UnknownHealthcareHealthcareGovernment IDMedium

Blue Cross and Blue Shield of Illinois

bd_8f1b03137a5d3574 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Aug 7, 2025

To disclose

—

Affected

117state residents only

Linked

7 filings

Confidence

95%

Full breach record for Blue Cross and Blue Shield of Illinois →107 incidents on file

Blue Cross and Blue Shield of Illinois reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-08-07. 117 Massachusetts residents were affected.

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Massachusetts clock✓ MA credit monitoring due

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Aug 7, 2025

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 7 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Illinois State AGbd_1f7be5f3daa49d0f2025-08-01 · +6dVerified
Illinois State AGbd_3f27b93d6fcc927f2025-08-01 · +6dVerified
Illinois State AGbd_54eae985ea48cf722025-08-01 · +6dVerified
Illinois State AGbd_8b96829a1f22c9012025-08-01 · +6dVerified

Show 2 more filings ↓up to 6d gap

Illinois State AGbd_97247fdb52b098312025-08-01 · +6dVerified
Illinois State AGbd_be7bc3d4555d1ba72025-08-01 · +6dVerified

Name: Blue Cross and Blue Shield of Illinois
norm: blue cross and blue shield of illinois
Domain: bcbsil.com

Name: Blue Cross and Blue Shield of Illinois
norm: blue cross and blue shield of illinois
Domain: bcbsil.com
Industry: Healthcareregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 117state-resident count only
Data types: Government ID
Data elements: Social Security number
Stated not affected: Medical informationFinancial account numberDriver's licence numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: MA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 2 states

View merged incident ↗

Illinois State AGAug 1 · first

Massachusetts State AG+6d · this page

Pattern: first filing Aug 1 (IL), last Aug 7 (MA) — a 6-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://www.mass.gov/doc/data-breach-report-2025/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 7, 2025
Raw hash: 591b6f51bf2cd68dc2d267eb7b1533ec2e1836c43eff21ae8915135603f11d80

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityBlue Cross and Blue Shield of Illinois

Victim entityBlue Cross and Blue Shield of Illinois

IncidentUnknown

ComplianceMA credit monitoring due

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov