Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Government IDHealth (basic)MediumContained

LINCOLN NATIONAL CORPORATION

bd_70d0916780a38e0d · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 2, 2018

Filed

Apr 2, 2018

To disclose

≤1 day

Affected

16state residents only

Linked

2 filings

Confidence

66%

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

Lincoln Financial Group notified NH AG of unauthorized access to employee email accounts via phishing (Jan-Feb 2018). Exposed NH residents' PII (SSN, DL, DOB) and limited PHI. 16 residents affected. Notices sent April 2, 2018.

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Incident timeline

undetected · 63 days

discovery → filing · ≤1 day / 0 days

Jan 29, 2018

Begins

Apr 2, 2018

Discovered

Apr 2, 2018

Filed

vs. sector median

8 wks faster

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

Montana State AGbd_0c3dbc11375fd37c2018-04-03 · +1dCandidate

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

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

Discovered: Apr 2, 2018
Breach occurred: Jan 29, 2018 – Feb 9, 2018
Undetected for: 63 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 2, 2018
Affected individuals: 16state-resident count only
Data types: Identity (basic)Government IDHealth (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General
Initial access: phishing_link

During the incident: Secured each employee's email account
Initiated a full investigation of the unauthorized access
Enhanced cybersecurity policies and procedures
Enhanced cybersecurity awareness training
Changes made: Enhanced cybersecurity policies and procedures
Enhanced cybersecurity awareness training
Source: Quoted from the filing itself, not independently verified.

Time to disclose: ≤1 day(0 days from discovery to filing)
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 · this page

Montana State AG+1d

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://mm.nh.gov/files/uploads/doj/remote-docs/lincoln-financial-20180402.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 2, 2018
Raw hash: 004f808a619511322697e33eb37e51cab764c3666715086cd4e0548cd9dd4e3a

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityLINCOLN NATIONAL CORPORATION

Victim entityLINCOLN NATIONAL CORPORATION

Incidentdiscovered Apr 2, 2018

Stated responseSecured each employee's email account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov