MasTec data breach

Clerk's notes

MasTec, a prominent infrastructure construction and engineering company, officially reported a data security incident to the South Carolina Attorney General on June 5, 2026. The company confirmed that unauthorized access occurred within its systems.

This breach may have compromised personal information maintained by MasTec. If you have received a formal data breach notification letter directly from MasTec, it indicates that your data was stored within their systems at the time of the incident.

Individuals who have received a notification are urged to carefully review its contents for specific recommendations. It is also prudent to monitor all financial accounts and credit reports for any unusual activity. Reporting any suspicious transactions to your bank or credit card company immediately is an important protective measure.

The incident is currently under investigation, and MasTec's filing with the South Carolina Attorney General initiates a formal record of the event. Data breaches can expose individuals to various risks, underscoring the importance of vigilance.

Understanding the implications of a data breach and your available options is vital. You may have legal rights following the unauthorized access to your personal information.

If you received a data breach notification from MasTec, consider requesting a free case review. This can help you understand the potential impact of this incident on your personal information and determine if further action is appropriate.

If a notification letter about this breach reached you, see every South Carolina data breach on file or browse all cases.