For more information about these licenses, see Microsoft 365 licensing guidance for security & compliance.Īzure Information Protection. If you don’t have a Microsoft 365 E5 license, you can sign up for a trial.
System and licensing requirements for DKEĭouble Key Encryption comes with Microsoft 365 E5.
All of the keys that you hold for data encryption and decryption are maintained in your data center.
You have regulatory requirements to hold keys within a geographical boundary. You don't want Microsoft to have access to protected data on its own. You want to ensure that only you can ever decrypt protected content, under all circumstances. If your organizations have any of the following requirements, you can use DKE to help secure your content: Double Key Encryption is relevant for sensitive data in highly regulated industries such as Financial services and Healthcare. Use Microsoft Purview Information Protection capabilities (classification and labeling) to protect most of your sensitive data and only use DKE for your mission-critical data. 
Applications that integrate with our SDK can reason over this data with sufficient permissions and integrations in place. The Microsoft Information Protection SDK 1.7+ supports Double Key Encryption.
Office Web Apps including coauthoring functionalityĪny external applications or services that aren't integrated with DKE through the Microsoft Information Protection (MIP) SDK will be unable to perform actions on the encrypted data. Transport rules including anti-malware and spam that require visibility into the attachment. Also, these solutions enable you to use the most powerful Office 365 services services that you can't use with DKE encrypted content. These solutions are sufficient for documents that aren't subject to enhanced protections and regulatory requirements. In some cases, you might need to narrow your scope and use other solutions for most of your data, such as Microsoft Purview Information Protection with Microsoft-managed keys or BYOK. 
You should do due diligence in identifying the right data to cover with this solution before you deploy. In general, you'll be using Double Key Encryption to protect only a small part of your overall data. When your organization should adopt DKEĭouble Key Encryption is intended for your most sensitive data that is subject to the strictest protection requirements. Learn details about signing up and trial terms. Start now at the Microsoft Purview compliance portal trials hub. Use the 90-day Purview solutions trial to explore how robust Purview capabilities can help your organization manage data security and compliance needs. If you're not an E5 customer, you can try all the premium features in Microsoft Purview for free.
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