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Regulator-posted notice

Breach notice filed by CareFirst BlueCross BlueShield (March 2025)

Organization named: CareFirst BlueCross BlueShield Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: An employee of CareFirst's vendor, Fiserv, mistakenly changed a setting on a printing machine which caused the machine to double-stuff envelopes, resulting in member ID cards being mailed to the wrong CareFirst members

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 5, 2025.

Organization as reported
CareFirst BlueCross BlueShield
Category as reported
An employee of CareFirst's vendor, Fiserv, mistakenly changed a setting on a printing machine which caused the machine to double-stuff envelopes, resulting in member ID cards being mailed to the wrong CareFirst members
Information types as reported
Name, address, member ID number, and group name
Submission date
March 5, 2025
Observed by BreachRecords
2026-10-19 05:01 UTC (revision 48436, list:Security-Breach-Notices-2025:item:24)
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

  • 5 individuals affected (residents of the reporting state), according to the Maryland Attorney General security breach notices, source date March 5, 2025, 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 48436)
  • Approved by a reviewer

Organizations linked by a reviewer

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

Archived evidence

  • 702a823ff570849f6017115a54be4f760c6541d6fa8a04f772fd9e9e4fe1e138
    application/json, 182,820 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

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