Lincoln Retirement Plan Services Data Breach Under Investigation
Shamis & Gentile P.A., a class action law firm specializing in data breach cases, is investigating a cybersecurity incident involving Lincoln Retirement Plan Services Company, LLC, a subsidiary of Lincoln Financial Group (part of Lincoln National Corp.). The company, based in Fort Wayne, Indiana, provides administrative services for employer-sponsored retirement plans, including 401(k) accounts.
The breach, disclosed to the Massachusetts Attorney General on June 2, 2026, involved unauthorized access to sensitive personal data. While details remain limited, exposed information includes financial account details and Social Security numbers. Affected individuals may be eligible for compensation through a potential class action lawsuit.
Lincoln Retirement Plan Services has not yet released further specifics on the breach’s scope or cause. The investigation is ongoing.
Source: https://www.claimdepot.com/investigations/lincoln-financial-group-data-breach-2026
Lincoln Financial cybersecurity rating report: https://www.rankiteo.com/company/lincoln-financial123
"id": "LIN1780936709",
"linkid": "lincoln-financial123",
"type": "Breach",
"date": "6/2026",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'affected_entities': [{'industry': 'Financial Services, Retirement Plan '
'Administration',
'location': 'Fort Wayne, Indiana, USA',
'name': 'Lincoln Retirement Plan Services Company, LLC',
'type': 'Subsidiary'}],
'data_breach': {'personally_identifiable_information': 'Yes',
'sensitivity_of_data': 'High',
'type_of_data_compromised': 'Financial account details, '
'Social Security numbers'},
'date_publicly_disclosed': '2026-06-02',
'description': 'Shamis & Gentile P.A. is investigating a cybersecurity '
'incident involving Lincoln Retirement Plan Services Company, '
'LLC, a subsidiary of Lincoln Financial Group. The breach '
'involved unauthorized access to sensitive personal data, '
'including financial account details and Social Security '
'numbers.',
'impact': {'data_compromised': 'Financial account details, Social Security '
'numbers',
'identity_theft_risk': 'High',
'payment_information_risk': 'High'},
'investigation_status': 'Ongoing',
'references': [{'source': 'Shamis & Gentile P.A.'}],
'regulatory_compliance': {'legal_actions': 'Potential class action lawsuit',
'regulatory_notifications': 'Massachusetts Attorney '
'General'},
'title': 'Lincoln Retirement Plan Services Data Breach',
'type': 'Data Breach'}