Encryption in Office 365 – Office 365

At a high level, encryption is the process of encoding yourcontent (referred to as plaintext) into ciphertext that cannot be used by people or computers unless and until the ciphertext is decrypted. Decryption requires an encryption key that only authorized users have. Encryption helps ensure that only authorized recipients can decrypt your content, such as email messages and files.

Encryption by itself does not prevent content, such as files or email messages, from getting into the wrong hands. Encryption is part of a larger information protection strategy for your organization. By using encryption, you can help ensure that only those who should be able touse encrypted content are able to.

You can have multiple layers of encryption in place at the same time. For example, you can encrypt email messages and also the communication channels through which your email flows. With Office 365, your content is encrypted at rest and in transit, using severalstrong encryption protocols, and technologies that include Transport Layer Security/Secure Sockets Layer (TLS/SSL), Internet Protocol Security (IPSec), and Advanced Encryption Standard (AES).

Encryption in Office 365 – Office 365

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