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Regulator-posted notice

Breach notice filed by Macmillan (December 2022)

Organization named: Macmillan Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Unauthorized access to and acquisition of files from certain systems

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. 1, 2022.

Organization as reported
Macmillan
Category as reported
Unauthorized access to and acquisition of files from certain systems
Information types as reported
Name, Social Security number, driver's license number, financial account information, passport number, and online account login credentials
Submission date
Dec. 1, 2022
Observed by BreachRecords
2026-10-19 05:01 UTC (revision 44779, list:Security-Breach-Notices-2022:item:1371)
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

  • 107 individuals affected (residents of the reporting state), according to the Maryland Attorney General security breach notices, source date Dec. 1, 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 44779)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Macmillan 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.

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