Brent J. Arnold

Brent J. Arnold

(He/Him)
Toronto, ON recognized lawyers icon Recognized in Best Lawyers since 2025
Capstan Legal

1 Best Lawyers award

Awarded Practice Areas

Privacy and Data Security Law

Biography

Brent J. Arnold is a seasoned litigator with over 20 years of experience specializing in cybersecurity, privacy, and commercial litigation. He has appeared before all levels of court in Ontario, including the Supreme Court of Canada, and has been recognized in Best Lawyers™ in Canada and the Lexpert Directory. His expertise lies at the intersection of law and technology, where he provides practical guidance on managing complex litigation, cyber risk and data breach response.

Brent is a sought-after public speaker and has been quoted in leading national newspapers, appeared several times on CBC television and radio, and hosts the Net Positive podcast.

Brent has held leadership positions in the Canadian Bar Association, the Ontario Bar Association, the Advocates’ Society, the International Association of Defense Counsel, and the Defense Research Institute. He currently serves as the Chair of the Canadian Internet Society, a thinktank that advocates for open, accessible, affordable and secure internet access for Canadians.

Capstan Legal

1 Best Lawyers award

Overview

Toronto, Ontario

  • Pronouns: He/Him
Toronto, Ontario

  • Pronouns: He/Him

Client Testimonials

Awards & Focus

Recognized in The Best Lawyers in Canada 2026 for work in:
  • Privacy and Data Security Law

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