DisclosureLens
HackingHealthcareHealthcareStolen CredentialsData ExfiltratedTargetedIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

Harbor

bd_d4a34d6895ce7979 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 1, 2025

Filed

Oct 24, 2025

To disclose

12 weeks

Affected

6state residents only

Linked

8 filings

Confidence

65%
Full breach record for Harbor4 incidents on file

Harbor notified patients, employees, and board members of unauthorized access to its network between July 25 and August 1, 2025. The incident involved the exfiltration of PII (SSN, DL), PHI, and financial data. Harbor launched an investigation, sent notices via mail and website, and offered credit monitoring. No specific count of affected individuals was provided in this Montana filing.

Incident timeline

undetected · 7 days
discovery → filing · 12 weeks / 84 days

Jul 25, 2025

Begins

Aug 1, 2025

Discovered

Oct 24, 2025

Filed

vs. sector median

on median

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Show 3 more filingsup to 24d gap

Filing propagation · 8 filings · 8 states

View merged incident ↗

Pattern: first filing Sep 30 (OH), last Oct 24 (MT) — a 24-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.