AccidentalHealthcareHealthcareMisconfigurationCustomer Data InvolvedHealth (basic)Identity (basic)PHILowContained

Regence (Regence BlueShield and Regence BCBS of OR)

bd_bb67cae5989ad801 · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 19, 2024

Filed

Jan 31, 2025

To disclose

6 weeks

Affected

714state residents only

Confidence

71%

Full breach record for Regence (Regence BlueShield and Regence BCBS of OR) →

Regence BlueShield experienced a data breach affecting 714 Washington residents. Between Dec 5-19, 2024, a technical misconfiguration caused claim notification messages intended for dependents to be sent to policy subscribers. Data exposed included dependent names, birth year, claim details, and provider names. The error was discovered on Dec 19, 2024, and notifications were mailed on Jan 31, 2025.

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Washington clock⏱ WA AG >30d6 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 14 days

discovery → filing · 6 weeks / 43 days

Dec 5, 2024

Begins

Dec 19, 2024

Discovered

Jan 31, 2025

Filed

vs. sector median

5 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed714 affectedView incident

Name: Regence (Regence BlueShield and Regence BCBS of OR)
norm: regence regence blueshield and regence bcbs of or

Name: Regence (Regence BlueShield and Regence BCBS of OR)
norm: regence regence blueshield and regence bcbs of or
Industry: Healthcarellm

Discovered: Dec 19, 2024
Breach occurred: Dec 5, 2024 – Dec 19, 2024
Undetected for: 14 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 31, 2025
Affected individuals: 714state-resident count only
Data types: Health (basic)Identity (basic)
Data elements: NameMedical information
WA-stated cause: Theft or Mistake
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Misconfiguration
MITRE ATT&CK: T1119 Automated Collection
Regulator citations: Reporting to the United States Department of Health and Human Services Office for Civil Rights

During the incident: Disabled claim notification messages
Deleted claim notification messages from policy holders' member portal accounts
Reverted the process for retrieving claim notification messages to the previous method
Reporting this to the United States Department of Health and Human Services Office for Civil Rights
Changes made: Involved teams are updating written processes to require additional testing and approval before implementing changes that affect how data surfaces in any digital member portal account or app
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(43 days from discovery to filing)
Compliance flags: WA AG >30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA32096.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 31, 2025
Raw hash: 15747213c58cd7ec23ed477364108a5f56ff17b1bdcfd582217167d591e4d231

Reporting entityRegence (Regence BlueShield and Regence BCBS of OR)

Victim entityRegence (Regence BlueShield and Regence BCBS of OR)

Incidentdiscovered Dec 19, 2024

Stated responseDisabled claim notification messages

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com