HackingHealthcareHealthcareStolen CredentialsData ExfiltratedIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

Harbor

bd_9a4998fa85b306a6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 1, 2025

Filed

Oct 24, 2025

To disclose

12 weeks

Affected

Not disclosed

Linked

8 filings

Confidence

66%

Full breach record for Harbor →4 incidents on file

Harbor notified consumers of a data breach where an unauthorized actor accessed and exfiltrated files between July 25 and August 1, 2025. The incident involved patients, employees, and board members. Compromised data included names, SSNs, driver's licenses, medical diagnoses, and financial account information. Harbor engaged in investigation, notified affected individuals via mail and website, and offered credit monitoring services.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday12 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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

Nebraska State AGbd_02bb0b2f44a761b92025-10-24Verified
Massachusetts State AGbd_18438c745531b7f22025-10-24Verified
Maine State AGbd_2553d8403fd8364b2025-10-24Verified
New Hampshire State AGbd_2f540137b6d032672025-10-24Verified

Show 3 more filings ↓up to 24d gap

Montana State AGbd_d4a34d6895ce79792025-10-24Verified
Illinois State AGbd_cde758c48c991ef32025-10-01 · +23dCandidate
HHS OCRbd_7bfe7b23f5f210c72025-09-30 · +24dVerified by operator

Name: Harbor
norm: harbor
Domain: goharbor.io

Name: Harbor
norm: harbor
Domain: goharbor.io
Industry: Healthcarellm

Discovered: Aug 1, 2025
Breach occurred: Jul 25, 2025 – Aug 1, 2025
Undetected for: 7 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 24, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Launched an investigation to determine the nature and scope of the activity
Conducted a comprehensive review of the impacted account
Providing notice on our website
Sending notice letters through the U.S. Postal Service
Offering complementary credit monitoring services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(84 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

HHS OCRSep 30 · first

Illinois State AG+1d

Nebraska State AG+24d

Massachusetts State AG+24d

Maine State AG+24d

New Hampshire State AG+24d

Montana State AG+24d

Vermont State AG+24d · this page

Pattern: first filing Sep 30 (OH), last Oct 24 (VT) — 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.

Source URL: https://ago.vermont.gov/document/2025-10-24-harbor-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 24, 2025
Raw hash: d3bc3870e5062c3dce462e425c131214418fced8de1ad9a7047a9054e7c1631a

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityHarbor

Victim entityHarbor

Incidentdiscovered Aug 1, 2025

Stated responseLaunched an investigation to determine the nature and scope of the activity

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov