Encryption for data at rest and data in transitĮxamples of data at rest include files that you've uploaded to a SharePoint library, Project Online data, documents that you've uploaded in a Skype for Business meeting, email messages and attachments that you've stored in folders in your mailbox, and files you've uploaded to OneDrive for Business.Įxamples of data in transit include mail messages that are in the process of being delivered, or conversations that are taking place in an online meeting. With Office 365, your data is encrypted at rest and in transit, using several strong encryption protocols, and technologies that include Transport Layer Security/Secure Sockets Layer (TLS/SSL), Internet Protocol Security (IPSec), and Advanced Encryption Standard (AES). For example, you can encrypt email messages and also the communication channels through which your email flows. You can have multiple layers of encryption in place at the same time.
By using encryption, you help ensure that only authorized parties can use the encrypted data. Encryption is part of a larger information protection strategy for your organization. Content includes files, email messages, calendar entries, and so on.Įncryption by itself doesn't prevent content interception. Encryption helps ensure that only authorized recipients can decrypt your content.
Decryption requires an encryption key that only authorized users have. Unlike plaintext, ciphertext can't be used by people or computers unless and until the ciphertext is decrypted. The encryption process encodes your data (referred to as plaintext) into ciphertext. What is encryption, and how does it work in Office 365? 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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