Did MasTec have a data breach?

In plain terms

MasTec, an infrastructure construction company, officially reported a data security incident to the South Carolina Attorney General on June 5, 2026. The company confirmed unauthorized access to its systems, indicating that personal information may have been compromised. Individuals who received a notification letter should review its contents for specific details.

MasTec, a prominent company in infrastructure construction and engineering, reported a data security incident to the South Carolina Attorney General's office on June 5, 2026. This official filing confirms that unauthorized access to the company's systems occurred.

The specific types of personal information involved in this incident were not detailed in the public filing. However, if you received a formal data breach notification letter from MasTec, it means your personal information was stored within their systems and potentially exposed during this event.

Such incidents can involve various types of personal data collected by companies for operational purposes. The notification letter you received from MasTec is intended to inform you directly about the incident and offer guidance on steps you can take to protect your information.

To safeguard your personal information, it is generally recommended to remain vigilant. Closely monitor your financial accounts and credit reports for any suspicious activity. Be cautious of unsolicited emails, calls, or messages that ask for your personal details, as these could be phishing attempts. Consider placing a fraud alert or security freeze on your credit if you are concerned.

This information is based on public filings made with the South Carolina Attorney General's office. DataBreachSearch.com provides this detail to help individuals verify reports and understand the facts of officially reported data security incidents.