Is Microsoft Copilot secure?

Microsoft Copilot scores 4/5 for encryption, 3/5 for privacy, and 4/5 for track record. Overall safety score: 4/5.

What are the privacy concerns with Microsoft Copilot?

Microsoft Copilot security review covering enterprise data handling, Office integration, and AI privacy.

Has Microsoft Copilot been hacked before?

See our detailed analysis of Microsoft Copilot's past security incidents and track record at The Opt-Out Project.

Is Microsoft Copilot Safe? Security Review

Name: Is Microsoft Copilot Safe? Security Review
Item: Microsoft Copilot
Rating: 4
Author: The Opt-Out Project

Category: AI Tools Company: Microsoft Corporation Reviewed February 10, 2026

4/5

Overall Safety Score

★ ★ ★ ★ ★

Verdict: Microsoft Copilot Enterprise offers strong data protection with no training on your data. The free consumer version has less restrictive data practices. Enterprise customers benefit from Microsoft's mature security infrastructure.

Microsoft Copilot is an AI assistant integrated across Microsoft 365, Windows, and Bing. The enterprise version offers strong data protection, while the consumer version has broader data usage terms.

Worried about your Microsoft Copilot data? Apps like this feed data brokers who resell your name, address and phone number. DeleteMe covers 976 broker sites, with human reviewers handling each removal.

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Security Ratings Breakdown

Category	Score	Rating
Encryption	4/5
Privacy	3/5
Track Record	4/5

Security Features

Microsoft's enterprise security infrastructure
Commercial data protection (Enterprise tier)
No training on enterprise customer data
SOC 2, ISO 27001 compliance
Azure security controls
Role-based access in Microsoft 365

Privacy Concerns

Consumer tier conversations may be used for model improvement
Deep integration with Microsoft 365 means AI can access extensive work data
Bing search data combined with AI interactions
Windows integration creates broad data access

Past Security Incidents

No major Copilot-specific breaches as of 2025
Broader Microsoft security incidents (e.g., 2023 Storm-0558 breach of government email accounts) affect trust

How to Stay Safe Using Microsoft Copilot

Use the Enterprise tier for business data
Review what data Copilot can access in your Microsoft 365 environment
Don't paste sensitive info into the consumer version
Review Microsoft's AI data usage policies

Safer Alternatives

ChatGPT Enterprise (OpenAI)
Claude for Business (Anthropic)

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Last updated: February 10, 2026