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Regulator-posted notice

Breach notice filed by Brookside Advisors (November 2023)

Organization named: Brookside Advisors Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Unauthorized malware was downloaded on an employee’s workstation

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 Nov. 13, 2023.

Organization as reported
Brookside Advisors
Category as reported
Unauthorized malware was downloaded on an employee’s workstation
Information types as reported
Clients’ name, address, date of birth and social security number
Submission date
Nov. 13, 2023
Observed by BreachRecords
2026-10-19 05:01 UTC (revision 46399, list:Security-Breach-Notices-2023:item:2991)
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

  • 1 individuals affected (residents of the reporting state), according to the Maryland Attorney General security breach notices, source date Nov. 13, 2023, 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 46399)
  • Approved by a reviewer

Organizations linked by a reviewer

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

Archived evidence

  • 71062c505aa0185b949747dddca9cc23ccd62227a98e1d4cc5a8b69e9b807b02
    application/json, 1,271,867 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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