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Kurt J. Lesker Company data breach investigation

Kurt J. Lesker Company has reported a data security incident to Vermont authorities, confirming unauthorized access to its network. This breach exposed sensitive personal data, including Social Security Numbers and banking details, creating significant risks for affected individuals.

Filed
September 16, 2026
Regulator
Vermont AG
People affected
Not stated
File status
Monitoring

What the filing confirms

  • Kurt J. Lesker Company reported the incident to the Vermont Attorney General.
  • Information involved: Full Name, Social Security Number, Date of Birth, Mailing Address, Wage and Compensation Information, Direct Deposit Account Details, Tax Return Information, Phone Number.

Still unknown

  • 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.
Read the filing at the source

Investigation notes

Kurt J. Lesker Company, a global manufacturer in vacuum science technology, has formally reported a data security incident to Vermont authorities. The filing, dated September 16, 2026, indicates that unauthorized actors successfully gained access to its network environment, leading to the compromise of personal information.

The investigation into this incident focuses on understanding the full scope of the compromise. The exposed data categories include Full Name, Social Security Number, Date of Birth, Mailing Address, Wage and Compensation Information, Direct Deposit Account Details, Tax Return Information, and Phone Number. The exposure of such comprehensive personal and financial details significantly heightens the risk of identity theft, various forms of fraud, and targeted phishing schemes for those affected.

Companies entrusted with sensitive personal data bear a legal responsibility to implement robust security measures to prevent unauthorized access and data exfiltration. The occurrence of a security breach at Kurt J. Lesker Company raises important questions about the adequacy of their digital infrastructure defenses and their adherence to industry-standard data protection protocols. Our investigation will examine whether the company met its duty to safeguard this private information.

If you have received an official data breach notification letter from Kurt J. Lesker Company, it serves as confirmation that your personal data was compromised in this incident. This notification establishes your standing to explore potential legal claims against the company for its failure to secure your information. You do not need to prove out-of-pocket financial loss to join a legal review of the situation.

Understanding your rights and options after a data breach can be complex. We offer a no-cost, no-obligation case review for individuals impacted by the Kurt J. Lesker Company data breach. Our firm handles these types of cases on a contingency fee basis, meaning there are no upfront costs to you, and we only receive payment if we successfully recover compensation on your behalf.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether Kurt J. Lesker Company 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 Vermont.

Kurt J. Lesker Company data breach questions

How many people were affected by the Kurt J. Lesker Company data breach, and what was exposed?
The filing does not give a count of affected people and lists the following information as involved: Full Name, Social Security Number, Date of Birth, Mailing Address, Wage and Compensation Information, Direct Deposit Account Details, Tax Return Information, Phone Number. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Is the Kurt J. Lesker Company data breach letter legit or a scam?
A notice from Kurt J. Lesker Company in the mail matches the breach Kurt J. Lesker Company reported to the Vermont Attorney General on September 16, 2026. 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 Kurt J. Lesker Company through a phone number or website you find yourself.
Did Kurt J. Lesker Company offer free credit monitoring?
Look for an enrollment code in your Kurt J. Lesker Company notice. Companies that offer free credit monitoring after a breach usually include it there, with a deadline to activate. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Enrolling does not give up your right to bring a claim.
Is there a Kurt J. Lesker Company 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 Kurt J. Lesker Company. 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 Kurt J. Lesker Company 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.
Where can I see the official Kurt J. Lesker Company breach notice?
Kurt J. Lesker Company's report is published by the Vermont Attorney General: https://ago.vermont.gov/categories/security-breach-notices#kurt-j-nbsp-lesker-company-2026-09-16 Compare it with the letter you received to confirm the dates and details match.
Do I need a Kurt J. Lesker Company 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 Kurt J. Lesker Company over the data breach?
It depends on what was exposed, the law in Vermont 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 Kurt J. Lesker Company data breach settlement or claim be worth?
There is no set amount, and no Kurt J. Lesker Company 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. The filing lists Full Name, Social Security Number, Date of Birth as involved. Keep receipts and records; they're what damages claims are built on.

Other open files in Vermont

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.