HackingFinancial ServicesHealthcareFinanceStolen CredentialsCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDPHIHealth (basic)CriticalContained

AFLAC INCORPORATED

bd_f5f14337d4045dd3 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jun 12, 2025

Filed

Dec 19, 2025

To disclose

27 weeks

Affected

239,076state residents only

Linked

5 filings

Confidence

66%

Full breach record for AFLAC INCORPORATED →18 incidents on file

Aflac Incorporated filed a supplemental security breach notification with the Iowa Attorney General on December 19, 2025. The incident, initially detected on June 12, 2025, involved unauthorized access to systems containing personal and health information of approximately 239,076 Iowa residents. Data exposed included names, DOBs, SSNs, and PHI. Aflac contained the incident, notified law enforcement, and is offering 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Iowa clock✓ IA AG ≤5 bday27 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 27 weeks / 190 days

Jun 12, 2025

Begins

Jun 12, 2025

Discovered

Dec 19, 2025

Filed

vs. sector median

+19 wks slower

This filing is one of 5 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

California State AGbd_548ca82777ea0c3a2025-12-19Candidate
Rhode Island State AGbd_602367d710413af82025-12-19Verified
Montana State AGbd_a23cab5d40b7f6402025-12-19Verified
Texas State AGbd_0cb64704c1e4bbbf2025-12-22 · +3dVerified

Name: HOGAN LOVELLS US LLP
norm: hogan lovells us

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

Discovered: Jun 12, 2025
Breach occurred: Jun 12, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 19, 2025
Affected individuals: 239,076state-resident count only
Data types: Identity (basic)Government IDPHIHealth (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: notify federal law enforcement
Initial access: valid_credentials

During the incident: Launched an immediate response with support from third-party cybersecurity experts
Notify federal law enforcement
Locked accounts identified as impacted
Resetting passwords
Further monitoring for signs of suspicious activity
Offering... CyEx Medical Shield
Operate its dedicated call center
Notifying the major consumer reporting agencies
Changes made: Offering 24 months of CyEx Medical Shield
Operate its dedicated call center
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 weeks(190 days from discovery to filing)
Compliance flags: IA AG ≤5 bday
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

California State AGDec 19 · first

Rhode Island State AGDec 19 · first

Montana State AGDec 19 · first

Iowa State AGDec 19 · first · this page

Texas State AG+3d

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://www.iowaattorneygeneral.gov/media/cms/12192025_Aflac_Incorporated_8D84D19EA9D19.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 19, 2025
Raw hash: 52dc535cc5f59b0fc328a1e924cdec23fc2362502df132546cf24f6d3251aa3a

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityHOGAN LOVELLS US LLP

Victim entityAFLAC INCORPORATED

Incidentdiscovered Jun 12, 2025

Stated responseLaunched an immediate response with support from third-party cybersecurity experts

ComplianceIA AG ≤5 bday

Extraction provenanceno artifact recorded

Source provenancewww.iowaattorneygeneral.gov