Mouna Hanna

Mouna Hanna (She/Her)

Mouna Hanna is a partner in the Toronto office and the national lead of the firm’s Cyber and Privacy Liability Practice Group. Mouna was called to the Ontario Bar in 2012 after graduating from the University of Ottawa with her law degree in 2011. She has been practicing insurance defense litigation for her entire career.

In 2021, Mouna was recognized by Lexpert as a “Leading Lawyer to Watch” in the area of commercial insurance. She was also the recipient of the 2021 Richard B. Lindsay QC Exceptional Young Lawyer Award, awarded by Canadian Defence Lawyers.

Her practice includes claims involving cyber and privacy breaches, professional liability, employment and human rights, complex personal injury, occupiers’ liability, liquor liability and sports and recreation. In 2019, Mouna was seconded to the claims department of a major global insurer, handling a variety speciality lines claims.

Mouna routinely acts as a cyber and privacy “breach coach” and defence counsel to organizations across various industries and sectors that are involved in cyber related incidents, breach of privacy claims and third-party litigation. She advises clients on their obligations under Canada’s various Federal and Provincial privacy laws and assists small and large organizations throughout each step of high profile and complex breaches. Mouna also represents IT security companies in professional liability claims following a cyber security incident.

Mouna is a Certified Information Privacy Manager (CIPM) designated through the International Association of Privacy Professionals and holds a Certificate in Privacy Law and Cybersecurity from Osgoode Hall Law School. She sits on the Board of Directors of the Canadian Defence Lawyers and on the Ontario Bar Association’s Privacy & Access to Information Section committee. Mouna is also a contributing author of the book “Cyber Liability and Cyber Insurance in Canada”, published by Thomson Reuters in 2020.

Mouna has extensive experience working with insurers to understand how cannabis legalization affects various types of insurance claims and policies. She has worked with her clients to draft and revise Canadian policy wordings related to cannabis specific products. Mouna regularly presents to industry and claims professionals on the impact of cannabis legalization on social and commercial host liability, cyber and privacy issues, residential tenancies, employment and human rights, product liability and risk management strategies.

Professional and Community Involvement

  • Law Society of Upper Canada (2012)
  • Canadian Defence Lawyers – Board of Directors
  • Canadian Defence Lawyers – Chair of the Young Lawyers Committee 2018/2019
  • Ontario Bar Association – Privacy & Access to Information Section

Select Papers and Presentations

  • Speaker – “Cyber Insurance Coverage: Current Issues and Solutions”, Osgoode, March 24, 2021
  • Panelist – “Using Waivers Effectively – Practical Considerations to Protect Your Organization”, Canadian Lawyer Magazine, January 27, 2021
  • Panelist – “It Can Happen To You: Technology and Family Law”, 14th Annual Family Law Summit, Law Society of Ontario, October 1, 2020
  • Speaker – “Cyber Insurance in 2019 – An update on Breach Trends, Emerging Threats and the Legal Landscape”, Toronto Broker Continuing Education Workshop, Beazley, June 18, 2019
  • Speaker – “Fact or Fiction: Understanding Professional & Cyber Risk”, Alberta Institute of Agrologists, April, 2019
  • Chair & Speaker – “Bill C-45: Impact on Insurance Issues Audioconference”, Canadian Defence Lawyers, July 24, 2018
  • Speaker – “The Impact of Marijuana Legalization on Property/Residential Tenancies, Product Liability and D&O Insurance”, CDL/CIAA/CICMA Roundtable Discussion, February 6, 2018
  • Chair – “Winter Is Coming – Time to Brush Up on Icy Sidewalk Cases”, Canadian Defence Lawyers, December 12, 2017
  • “Defending Major Personal Injury Losses”, Xchanging, Lloyd’s of London, April, 2017
  • Chair – “Annual Boot Camp for New Defence Lawyers”, Canadian Defence Lawyers, September, 2016
  • Chair – “Arguing Contested Motions: How to Effectively and Properly Argue Contested Motions”, May, 2016
  • Chair – “Municipal Liability: Fordham v. Dutton-Dunwich”, 2014 ONCA 891, January, 2015
  • “How Can Building Owners/Managers Avoid Slip, Trip and Fall Claims?”, GTA & Beyond: Canadian Property Management, Vol. 22 No. 7, 2015

Mouna Hanna's practice areas include:


Complex Personal Injury

Occupiers’ Liability

Cyber and Privacy Liability

Employment Practice Liability

Hospitality – Liquor Liability, Social and Commercial Host Liability

Professional Liability

Sports and Recreational Liability

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