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SMC Corporation of America/ Advanced Pressure Technology (APTech) data breach investigation

Filed
March 10, 2025
Regulator
California AG
People affected
Not stated
File status
Investigation Open

What the filing confirms

  • SMC Corporation of America/ Advanced Pressure Technology (APTech) reported the incident to the California Attorney General.

Still unknown

  • Which categories of personal information were taken. The filing does not list them.
  • How many people were affected. The filing does not give a number.
  • What caused the incident beyond the description in the filing.
  • How the attackers got in, and whether basic safeguards such as multi-factor sign-in were in place.

Investigation notes

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.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether SMC Corporation of America/ Advanced Pressure Technology (APTech) used reasonable security, how long it kept the data, and how quickly it told the people affected. Those questions decide whether a class action or individual claim is possible. Read more on how ransomware lawsuits work, or browse other incident files in California.

SMC Corporation of America/ Advanced Pressure Technology data breach questions

Is the SMC Corporation of America/ Advanced Pressure Technology data breach letter legit or a scam?
A notice from SMC Corporation of America/ Advanced Pressure Technology in the mail matches the breach SMC Corporation of America/ Advanced Pressure Technology reported to the California Attorney General on March 10, 2025. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact SMC Corporation of America/ Advanced Pressure Technology through a phone number or website you find yourself.
Did SMC Corporation of America/ Advanced Pressure Technology offer free credit monitoring?
Check your letter from SMC Corporation of America/ Advanced Pressure Technology. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Signing up doesn't waive any legal rights you may have.
Is there a SMC Corporation of America/ Advanced Pressure Technology data breach class action lawsuit?
Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against SMC Corporation of America/ Advanced Pressure Technology. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
What should I do after getting the SMC Corporation of America/ Advanced Pressure Technology data breach notice?
Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Do I need a SMC Corporation of America/ Advanced Pressure Technology data breach lawyer or attorney?
An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.
Can I sue SMC Corporation of America/ Advanced Pressure Technology over the data breach?
It depends on what was exposed, the law in California and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
How much could a SMC Corporation of America/ Advanced Pressure Technology data breach settlement or claim be worth?
There is no set amount, and no SMC Corporation of America/ Advanced Pressure Technology settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.

Other open files in California

Attorney advertising. An incident file reflects a public regulator filing and our review of it; it does not mean a lawsuit has been filed or that the company did anything unlawful. Submitting a review request does not create an attorney-client relationship.