The full-service law firm McLaughlin & Stern has reported that it experienced a significant data breach security incident. It stated that sensitive personal identifiable information in its care may have been compromised by an unknown party. McLaughlin & Stern is a New York-based law firm for businesses and individuals that was founded in 1898. The firm delivers legal guidance across corporate, litigation, and trusts and estates, with a team of over 100 attorneys.
In the sample breach notice, McLaughlin & Stern does not elaborate on the specific nature of the security incident. While the information impacted varies depending on the individual, the type of information potentially exposed is quite sensitive. This exposed data includes names, Social Security numbers, and also some very important private financial account information. The lack of specific details about the attack creates some uncertainty for all of the individuals who were affected.
On July 3, 2025, the firm reported to the Attorney General of Massachusetts about the security incident.
As a result of this data breach, the law firm McLaughlin & Stern began providing notice to impacted individuals. Based on the notice that was sent to Massachusetts residents, the firm is providing some helpful assistance. It is providing all affected individuals with a list of the specific types of sensitive information that were impacted. The firm is also offering complimentary credit monitoring services to all of the affected parties for their protection. This is a standard and important step for companies to take after a major data breach security incident.
The firm has not yet disclosed how its systems were impacted or how the unauthorized access actually occurred.
This data breach represents a very significant security event for the prestigious New York-based law firm. The incident highlights the ongoing cybersecurity risks that are facing many different professional services firms today. Affected individuals must remain vigilant and take advantage of the offered credit monitoring services to protect themselves. The investigation into the root cause of the incident is still ongoing by the company and security experts. The firm has not yet stated how many individuals were impacted by this significant data breach security incident.
Reference:
