Lincoln National Corporation Data Breach History

This page tracks the Lincoln National Corporation data breach history and cybersecurity incidents affecting Lincoln National Corporation (United States). BreachHistory currently indexes 2 publicly disclosed or catalogued incidents spanning 2010 through 2011, with approximately 1.2 million records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.

The Lincoln National Corporation breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed.

Largest Lincoln National Corporation Data Breaches

The largest indexed incidents include the 2010 — Lincoln National Corporation: Jan 2010 (vulnerability reported Aug 2009), 1… and the 2011 — Lincoln National Corporation: On April 29, an employee accidentally attache…. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Lincoln National Corporation or a regulator. Below is the list of large data breaches:

• 2010 2010 — Lincoln National Corporation: Jan 2010 (vulnerability reported Aug 2009), 1.2M records — about 1.2M records exposed · Catalogued incident
• 2011 2011 — Lincoln National Corporation: On April 29, an employee accidentally attached a… — about 705 records exposed · Catalogued incident

What Information Was Exposed?

Depending on the incident, exposed data may include email addresses, Social Security numbers and national IDs, names, bank account details, dates of birth, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

Lincoln National Corporation Data Breach 2026

At the time of this update, no Lincoln National Corporation data breach has been catalogued for 2026. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.

What To Do If You Were Affected

If you believe your account may have been involved in a Lincoln National Corporation data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.

This Lincoln National Corporation breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.