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Investigation OpenTX AG filing · June 9, 2026

MasTec, Inc. Files Report on Data Breach Affecting Personal Information

MasTec, Inc., based in Texas, officially reported a data breach impacting personal information, according to a public filing. The incident, which occurred in August 2025, is currently under investigation.

State
TX
Breach date
August 9, 2025
Reported
June 9, 2026

MasTec, Inc., based in Texas, has officially reported a data breach. The incident occurred on August 9, 2025, and the company filed its report on June 9, 2026.

According to the public filing, the specific nature of the breach and the exact types of personal information involved were not detailed. The report indicates that the information involved was personal in nature.

MasTec, Inc. also noted that the investigation into this security incident is currently ongoing. As a result, further specific details about the breach may not yet be public.

Individuals who may be affected are advised to stay alert for any unusual activity. General precautions include regularly checking financial and other account statements for discrepancies. Consider strengthening passwords on online services and enabling multi-factor authentication for added security.

This summary is based on the official breach filing from MasTec, Inc. If you received a direct notification letter, it should provide more specific information pertaining to your situation, which you can cross-reference with this public record.

Source: TX Attorney General filing

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