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Regulator-posted notice

Breach notice filed by CareFirst (March 2022)

Organization named: CareFirst Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Credential stuffing attack on the member portal

What the sources say

Maryland Attorney General security breach notices Primary notice

Posted on the Maryland Attorney General security breach notices with a submission date of March 16, 2022.

Organization as reported
CareFirst
Category as reported
Credential stuffing attack on the member portal
Information types as reported
Name, address, member number, explanation of benefits and claims information (excluding diagnosis code and CPT code)
Submission date
March 16, 2022
Observed by BreachRecords
2026-10-19 05:01 UTC (revision 43718, list:Security-Breach-Notices-2022:item:310)
Archived copy
Held in the private archive (provenance)

The listing records a filing with the agency; it is not a finding by the agency.

Figures, per source

  • 8 individuals affected (residents of the reporting state), according to the Maryland Attorney General security breach notices, source date March 16, 2022, revision observed 2026-10-19.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

  • Submission date (Maryland Attorney General security breach notices)
  • Observed by BreachRecords (revision 43718)
  • Approved by a reviewer

Organizations linked by a reviewer

  • CareFirst Named as the filer Provisional: identity as filed, not yet matched to the directory Linked 2026-11-04, method manual.

Archived evidence

  • 5ab600f2a4fae1a3f148520ee4d017dc3145a84ce9d898139474ecce077a6562
    application/json, 1,051,433 bytes, retrieved from Maryland Attorney General security breach notices, 2026-10-19 05:01 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

Request a correction

A record that disagrees with its source, names the wrong organization or duplicates another is corrected after review. This form is about Breach notice filed by CareFirst (March 2022). We acknowledge every request within two business days. We reply by email.

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