Morrison Mahoney LLP Discloses Data Security Incident to Massachusetts AG

Morrison Mahoney, LLP, a prominent law firm headquartered in Massachusetts, officially reported a data security incident to the Massachusetts Attorney General's Office on June 16, 2026. The firm indicated that it is currently investigating the full scope and nature of this event, which involves unauthorized access to its data.

Law firms like Morrison Mahoney routinely handle and store vast amounts of confidential information for their clients and internal operations. This includes personal data and proprietary documents across various industries, making such entities significant targets for cyber incidents.

While the specific categories of data involved in this incident have not been disclosed, unauthorized access to a firm's systems typically means that sensitive information could be at risk. Such exposure can potentially lead to the misuse of personal information.

If you receive a direct notification letter from Morrison Mahoney, LLP concerning this incident, it is crucial to review the details provided carefully. The letter will contain specific guidance relevant to your situation.

Generally, it is advisable to remain vigilant for any unusual account activity or communications. Monitoring your credit reports and financial statements for unauthorized transactions can help identify potential issues promptly.

Staying informed about common scams and phishing attempts is also a useful precaution, as threat actors may try to exploit such incidents.