Latest / California / September 2024

Mattson Technology, Inc.

Mattson Technology, Inc. notified California AG on Sep 24, 2024 of a data breach, which occurred between Apr 11, 2023 and Apr 29, 2023.

Organization
Mattson Technology, Inc.
Source
California AG · source record
Date reported
Sep 24, 2024
Date(s) of breach
04/11/2023, 04/29/2023
Residents affected
Not published by this source
Data exposed
Not stated in the source listing
Notice letter
Not available
First seen by BreachTally
2026-10-30 15:39 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

Other filings by Mattson Technology, Inc.

OrganizationSourceStateReportedResidents affectedData exposed
Mattson Technology, Inc. California AG CA Oct 27, 2023 Not published Not stated
First seen by BreachTally at 15:39 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the data types and the letter. Start a 14-day free trial.

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.