All Breaches
August 9, 2025 Verified Sensitive Record Construction

MasTec Data Breach

The 2025 MasTec data breach is a security incident reported by the infrastructure company to the Texas Attorney General involving personal information belonging to 25,220 people.

25.2 Thousand
Affected People
5
Data Types
Medium
Severity
Yes
Verification

Exposed Data Types

5
Names
Physical addresses
Social security numbers
Financial information
Dates of birth

Additional Information

Added DateAugust 2, 2026
Breach DateAugust 9, 2025
Domainmastec.com
SourcePersonal-data breach reported to the Texas Attorney General
Last Content UpdateAugust 2, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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Company Information

Company NameMasTec, Inc.
SectorConstruction
CountryUnited States
Websitemastec.com

Risk Level

Medium

The reported impact exceeds 10 thousand and falls within the medium severity band.

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