MasTec data breach
MasTec reported a data breach to New Hampshire authorities on June 4, 2026, confirming an exposure of personal information. The incident is currently under investigation, and individuals who received a notification should understand what steps to take to protect their data.
Docket sheet
- Company
- MasTec
- Venue
- NH Attorney General
- Filed
- June 4, 2026
- People affected
- Not stated
- Status
- Investigation Open
Where this breach stands
- 1
Breach occurred
The filing does not state when the incident happened.
- 2
Reported to the NH Attorney GeneralJune 4, 2026
The company filed a breach notification with the state regulator.
- 3
Attorney reviewCurrent stage
Current status: Investigation Open. Our office is reviewing whether affected people may have claims.
- 4
Your case review
Got a letter about this breach? Submit it for a free, confidential review.
Clerk's notes
MasTec has officially filed a data breach notification with New Hampshire regulators on June 4, 2026. This filing confirms that an incident involving the exposure of personal information has occurred, and the matter is presently under investigation.
The specific nature and categories of the personal information involved have not been publicly detailed. However, any exposure of an individual's data can lead to concerns about potential misuse, depending on the information compromised.
For those who received a notification regarding this MasTec incident, it is prudent to remain vigilant. The immediate concern is to understand the potential risks associated with the reported exposure of your personal information.
While the investigation proceeds, individuals should monitor their accounts and be wary of any unexpected communications. Keeping a close eye on your financial statements and other personal records can help detect any suspicious activity early.
Understanding your rights as someone affected by a data breach is important. If you received a data breach notification from MasTec, you may be eligible to request a free case review to learn more about the implications of this incident and any potential steps you can take.
If a notification letter about this breach reached you, see every NH data breach on file or browse all cases.
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Attorney advertising. A docket entry reflects a public regulator filing and our review status; it does not mean a lawsuit has been filed. Submitting a review request does not create an attorney-client relationship.