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Regulator-posted notice

Breach notice filed by Mattson Technology, Inc. (September 2024)

Organization named: Mattson Technology, Inc. Provisional: identity as filed, not yet matched to the directory

What the sources say

California Attorney General data security breach list Primary notice

Posted on the California Attorney General data security breach list with a submission date of Sept. 24, 2024.

Organization as reported
Mattson Technology, Inc.
Incident dates as reported
April 11, 2023 to April 29, 2023
Submission date
Sept. 24, 2024
Observed by BreachRecords
2026-10-19 05:00 UTC (revision 50252, nid:592359)
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

The linked sources report no figure for this record.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

  • Submission date (California Attorney General data security breach list)
  • Observed by BreachRecords (revision 50252)
  • Approved by a reviewer

Organizations linked by a reviewer

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

Archived evidence

  • 0ae34d98d52829183da48e851ccf8145af5937b73df6b5cce3b83fc2dae07f34
    text/html, 88,778 bytes, retrieved from California Attorney General data security breach list, 2026-10-19 05:00 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

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