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Tessco LLC data breach investigation

Tessco LLC disclosed a security incident to Indiana regulators on September 15, 2026, confirming that a data breach occurred on or about March 6, 2026. This breach exposed sensitive personal data, including Social Security Numbers and Internal System Credentials, raising concerns about the company's data protection measures.

Filed
September 15, 2026
Regulator
Indiana AG
People affected
Not stated
File status
Monitoring

What the filing confirms

  • Tessco LLC reported the incident to the Indiana Attorney General.
  • Information involved: Full Name, Social Security Number, Date of Birth, Email Address, Mailing Address, Employee ID Number, Wage and Compensation Information, Internal System Credentials.

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

Tessco LLC formally reported a security incident to the Indiana Attorney General on September 15, 2026, confirming that a data breach occurred on or about March 6, 2026. As a provider of technology and business services, Tessco LLC manages and stores significant volumes of sensitive records, making its security practices a critical area of investigation following this compromise.

The official filing details that the exposed information includes individuals' Full Name, Social Security Number, Date of Birth, Email Address, Mailing Address, Employee ID Number, Wage and Compensation Information, and Internal System Credentials. The presence of such a wide range of personal identifiers and credentials significantly elevates the risk for affected individuals.

For those whose data was compromised, the immediate and long-term implications are serious. The exposure of data such as Full Name, Social Security Number, and Date of Birth creates a persistent threat of identity theft, enabling unauthorized parties to potentially open new lines of credit or file fraudulent tax returns in your name. Additionally, compromised Internal System Credentials could lead to unauthorized access to other online accounts.

Tessco LLC is legally obligated to maintain robust cybersecurity safeguards to protect the sensitive personal data entrusted to its care. The occurrence of a breach of this magnitude suggests potential deficiencies in the company's administrative, physical, or technical security measures, prompting an inquiry into whether these duties were adequately met.

If you have received a notification letter from Tessco LLC, it is a formal acknowledgment that your private information was compromised. You should immediately change any potentially linked passwords, activate multi-factor authentication on all critical accounts, and consider placing a fraud alert or security freeze with credit reporting agencies.

Receiving a data breach notification establishes your legal standing to explore potential claims against Tessco LLC. This allows individuals to seek accountability for the increased risk and potential for future harm resulting from the exposure of their personal data, even if actual financial loss has not yet occurred.

We are actively investigating this incident and offer a free case review to help affected individuals understand their rights and potential legal options. Contact us to learn more about the Tessco LLC data breach and how we can assist you.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether Tessco LLC 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 Indiana.

Tessco LLC data breach questions

How many people were affected by the Tessco LLC 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, Email Address, Mailing Address, Employee ID Number, Wage and Compensation Information, Internal System Credentials. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Is the Tessco LLC data breach letter legit or a scam?
A notice from Tessco LLC in the mail matches the breach Tessco LLC reported to the Indiana Attorney General on September 15, 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 Tessco LLC through a phone number or website you find yourself.
Did Tessco LLC offer free credit monitoring?
Check your letter from Tessco LLC. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Signing up doesn't waive any legal rights you may have.
Is there a Tessco LLC 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 Tessco LLC. 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 Tessco LLC 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 Tessco LLC breach notice?
Tessco LLC's report is published by the Indiana Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#5tessco-llc-2026 Compare it with the letter you received to confirm the dates and details match.
Do I need a Tessco LLC 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 Tessco LLC over the data breach?
It depends on what was exposed, the law in Indiana 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 Tessco LLC data breach settlement or claim be worth?
There is no set amount, and no Tessco LLC 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 Indiana

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.