Posillico, Inc. data breach

Clerk's notes

Posillico, Inc., a prominent civil engineering and heavy construction firm, officially reported a data security incident to the New Hampshire Attorney General on January 14, 2026. This report confirms that the company, which manages complex infrastructure projects, experienced unauthorized access to its internal systems.

While the specific details of the breach type remain undisclosed, the incident potentially involved the exposure of personal information. Posillico, Inc. typically stores various types of data for its employees and contractors, including details required for payroll, tax documentation, and government-issued identification purposes.

The status of this incident is currently listed as "investigating." If you have received a formal data breach notification letter from Posillico, Inc., it indicates that your personal information was likely among the files accessed by unauthorized parties. It is important to review this letter carefully, as it will contain the most accurate information regarding your specific situation and any identity protection services offered.

As a precautionary measure, individuals potentially affected by this breach should remain vigilant. Monitor your financial accounts and credit reports for any unusual activity. Be cautious of unsolicited communications, such as emails or calls, that may attempt to solicit further personal information, as these could be phishing attempts.

If you believe your personal information was compromised in this incident and you have received an official notification, you may be eligible to seek a free case review. This review can help clarify your options and potential next steps without any obligation.

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