UnknownHealthcareHealthcareCustomer Data InvolvedIdentity (basic)Government IDPHIHealth (basic)FinancialMediumContained

Northwest Radiologists, Inc./Mount Baker Imaging

bd_16235da02de87867 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 25, 2025

Filed

Oct 29, 2025

To disclose

40 weeks

Affected

Not disclosed

Linked

6 filings

Confidence

65%

Full breach record for Northwest Radiologists, Inc./Mount Baker Imaging →

Northwest Radiologists, Inc. and Mt. Baker Imaging experienced unauthorized access to certain network systems between January 20, 2025, and January 25, 2025. The incident involved potential exposure of personal information including names, addresses, Social Security numbers, driver's license numbers, and protected health information such as treatment diagnoses and medical record numbers. The organization engaged third-party specialists and law enforcement, secured the environment, and is offering credit monitoring services to affected individuals.

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Incident timeline

undetected · 5 days

discovery → filing · 40 weeks / 277 days

Jan 20, 2025

Begins

Jan 25, 2025

Discovered

Oct 29, 2025

Filed

vs. sector median

+27 wks slower

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Oregon State AGbd_3e0fca4b5b9d294f2025-10-29Verified by operator
New Hampshire State AGbd_9173669cd15d26c52025-10-29Verified
Nebraska State AGbd_e7a3610e1fcf4ed82025-10-29Verified
HHS OCRbd_3852def57b155f672025-10-28 · +1dVerified by operator

Show 1 more filing ↓up to 111d gap

Washington State AGbd_0015ee9f373b47762025-07-10 · +111dCandidate

Name: Northwest Radiologists, Inc./Mount Baker Imaging
norm: northwest radiologists inc mount baker imaging

Name: Northwest Radiologists, Inc./Mount Baker Imaging
norm: northwest radiologists inc mount baker imaging
Industry: Healthcarellm

Discovered: Jan 25, 2025
Breach occurred: Jan 20, 2025 – Jan 25, 2025
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDPHIHealth (basic)Financial
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unknown
Regulator citations: Contacted law enforcement

During the incident: Took immediate action to address and investigate the event
Contacted law enforcement
Engaged third-party specialists to assist with determining the nature and scope of the event
Secured the environment
Implemented additional technical safeguards to further enhance the security of information
Offering complimentary credit monitoring and identity protection services
Changes made: Implemented additional technical safeguards to further enhance the security of information in our possession and to prevent similar incidents from happening in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 40 weeks(277 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 5 states

View merged incident ↗

Washington State AGJul 10 · first

HHS OCR+110d

Oregon State AG+111d

New Hampshire State AG+111d

Nebraska State AG+111d

California State AG+111d · this page

Pattern: first filing Jul 10 (WA), last Oct 29 (CA) — a 111-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://oag.ca.gov/ecrime/databreach/reports/sb24-613553
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 29, 2025
Raw hash: a94b075ff42f87540b7a19b89d920cddf522d4f9d4d3a2de9cc485e77a1fa971

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityNorthwest Radiologists, Inc./Mount Baker Imaging

Victim entityNorthwest Radiologists, Inc./Mount Baker Imaging

Incidentdiscovered Jan 25, 2025

Stated responseTook immediate action to address and investigate the event

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov