered entity notified HHS and individuals, strengthened passwords, and offered credit monitoring.
- Massachusetts State AGas victim2024-09-25
Lincoln Financial reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-09-25. 1 Massachusetts residents were affected.
- Massachusetts State AGas victim2021-10-11
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2021-10-11. 1 Massachusetts residents were affected. The report records the breach type as electronic.
- New Hampshire State AGas reporting2021-07-06
Lincoln Financial Securities supplements notice of email compromise affecting 2 NH residents. Unauthorized access occurred May 1-3, 2020 via phishing. Data exposed: SSN, DOB, bank info, driver's license, medical info. Discovered July 2, 2020. Remediation: password resets, email config changes, credit monitoring.
- Massachusetts State AGas victim2021-06-24
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2021-06-24. 2 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2021-05-27
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2021-05-27. 17 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2021-05-20
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2021-05-20. 1 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2021-04-23
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2021-04-23. 7 Massachusetts residents were affected. The report records the breach type as electronic.
- Maine State AGas victim2021-03-24
Lincoln Financial Group reported an inadvertent disclosure incident that occurred on February 11, 2021, and was discovered on March 10, 2021. The breach affected one Maine resident, involving their Social Security Number. The company provided written notification and offered a one-year membership to Experian's Identity Works credit monitoring service.
- Massachusetts State AGas victim2021-03-16
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2021-03-16. 2 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2021-03-09
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2021-03-09. 1 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2020-10-07
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-10-07. 4 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2020-08-20
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-08-20. 1 Massachusetts residents were affected. The report records the breach type as electronic.
- New Hampshire State AGas reporting2020-07-27
Lincoln Financial Securities notified NH AG of a phishing incident affecting one resident's email account (May 1-3, 2020). Discovered July 2, 2020. Exposed PII, SSN, DOB, bank info, driver's license, medical/financial data. Notifications mailed July 24, 2020 with 1-year credit monitoring.
- Massachusetts State AGas victim2019-12-09
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2019-12-09. 7 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2019-10-23
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2019-10-23. 1 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2019-07-23
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2019-07-23. 1 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2019-02-22
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2019-02-22. 6 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2018-11-13
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2018-11-13. 214 Massachusetts residents were affected. The report records the breach type as paper.
- Massachusetts State AGas victim2018-06-04
Lincoln Financial Group reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2018-06-04. 1 Massachusetts residents were affected. The report records the breach type as electronic.
- Montana State AGas victim2018-04-03
Lincoln National Life Insurance Company notified Montana AG of a phishing attack compromising employee accounts (Jan-Feb 2018). Unauthorized access exposed PII including SSNs, DOBs, driver's licenses, and PHI. Company secured accounts, investigated, and offered credit monitoring.
Subsidiary disclosures (newest 10)filed by group companies
◈ These filings were made by or about subsidiaries of LINCOLN NATIONAL CORPORATION — not by LINCOLN NATIONAL CORPORATION itself. Corporate relationships are mapped from GLEIF relationship records and SEC Exhibit 21 filings.
- Massachusetts State AGvia THE LINCOLN NATIONAL LIFE INSURANCE COMPANY2026-08-01
The Lincoln National Life Insurance Company notified Massachusetts residents that their personal information was subject to unauthorized access. The company is offering two years of complimentary credit monitoring via Experian. No specific dates for discovery or occurrence were provided in the notice letter. The incident is described as contained with no indication of improper use.
- Indiana State AGvia THE LINCOLN NATIONAL LIFE INSURANCE COMPANY2026-06-18
Lincoln National Life Insurance Company reported a data breach to the Indiana Attorney General. The breach occurred on 2026-06-08 and was reported on 2026-06-18. 1 Indiana residents were affected.
- Massachusetts State AGvia THE LINCOLN NATIONAL LIFE INSURANCE COMPANY2026-06-10
The Lincoln National Life Insurance Company notified Massachusetts residents of unauthorized access to personal information, including Short Term Disability (STD) claim data. The breach was discovered on or about June 9, 2026. Affected individuals are offered two years of Experian IdentityWorks credit monitoring. No improper use of information has been indicated.
- Massachusetts State AGvia THE LINCOLN NATIONAL LIFE INSURANCE COMPANY2026-06-09
Lincoln National Life Insurance Company notified Massachusetts residents of unauthorized access to personal information. The breach involved personal data including names and Social Security numbers. The company provided two years of complimentary credit monitoring via Experian IdentityWorks. No improper use of information was detected.
- Indiana State AGvia THE LINCOLN NATIONAL LIFE INSURANCE COMPANY2026-06-02
Lincoln National Life Insurance Company reported a data breach to the Indiana Attorney General. The breach occurred on 2025-10-29 and was reported on 2026-06-02. 6 Indiana residents were affected. 181 individuals affected in total.
- Massachusetts State AGvia Lincoln Retirement Services Company, LLC2026-06-01
Lincoln Retirement Plan Services Company, LLC notified Massachusetts residents on May 29, 2026, that their personal information was subject to unauthorized access. The company provided complimentary two-year Experian credit monitoring. No improper use was indicated. The incident status is contained.
- Massachusetts State AGvia THE LINCOLN NATIONAL LIFE INSURANCE COMPANY2026-05-28
Lincoln National Life Insurance Company notified Massachusetts residents on May 22, 2026, that their personal information was subject to unauthorized access. The company provided complimentary two-year Experian IdentityWorks credit monitoring. No improper use was indicated. The incident involved valid credential compromise.
- Massachusetts State AGvia Lincoln Retirement Services Company, LLC2026-05-05
Lincoln Retirement Services Company, LLC notified Massachusetts residents on May 5, 2026, that their personal information was subject to unauthorized access. The company provided complimentary two-year Experian credit monitoring. No improper use was detected.
- Indiana State AGvia THE LINCOLN NATIONAL LIFE INSURANCE COMPANY2026-03-03
The Lincoln National Life Insurance Company reported a data breach to the Indiana Attorney General. The breach occurred on 2026-02-06 and was reported on 2026-03-03. 2 Indiana residents were affected. 28 individuals affected in total.
- Indiana State AGvia THE LINCOLN NATIONAL LIFE INSURANCE COMPANY2026-03-03
The Lincoln National Life Insurance Company reported a data breach to the Indiana Attorney General. The breach occurred on 2026-02-06 and was reported on 2026-03-03. 2 Indiana residents were affected. 28 individuals affected in total.