MAS Law disclosed a data breach after an unauthorized party accessed certain company systems in July 2025. The incident may have exposed sensitive personal information, and the firm is offering complimentary identity monitoring services through Kroll to affected individuals.
MAS Law’s Data Breach Investigation
MAS Law notified affected individuals about a cybersecurity incident involving unauthorized access to portions of its information systems. According to the firm’s notice, MAS Law became aware of a potential issue involving its systems on July 27, 2025.
After discovering the issue, MAS Law stated that it immediately took steps to secure its systems and launched an investigation with the assistance of a third-party forensics team. Through that investigation, the firm determined that an unauthorized party accessed some of its systems between July 13, 2025, and July 28, 2025.
As part of the investigation, MAS Law conducted an assessment to determine what sensitive personal information may have been impacted. The firm completed that assessment on April 20, 2026, and determined that certain individuals’ sensitive personal information may have been affected by the incident.
According to the notice, the potentially impacted information may have included individuals’ names, contact information, and additional sensitive personal data elements. The exact information involved appears to vary by person and may have been specified in individual notification letters.
Cybersecurity incidents involving law firms can be especially concerning because legal organizations may maintain highly sensitive client, employee, financial, legal, and identifying information. When unauthorized parties gain access to law firm systems, affected individuals may face risks including identity theft, financial fraud, phishing attempts, or misuse of confidential information.
MAS Law stated that it worked with law enforcement and notified regulators in response to the event. The firm also reported implementing additional technical security measures designed to further protect its systems and reduce the likelihood of a similar incident occurring in the future.
As an added precaution, MAS Law secured identity monitoring services through Kroll for affected individuals. The offered services are intended to help individuals monitor for potential identity theft or fraud-related activity following the breach. The notice instructed affected individuals to enroll online before the provided activation deadline.
Although the firm did not identify evidence of misuse in the notice provided, breaches involving sensitive personal information can create long-term risks. Criminals may attempt to use exposed data months or even years after a cybersecurity incident occurs.
Organizations that collect and store sensitive personal information may have obligations to maintain reasonable cybersecurity protections designed to prevent unauthorized access to that data. When those safeguards allegedly fail, affected individuals may seek to understand their legal rights and potential remedies related to the exposure of personal information.
When Did This Breach Occur?
MAS Law reported that an unauthorized party accessed certain company systems between July 13, 2025, and July 28, 2025.
The firm stated that it became aware of the potential issue on July 27, 2025, and completed its assessment of the potentially affected information on April 20, 2026.
What Information Was Breached?
According to MAS Law, the potentially impacted information may have included:
- Names
- Contact information
- Additional sensitive personal information
- Other data elements identified in individual notification letters
The exact information involved may vary by person.
What You Can Do
If you received a notification letter from MAS Law, review it carefully to determine what information may have been affected in your case.
Affected individuals may want to monitor financial accounts, review credit reports, and remain alert for suspicious activity or phishing attempts. Consumers should promptly report unauthorized activity to financial institutions, service providers, or law enforcement if suspicious transactions occur.
MAS Law is offering complimentary identity monitoring services through Kroll. Individuals who received notice should carefully review the enrollment instructions and activate the offered protections before the enrollment deadline provided in the letter.
Consumers concerned about identity theft may also consider placing fraud alerts or security freezes with the major credit reporting agencies to help reduce the risk of unauthorized accounts being opened in their names.
File a Data Breach Lawsuit Against MAS Law
If you received a data breach notification from MAS Law, you may have legal rights related to the exposure of your personal information. Data breach lawsuits may seek compensation for damages involving identity theft risks, fraud-related expenses, lost time, out-of-pocket costs, and loss of privacy.
Law firms and professional organizations that collect sensitive personal information may have obligations to maintain reasonable cybersecurity protections designed to safeguard that data from unauthorized access. When those protections allegedly fail, affected individuals may seek accountability and financial recovery.
Contact us at Class Action U, where we’ll connect you with a lawyer skilled in class action lawsuits. If you’ve been contacted about this breach, received notice, or discovered you were impacted, fill out our quick, easy, and secure form to sign up. There is no cost to reach out to our legal partner and no obligation after speaking with someone from our team.
