BreachCensus

Mattson Technology, Inc.

United States of America

Mattson Technology, Inc. is an organisation in California. It appears on the Massachusetts Attorney General breach-notification register and the California Attorney General breach-notification register with 3 confirmed incidents; the most recent notice was filed on September 24, 2024.

Data as of August 31, 2026.

Confirmed incident

US-CA

Occurred
April 11, 2023
Disclosed
September 24, 2024

Timeline

  1. September 24, 2024
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
What a California notice means

Required under Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.

Note: no affected-count is published on this register.

California breach-notification register ↗

Confirmed incident

US-CA

Occurred
July 8, 2022
Disclosed
October 27, 2023

Timeline

  1. October 27, 2023
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
Confirmed incident

US-MA

Disclosed
March 17, 2023

Timeline

  1. March 17, 2023
    Reported to regulator Regulator

    MA AG breach notification: 11 Massachusetts residents affected

    source
What a Massachusetts notice means

Required under M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

Note: the count is Massachusetts residents only, not a total.

Massachusetts breach-notification register ↗