2026-07-10 · 7 min read
Microsoft Copilot Security for Code and Business Data
Microsoft Copilot security guidance focused on source code, email context, and practical Copilot extension-style controls.
Copilot sits close to valuable data
Microsoft Copilot experiences often sit next to mail, documents, and repositories. That proximity is the product value — and the reason Copilot security deserves explicit ownership.
Protecting source code with AI
Treat proprietary code as sensitive by default. Ban secret patterns, define which repos may be discussed, and inspect prompts that look like large code pastes.
Put prompt protection into practice
Install the Aegis AI security extension to inspect ChatGPT, Claude, Gemini, and Copilot prompts before they leave the browser.