HackingHealthcareFinancial ServicesHealthcareStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Government IDPHIHealth (basic)MediumContained

Blue Cross and Blue Shield of Kansas City

bd_782eb64f5d5cff6b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 23, 2021

Filed

May 26, 2021

To disclose

13 weeks

Affected

4state residents only

Linked

5 filings

Confidence

65%

Full breach record for Blue Cross and Blue Shield of Kansas City →3 incidents on file

Blue Cross and Blue Shield of Kansas City notified Montana residents of a data breach involving its third-party vendor, LogicGate, Inc. Unauthorized access occurred on February 23, 2021, affecting member data including names, SSNs, and medical information. Blue KC systems were not directly accessed. Remediation included forensic review and enhanced safeguards.

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Incident timeline

discovery → filing · 13 weeks / 92 days

Feb 23, 2021

Begins

Feb 23, 2021

Discovered

May 26, 2021

Filed

vs. sector median

+1 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_c7e6ba5b010228d82021-05-26Verified
New Hampshire State AGbd_6d3e0e389678ba512021-05-28 · +2dVerified
Maine State AGbd_21a03a3b15639ecf2021-06-02 · +7dVerified
Massachusetts State AGbd_a41cda12e416e0332021-06-03 · +8dVerified

Name: Blue Cross and Blue Shield of Kansas City
norm: blue cross and blue shield of kansas city

Name: Blue Cross and Blue Shield of Kansas City
norm: blue cross and blue shield of kansas city
Industry: HealthcarellmFinancial Servicesllm

Discovered: Feb 23, 2021
Breach occurred: Feb 23, 2021
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 26, 2021
Affected individuals: 4state-resident count only
Data types: Identity (basic)Government IDPHIHealth (basic)
Data elements: Medical information
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1078 Valid Accounts
Threat actor: External
Third party: via LogicGate, Inc.
Initial access: valid_credentials

During the incident: LogicGate terminated the access
LogicGate notified law enforcement
LogicGate began forensic review
LogicGate implemented changes to its safeguards
LogicGate had safeguards verified by a third-party auditor
Offered complimentary identity theft protection services through IDX
Changes made: Implemented changes to safeguards to increase security of data
Had safeguards and security verified by a third-party auditor
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(92 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Indiana State AGMay 26 · first

Montana State AGMay 26 · first · this page

New Hampshire State AG+2d

Maine State AG+7d

Massachusetts State AG+8d

Pattern: first filing May 26 (IN), last Jun 3 (MA) — a 8-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://dojmt.gov/wp-content/uploads/Blue-Cross-Notif.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 26, 2021
Raw hash: 580c221d293ef1a97e5773ff33da5201b550a5d22ed797c209df6a26580f1204

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityBlue Cross and Blue Shield of Kansas City

Victim entityBlue Cross and Blue Shield of Kansas City

Incidentdiscovered Feb 23, 2021

Stated responseLogicGate terminated the access

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov