Copilot sends your code to GitHub's servers for processing. Understanding what data is shared is critical for security.

What Copilot Sends

• The file you're editing and surrounding context
• Related files in your project (for context)
• Your chat messages

What to Protect

• Never put API keys, passwords, or secrets in code Copilot can see
• Use .env files and environment variables for credentials
• Enterprise plan: your code is never used to train models

For Maximum Privacy

Use Copilot Business/Enterprise which has strict data handling commitments.

Reference:

Copilot security and privacy

https://en.wikipedia.org/wiki/Special:Search?search=Security