Mouna Hanna


Mouna Hanna Professional Corporation


Mouna is the national Chair of the firm’s Cyber, Privacy and Data Protection Group. Mouna represents clients in the private and public sector in claims involving cybersecurity incidents, privacy breaches, professional negligence and complex bodily injury. Mouna is designated as a Certified Information Privacy Manager (CIPM) through the IAPP and holds a Certificate in Privacy Law and Cybersecurity from Osgoode.

Mouna routinely acts as a breach coach and defence counsel in claims involving ransomware, email breaches, data security, data loss, wire fraud. She provides strategic and practical advice to clients on their obligations under Canada’s Federal and Provincial privacy laws and assists them in developing and updating their incident response plans.

Mouna has significant litigation experience that assists her when representing lawyers, IT service providers, data controllers and other professionals in third party litigation stemming from wire fraud, data breaches and data loss. She is often called upon to commence litigation to trace and recover lost funds following social engineering attacks. She is a strong advocate for her clients at trial, in arbitration and in summary judgment motions.

Mouna sits on the executive of the Board of Director of Canadian Defence Lawyers and is the current Treasurer. She is also a member of the OBA’s Privacy and Access to Information committee.

In 2021, Mouna was recognized by Lexpert as a “Leading Lawyer to Watch” and was awarded the Richard B. Lindsay QC Exceptional Young Lawyer Award by Canadian Defence Lawyers. In 2019, Mouna was seconded to the claims department of a major global insurer, handling a variety of specialty line claims.

When not working, Mouna enjoys spending time with her family, staying active and cheering on her beloved Detroit Lions.

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Certificate in Privacy Law and Cybersecurity, Osgoode Hall Law School, 2021

Certified Information Privacy Manager (CIPM), International Association of Privacy Professionals (IAPP), 2018

J.D., University of Ottawa, 2011

B.A. (French Language & Literature), University of Western Ontario, 2008

Professional Memberships & Affiliations

Called to the Ontario Bar in 2012
Board of Directors of Canadian Defence Lawyers, 2019 – Present
Board of Directors of the Canadian Defence Lawyers Foundation, 2021 – Present
Past Chair of the Young Lawyers Committee of Canadian Defence Lawyers, 2018 – 2019
Honorary Member of the Canadian Insurance Adjusters’ Association
Executive Member of the Privacy and Access to Information Section of the Ontario
Member of the Bar Association, 2019 – Present
Member of the Toronto Lawyers’ Association


Recognized in the 2024 Canadian Legal Lexpert Directory

Recognized by Lexpert as a “Leading Lawyer to Watch” (Commercial Insurance), 2021

Awarded the Richard B. Lindsay QC Exceptional Young Lawyer Award by Canadian Defence Lawyers, 2021