Did MasTec, Inc. have a data breach?

In plain terms

MasTec, Inc. submitted a data breach notification to Maine regulators on June 5, 2026. The company indicated that an investigation into the security incident involving personal information is currently underway. Individuals potentially affected should monitor for direct communications from MasTec, Inc. for more specific details.

MasTec, Inc. has reported a data security incident to regulators in Maine. The company filed its official notification on June 5, 2026, indicating that it is currently investigating the scope and nature of the breach.

The public filing from MasTec, Inc. does not specify the types of personal information that may have been involved in this incident. The company's report emphasizes that the investigation is still ongoing to determine all pertinent details.

Individuals whose personal information may have been affected by this incident are encouraged to review any direct notifications they receive from MasTec, Inc. These notifications are expected to provide specific information about the breach and offer guidance on protective measures.

During this period, it is a good practice to remain vigilant regarding your personal accounts and information. Regularly review financial statements and credit reports for any unauthorized activity. Exercise caution with unsolicited communications, especially those asking for personal details, as they could be attempts to exploit the situation.

This information is derived from the public data breach filings made by MasTec, Inc. with state regulatory authorities.