The SMC Corporation of America/ Advanced Pressure Technology (APTech) Data Breach: Reported Filing Facts

SMC Corporation of America and its division, Advanced Pressure Technology (APTech), are industrial manufacturing and engineering firms specializing in high-performance fluid and gas control components. As a large-scale industrial entity, the company typically collects and maintains sensitive personnel data, including employee payroll records, tax documentation, and benefits administration information, as well as business-to-business vendor and client contact details. In 2025, the company officially reported a data security incident to the California Attorney General, confirming that unauthorized parties may have accessed internal systems. If you have received a formal data breach notification letter, it indicates that your personal information was likely stored within the affected environment. This notice is intended to inform you of the incident and the specific steps the company is taking to address the exposure of your sensitive data.

State: California
Breach date: December 3, 2024
Reported: March 10, 2025

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

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