When you have data that's encrypted by Microsoft Purview Information Protection, Microsoft 365 Copilot honors the usage rights granted to the user. This encryption can be applied by sensitivity labels or by restricted permissions in apps in Microsoft 365 by using Information Rights Management (IRM).

Microsoft 365 includes features that help you protect your data and audit usage, including Microsoft Purview sensitivity labels & encryption, and SharePoint oversharing controls. These features affect Microsoft 365 Copilot and how Copilot interacts with your data.

Feb 7, 2025 · Summary: To apply Zero Trust principles to Microsoft 365 Copilot, you need to apply seven layers of protection in your Microsoft 365 tenant: Data protection; Identity and access; App protection; Device management and protection; Threat protection; Secure collaboration with Teams; User permissions to data; Introduction

Feb 28, 2024 · Copilot for Microsoft 365 gains access to content in Microsoft 365 via Microsoft Graph (Figure 1 ) and is designed to adhere to the information access restrictions within a tenant. This Microsoft article explains how Copilot for Microsoft 365 works in depth, including how it accesses content.

May 23, 2024 · A key concept of Microsoft 365 is the ‘tenant’—a secure, encrypted construct to support manageability and data privacy of your organizational data that is distinct, unique, and separate from all other Microsoft 365 tenants. Copilot is an orchestrator that integrates with your tenant, inheriting all your existing Microsoft 365 security ...

Mar 4, 2025 · All data managed by Microsoft Copilot is encrypted both in transit and at rest, ensuring robust protection against unauthorized access. Data isolation mechanisms further safeguard sensitive information by preventing cross-tenant data leakage.

Jul 24, 2024 · How Copilot for Microsoft 365 Uses Encryption. Microsoft employs a multi-layered encryption strategy to protect data within Copilot for Microsoft 365. Here’s how it works: Encryption at Rest: Data at rest refers to inactive data stored on physical media such as hard drives or cloud storage.

Microsoft 365 Copilot and Copilot Chat offer enterprise data protection, ensuring that prompts and responses are safeguarded under the same trusted terms as other Microsoft 365 services. Data Security: Your data is protected with encryption, physical security controls, and tenant isolation.

Feb 26, 2025 · Microsoft 365 Copilot is an advanced artificial intelligence assistant that works with Word, Excel, PowerPoint, Outlook, and Teams, among other M365 applications. It uses your Microsoft Graph’s documents, chats, and emails as well as large language models (LLMs).

Microsoft 365 Copilot uses advanced encryption to protect your information: Data is encrypted when it’s stored (at rest) and when it’s being sent (in transit). Tools like Microsoft Purview add extra layers of protection, such as sensitivity labels, to keep sensitive information safe.