Cornerstone First Mortgage data breach

Clerk's notes

Cornerstone First Mortgage formally reported a security incident to the Massachusetts Attorney General on March 5, 2026. The company is currently investigating the scope and nature of this event, which involves the potential compromise of personal information.

As a residential mortgage lender, Cornerstone First Mortgage handles a significant volume of personal information necessary for originating and servicing home loans. Such companies are high-value targets for cyberattacks due to the sensitive nature of the data they manage.

If you have received a data breach notification letter from Cornerstone First Mortgage, it indicates that your personal information was potentially affected. It is prudent to remain vigilant for any unusual account activity or communications that seem out of place following such a notice.

Individuals whose personal information is compromised in a data breach may face increased risks, including potential misuse of their data. Companies that handle personal information are legally obligated to protect it under various regulations, including state-specific laws in Massachusetts.

Receiving a notification letter establishes your potential standing to understand legal options. If your personal information was involved in this incident, you may be entitled to a free case review to discuss what happened and any available remedies. There is no cost to you unless we successfully recover compensation.

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