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3 important ways to protect trade secrets when an employee leaves

On Behalf of | Aug 11, 2026 | Business law, Contract breach

It takes a lot of effort and dedication to build a business in California. However, a single breach of trade secrets can undo everything you have built. That is why you should exercise prudence when one of your employees leaves the company. Here is what you need to know.

Get an NDA signed

A well-drafted nondisclosure agreement (NDA) is your first line of defense. It is a binding agreement that prevents an employee from divulging company trade secrets and other proprietary information. California courts have time and again upheld NDAs that protect legitimate business interests.

Revoke digital credentials

When an employee leaves, revoke all digital credentials that provide access to the company’s internal systems, databases and cloud-based platforms. You may also conduct a pre-departure audit to review whether sensitive files were accessed, downloaded or transferred to external drives in the days or weeks leading up to the resignation.

Conduct a documented exit interview

This is the most important, yet often ignored, step that any employer should take. In a structured exit interview, remind the departing employee about their confidentiality obligations to the company in writing. Furthermore, make sure they confirm that they have returned all company property, including company records stored on personal devices. This creates a critical paper trail that can strengthen your legal position if problems arise in the future.

Protect your trade secrets

You can safeguard your company’s trade secrets by taking proactive steps. Implementing clear policies like NDAs, strictly managing digital access and conducting thorough exit interviews shows you are heading in the right direction. However, for deeper insights, consult legal counsel experienced in employment law, as they can help you build a robust legal and operational framework that minimizes the risk of unauthorized data loss.