Mattson Technology, Inc.

Mattson Technology, Inc. disclosed that an unauthorized individual accessed its network between April 11 and April 29, 2023, and accessed or removed certain files. The company detected suspicious activity on April 30, 2023. The incident potentially impacted individuals' names, Social Security numbers, and financial account information. Mattson secured its network, reported the incident to federal law enforcement, and is offering credit monitoring to affected individuals.

Mattson Technology, Inc. disclosed that an unauthorized individual accessed its network between July 8, 2022, and October 3, 2022, following a phishing email received by employees on October 3. The attacker accessed and/or removed files containing personal information, including names, Social Security Numbers, and financial account data. Mattson secured its network, engaged third-party specialists, and notified law enforcement. Affected individuals are offered credit monitoring.

Mattson Technology, Inc. notified the New Hampshire AG of a data event affecting 4 NH residents. Between July 8 and Oct 3, 2022, an unauthorized actor accessed the network after employees received a suspicious email. Names and SSNs were potentially accessed. Investigation ongoing as of March 2023 filing.

Mattson Technology, Inc. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-03-17. 11 Massachusetts residents were affected. The report records the breach type as electronic.

Mattson Technology, Inc. reported an external system breach that occurred between July 8, 2022, and October 3, 2022, and was discovered on February 16, 2023. The breach affected 2 Maine residents, compromising their names and Social Security Numbers. The company provided written notification and offered 12 months of credit monitoring services through Equifax to those affected.

Mattson Technology, Inc. notified Montana residents of a security incident where an unauthorized individual accessed the network between July 8 and October 3, 2022, following a suspicious email on October 3, 2022. The incident involved the access and removal of files containing personal information. Mattson engaged third-party specialists, notified law enforcement, and offered 12 months of credit monitoring.

Mattson Technology, Inc. notified consumers of a security incident where an unauthorized individual accessed the network between July 8 and October 3, 2022, following a suspicious email received by employees on October 3, 2022. The incident involved the access and removal of files containing personal information. Mattson engaged third-party specialists, reported to federal law enforcement, and offered 12 months of credit monitoring.