Social EngineeringFinancial ServicesHealthcareFinancePhishingCustomer Data InvolvedEmployee Data InvolvedTargetedIdentity (basic)Government IDPHIPIIMediumContained

LINCOLN NATIONAL CORPORATION

bd_0c3dbc11375fd37c · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 3, 2018

To disclose

—

Affected

2state residents only

Linked

2 filings

Confidence

66%

Full breach record for LINCOLN NATIONAL CORPORATION →30 incidents on file

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.

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Incident timeline

Jan 29, 2018

Begins

Apr 3, 2018

Filed

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

New Hampshire State AGbd_70d0916780a38e0d2018-04-02 · +1dVerified

Name: LINCOLN NATIONAL CORPORATION
norm: lincoln national
Domain: lincolnfinancial.com

Name: LINCOLN NATIONAL CORPORATION
norm: lincoln national
Domain: lincolnfinancial.com
Industry: Financial ServicesllmHealthcarellm

Discovered: —
Breach occurred: Jan 29, 2018 – Feb 9, 2018
Materiality determined: —
Notification sent: —
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDPHIPII
Data elements: Social Security numberDate of birth
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Secured the employee’s account
Initiated a full investigation of the unauthorized access
Arranged to provide complimentary credit monitoring and identity restoration services with Kroll
Changes made: Continually assess cybersecurity policies and procedures, enhancing them as appropriate
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

New Hampshire State AGApr 2 · first

Montana State AG+1d · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://dojmt.gov/wp-content/uploads/Lincoln-Financial-Group.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 3, 2018
Raw hash: 26ea36691ae4b83028f8500d374dc6d412c95f5d2244332267d581ba523be565

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityLINCOLN NATIONAL CORPORATION

Victim entityLINCOLN NATIONAL CORPORATION

IncidentPhishing

Stated responseSecured the employee’s account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov