Mariah Leffingwell

Junior Partner | Litigation

About

Mariah Leffingwell advises clients on various data privacy, cybersecurity, and other regulatory matters. She strives to provide clients with value-added counsel that aligns with their business objectives. Mariah is experienced in conducting gap assessments for clients based on the CCPA and GDPR, and other regulatory frameworks. She stays abreast of developments in cybersecurity best practices to advance client objectives in privacy in both the public and private sectors.


Practices

  • Cyber, Privacy & Technology

Admissions

  • District of Columbia

  • Maryland


Education

  • Masters of Law, Tulane University School of Law, New Orleans, Louisiana, Admiralty & Maritime Law

  • J.D., Roger Williams University School of Law

  • B.A., St. Mary's College of Maryland


Recognitions

  • Named among Best Lawyers: Ones to Watch® for Privacy and Data Security Law (2026); Technology Law (2026) by Best Lawyers

Experience

  • Clark Hill PLC

Publications

  • Leffingwell, Mariah and Palmer, Pamela. “Navigating Cybersecurity Preparedness – Incident Response in the Maritime Industry,” American Bar Association, Tort Trial and Insurance Practice Section– Admiralty and Maritime Law, Spring 2022


Speaking Engagements

  • “Law Firm Hacks: The Ethical and Other Implications of a Data Security Incident at Your Firm,” ABA Tort Trial and Insurance Practice Section of ABA, New York, New York, May 2023