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Is data encrypted at rest in SharePoint?

Author

Mia Smith

Published Feb 10, 2026

Is data encrypted at rest in SharePoint?

All customer data stored in SharePoint Online is encrypted (with one or more AES 256-bit keys) and distributed across the datacenter as follows. The keys used to encrypt the blobs are stored in the SharePoint Online Content Database. The Content Database is protected by database access controls and encryption at rest.

Is o365 data encrypted at rest?

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).

Is Microsoft Onedrive encrypted at rest?

Content protection: Each file is encrypted at rest with a unique AES256 key. These unique keys are encrypted with a set of master keys that are stored in Azure Key Vault.

Does GDPR require encryption of data at rest?

Although not mandatory under the GDPR, encryption of personal data helps companies to reduce the probability of a breach and thus avoid fines. Encryption can ensure protection for both data in motion and at rest.

Which encryption is best for data at rest?

The encryption of data at rest should only include strong encryption methods such as AES or RSA. Encrypted data should remain encrypted when access controls such as usernames and password fail. Increasing encryption on multiple levels is recommended.

What is AES-256 encryption algorithm?

AES uses symmetric key encryption, which involves the use of only one secret key to cipher and decipher information. AES-256, which has a key length of 256 bits, supports the largest bit size and is practically unbreakable by brute force based on current computing power, making it the strongest encryption standard.

Does TLS 1.2 encrypt data in transit?

You can mount a file system so that all NFS traffic is encrypted in transit using Transport Layer Security 1.2 (TLS) with an industry-standard AES-256 cipher. TLS is a set of industry-standard cryptographic protocols used for encrypting information that is exchanged over the network.

Can you encrypt files on SharePoint?

Per-file encryption is also in OneDrive for Business and SharePoint Online in Microsoft 365 multi-tenant and new dedicated environments that are built on multi-tenant technology. While BitLocker encrypts all data on a disk, per-file encryption goes even further by including a unique encryption key for each file.

Can you encrypt a folder on SharePoint?

Besides, I’d like to explain that it is not feasible to encrypt folder with password in SharePoint via Out-of-Box feature. If you have any concern about that, please create a new UserVocie to improve our products better for you and others. This is the best way to improve our products.

Why is AES better than DES?

AES data encryption is a more mathematically efficient and elegant cryptographic algorithm, but its main strength rests in the option for various key lengths. AES allows you to choose a 128-bit, 192-bit or 256-bit key, making it exponentially stronger than the 56-bit key of DES.

What does “at rest” mean involving data encryption?

Encrypting your data at rest, which means encrypting it while it is stored on whatever file storage you use. Encrypting your data in transit, which means encrypting data while it travels through private or public network communication channels.

What is encryption of data at rest?

Data encryption, which prevents data visibility in the event of its unauthorized access or theft, is commonly used to protect data in motion and increasingly promoted for protecting data at rest.

How secure is SharePoint Online?

SharePoint Online in Office 365 is a Secure System. Security is a concern for companies using cloud-based solutions such as Office 365. The cloud presents a change in how data is stored, with additional layers of control and access taken away compared to the “traditional” on-premises environment.

Is SharePoint encrypted?

Encryption in Transit. Whether you’re viewing a web page or opening a document from a SharePoint Online site, your data is encrypted with the strongest algorithms possible as it travels over the Internet by default.