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Regulator-posted notice

Breach notice filed by Citigroup Global Markets Inc. (December 2024)

Organization named: Citigroup Global Markets Inc. Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Credential stuffing attack

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 Dec. 16, 2024.

Organization as reported
Citigroup Global Markets Inc.
Category as reported
Credential stuffing attack
Information types as reported
Name, account number, and certain balance, position, and transaction information.
Submission date
Dec. 16, 2024
Observed by BreachRecords
2026-10-19 05:01 UTC (revision 48344, list:Security-Breach-Notices-2024:item:1706)
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 Dec. 16, 2024, 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 48344)
  • Approved by a reviewer

Organizations linked by a reviewer

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

Archived evidence

  • f1e284bed5f1b3879b9afa94435ea35dfb248bc60ded307a3b4ddf015cf2c804
    application/json, 1,268,127 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.

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