AccidentalHealthcareHealthcareMisdeliveryCustomer Data InvolvedIdentity (basic)PHILowResolved

CareFirst Blue Cross Blue Shield

bd_f6aa0dd721afb5e8 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 6, 2025

Filed

Mar 5, 2025

To disclose

8 weeks

Affected

5state residents only

Confidence

67%

Full breach record for CareFirst Blue Cross Blue Shield →5 incidents on file

CareFirst BlueCross BlueShield notified the Maryland Attorney General on March 5, 2025, regarding a data incident involving five Maryland residents. An employee of vendor Fiserv mistakenly changed a printing machine setting, causing member ID cards containing names, addresses, and member IDs to be double-stuffed and mailed to another member. The error was discovered on January 6, 2025, and investigation concluded on January 30, 2025. No evidence of misuse was found. CareFirst offered two years of free credit monitoring via Experian IdentityWorks.

J jump to incidentP pin to compareR raw source

Maryland clock⏱ MD AG >30d8 weeks discovery → filing

Incident timeline

discovery → filing · 8 weeks / 58 days

Jan 6, 2025

Discovered

Mar 5, 2025

Filed

vs. sector median

4 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed5 affectedView incident

Name: CareFirst Blue Cross Blue Shield
norm: carefirst blue cross blue shield
Domain: carefirst.com

Name: CareFirst Blue Cross Blue Shield
norm: carefirst blue cross blue shield
Domain: carefirst.com
Industry: Healthcarellm

Discovered: Jan 6, 2025
Materiality determined: —
Notification sent: Mar 5, 2025
Affected individuals: 5state-resident count only
Data types: Identity (basic)PHI
Attack vector: Unknown
Threat actor: Internal
Regulator citations: Provided notice to the Maryland Office of the Attorney General

During the incident: Worked with the vendor to ensure that the issue was corrected to prevent mistakes like this from happening again
Offering a free two (2) year membership in Experian’s® IdentityWorksSM
Changes made: Corrected the printing machine setting to prevent double-stuffing envelopes
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(58 days from discovery to filing)
Compliance flags: MD AG >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

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://oag.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376507.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 5, 2025
Raw hash: 92599297a979887343029959e9cc3ee385ef1c70a381544cd3eb0dcc5775f7b6

Reporting entityCareFirst Blue Cross Blue Shield

Victim entityCareFirst Blue Cross Blue Shield

Incidentdiscovered Jan 6, 2025

Stated responseWorked with the vendor to ensure that the issue was corrected to prevent mistakes like this from happening again

ComplianceMD AG >30d

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov