Strauss Borrelli PLLC, a leading data breach law firm, is investigating Cullen, Haskins, Nicholson & Menchetti, P.C. regarding its recent cybersecurity incident. The CHNM cybersecurity incident may impact the privacy of sensitive personal information belonging to an undetermined number of individuals.
ABOUT CULLEN, HASKINS, NICHOLSON & MENCHETTI, P.C:
CHNM is a law firm based in Illinois that concentrates its practice in representing employees who have been injured on the job.1 Founded in 1962, Cullen, Haskins, Nicholson & Menchetti has represented injured workers since before the Illinois Workers’ Compensation Commission, formerly known as the Illinois Industrial Commission.2 Headquartered in Chicago, Illinois, Cullen, Haskins, Nicholson & Menchetti represents clients across the state of Illinois.2
WHAT HAPPENED?
Recently, online sources reported that Cullen, Haskins, Nicholson & Menchetti experienced a cyberattack resulting in a data breach. According to these reports, a hacker group recently added Cullen, Haskins, Nicholson & Menchetti to its data leak site on September 3, 2025. The hacker group claims to have acquired 540 GB of data, including financials, HR information, closed and active cases, private client data, and email mailboxes and correspondence. As of September 11, 2025, Cullen, Haskins, Nicholson & Menchetti has neither commented on nor confirmed whether it has suffered a data breach.
If you believe that you have been impacted by the Cullen, Haskins, Nicholson & Menchetti, P.C. cybersecurity incident:
We would like to speak with you about your rights and potential legal remedies in response to this data breach. Please fill out the form, below, or contact us at 872.263.1100 or sam@straussborrelli.com.
