HackingFinancial ServicesHealthcareFinanceStolen CredentialsPhishingCustomer Data InvolvedEmployee Data InvolvedMulti-Stage ChainIdentity (basic)Government IDPHIMediumContained

AFLAC INCORPORATED

bd_9c4f4bbb30129984 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 2, 2018

Filed

Sep 28, 2018

To disclose

8 weeks

Affected

11state residents only

Linked

2 filings

Confidence

66%

Full breach record for AFLAC INCORPORATED →18 incidents on file

Aflac notified the NH Attorney General of unauthorized access to third-party hosted Office365 accounts between Sept 2017 and May 2018. Discovered Aug 2018. Affected data included names, addresses, DOB, SSNs, and policy info. 11 NH residents notified on Sept 28, 2018, offered credit monitoring.

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Incident timeline

undetected · 328 days

discovery → filing · 8 weeks / 57 days

Sep 8, 2017

Begins

Aug 2, 2018

Discovered

Sep 28, 2018

Filed

vs. sector median

on median

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

Massachusetts State AGbd_36272fe7b23bb4c02018-09-28Verified

Name: AFLAC INCORPORATED
norm: aflac
Domain: aflac.com

Name: AFLAC INCORPORATED
norm: aflac
Domain: aflac.com
Industry: Financial ServicesllmHealthcarellm

Discovered: Aug 2, 2018
Breach occurred: Sep 8, 2017 – May 9, 2018
Undetected for: 328 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 28, 2018
Affected individuals: 11state-resident count only
Data types: Identity (basic)Government IDPHI
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Notified New Hampshire Office of the Attorney General
Initial access: valid_credentials

During the incident: Conducted internal review
Enhanced security measures
Provided additional security training and education to the agents
Offering one year of credit monitoring where applicable
Changes made: Enhanced security measures
Provided additional security training and education to the agents
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(57 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 ↗

Massachusetts State AGSep 28 · first

New Hampshire State AGSep 28 · first · 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://mm.nh.gov/files/uploads/doj/remote-docs/aflac-20180928.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 28, 2018
Raw hash: 8c9efbb4b38cc0367214612801c27e8904a5ed80c20bacfacaaf0d75ac213e7b

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityAFLAC INCORPORATED

Victim entityAFLAC INCORPORATED

Incidentdiscovered Aug 2, 2018

Stated responseConducted internal review

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov