MisuseHealthcareFinancial ServicesHealthcareData MishandlingEmployee Data InvolvedIdentity (basic)Government IDPIIMediumContained

Blue Shield of California (BSC)

bd_c82d174b28637e9f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 30, 2022

Filed

Dec 22, 2022

To disclose

8 weeks

Affected

2state residents only

Linked

2 filings

Confidence

65%

Full breach record for Blue Shield of California (BSC) →4 incidents on file

Blue Shield of California notified Montana residents that an employee emailed a confidential spreadsheet containing brokers' PII (name, SSN/TIN, address, phone, email) to a personal email account on June 17 and October 30, 2022. Blue Shield disabled the employee's access, interviewed them, and directed deletion of the data. The company is offering one year of credit monitoring and identity restoration services.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 135 days

discovery → filing · 8 weeks / 53 days

Jun 17, 2022

Begins

Oct 30, 2022

Discovered

Dec 22, 2022

Filed

vs. sector median

4 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

California State AGbd_579f487622636a872022-12-22Candidate

Name: Blue Shield of California (BSC)
norm: blue shield of california bsc

Name: Blue Shield of California (BSC)
norm: blue shield of california bsc
Industry: HealthcarellmFinancial Servicesllm

Discovered: Oct 30, 2022
Breach occurred: Jun 17, 2022 – Oct 30, 2022
Undetected for: 135 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 22, 2022
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDPII
Data elements: Social Security number
Attack vector: Insider
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: Internal
Initial access: insider_action

During the incident: Disabled the employee’s access to the Blue Shield network
Interviewed the employee
Directed the employee to permanently delete the confidential information from his personal email account
Changes made: Strengthening its system detection tools designed to prevent and identify the unauthorized disclosure of sensitive information
Offered complimentary access to credit monitoring and identity restoration services through Experian IdentityWorks for a period of one year
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(53 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

California State AGDec 22 · first

Montana State AGDec 22 · first · this page

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/OCP/Consumer-Notification-Letter-781.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 22, 2022
Raw hash: 767fcf6d60a30a408c44e1102462b426227f67a3853eabc5c5950202f3aa8168

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityBlue Shield of California (BSC)

Victim entityBlue Shield of California (BSC)

Incidentdiscovered Oct 30, 2022

Stated responseDisabled the employee’s access to the Blue Shield network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov