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ARTICLE · 14 MAY 2026

Protecting Privilege In Data Breach Investigations: 2026 Privacy Breach Insights – Part 4

McCarthy Tétrault
McCarthy Tétrault
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Legal privilege can protect sensitive information during data breach responses, but simply involving counsel may not be enough. Recent court decisions reveal when privilege applies to breach investigations and what companies must do to preserve these protections.

CanadaTechnology

This article is part of our 2026 Data Breach Insights series, designed to help companies navigate the evolving data breach landscape. Explore the full series.

Responding to a data breach can be complex and fast moving, involving multiple parties and stakeholders related to the company. The information shared among these parties and stakeholders is often sensitive, and companies would prefer to have it kept confidential. Legal privilege may offer valuable protections to sensitive information as companies and their counsel navigate a breach and should be a part of every company’s breach response plan.

Legal Privileges

Legal privilege is a fundamental principle of our justice system which allows for a company to communicate candidly with its counsel without fear of the disclosure of those communications. It also exists to facilitate and protect the adversarial process. This allows, amongst other things, an organization to disclose everything necessary to equip its counsel to pursue

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The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

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