Got a notice from MasTec? Here’s what to do.
MasTec, an infrastructure company, reported a data security incident to the South Carolina Attorney General on June 5, 2026. This means unauthorized people accessed their systems, and your personal information may have been involved. If you received a letter from MasTec, it's important to understand what steps you can take to protect yourself now.
Your checklist
- 1
Keep the letter
Save the notice from MasTec and its envelope. The date you were told can matter for legal deadlines.
- 2
Freeze your credit
The filing does not list what was taken, so play it safe. A free freeze at Equifax, Experian and TransUnion stops new accounts being opened in your name.
- 3
Change reused passwords
Change any password you used with this company or reused elsewhere, and turn on two-factor sign-in.
- 4
Get a free claim review
Our legal team checks whether you can be paid for this breach. No fee unless you recover.
Step 4: free claim review
Tell us you got the MasTec notice. An attorney, not a call center, reads it and tells you plainly whether you have a claim.
- Free, no obligation
- No fee unless you recover
- Reply within 24 hours
About the MasTec breach
- Reported to
- South Carolina Attorney General
- Date filed
- June 5, 2026
- People notified
- Not stated
- Cause in filing
- Not stated
If you received a data breach notification letter from MasTec, you might be feeling concerned. MasTec recently reported to the South Carolina Attorney General on June 5, 2026, that unauthorized access occurred within their computer systems.
This incident means that personal information stored by MasTec may have been exposed. While the letter doesn't specify all details, it indicates that your data was involved. Understanding what this means for you personally and taking action is key to protecting yourself.
Your first step is to carefully read the notification letter from MasTec. It may contain important details about how to protect yourself. Be extra cautious about unexpected emails, texts, or calls that ask for your personal information, as these could be scams trying to use the exposed data.
Consider placing a fraud alert on your credit files. You can do this with one of the three major credit bureaus, and they will share the alert with the others. Also, review your credit reports regularly for any unusual activity. This helps you spot potential misuse of your information early.
Dealing with a data breach can be overwhelming, but you don't have to face it alone. Our team is here to help you understand your options and can offer a free review of your claim. We can help you check if you are eligible for any legal action.
MasTec data breach questions
- Is the MasTec data breach letter legit or a scam?
- A notice from MasTec in the mail matches the breach MasTec reported to the South Carolina Attorney General on June 5, 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 MasTec through a phone number or website you find yourself.
- Did MasTec offer free credit monitoring?
- Any free monitoring MasTec is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Enrolling does not give up your right to bring a claim.
- Is there a MasTec 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 MasTec. 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 MasTec 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 MasTec 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 MasTec over the data breach?
- It depends on what was exposed, the law in South Carolina 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 MasTec data breach settlement or claim be worth?
- There is no set amount, and no MasTec 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 notices sent in South Carolina
- Frontline EducationSouth Carolina Attorney General · Filed October 27, 2026Count not stated
- Navigate360, LLCSouth Carolina Attorney General · Filed October 27, 2026Count not stated
- AssuranceAmerica Managing General Agency, LLCSouth Carolina Attorney General · Filed October 14, 2026Count not stated
- JM Bullion, Inc.South Carolina Attorney General · Filed October 13, 2026Count not stated
- iRhythmSouth Carolina Attorney General · Filed October 6, 2026Count not stated
- World Acceptance CorporationSouth Carolina Attorney General · Filed September 30, 2026Count not stated
Attorney advertising. This page reflects a public regulator filing; 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.