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Regulator-posted notice

Breach notice filed by Tentamus Group GmbH (April 2023)

Organization named: Tentamus Group GmbH Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Unauthorized access to computer 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 April 9, 2023.

Organization as reported
Tentamus Group GmbH
Category as reported
Unauthorized access to computer systems
Information types as reported
Name, date of birth, address, Social Security Number, copies of identification cards, bank account numbers, copies of employee tax documents (e.g., W-4s and I-9s), and in a few instances, copies of passports
Submission date
April 9, 2023
Observed by BreachRecords
2026-10-19 05:01 UTC (revision 45199, list:Security-Breach-Notices-2023:item:1791)
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 April 9, 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 45199)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Tentamus Group GmbH 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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