Encryption

Encryption in SharePoint is a critical security feature that ensures the confidentiality and integrity of sensitive data stored within SharePoint sites. SharePoint employs several encryption mechanisms to protect data at rest and in transit.

• Encryption at Rest: SharePoint uses BitLocker Drive Encryption at the server level to protect data stored on disk. Additionally, SharePoint supports Information Rights Management (IRM) to encrypt documents and restrict access to authorized users only.

• Encryption in Transit: All communications between clients and SharePoint servers can be secured using TLS (Transport Layer Security) to prevent eavesdropping and tampering of data while it travels over the network.

• Encryption Keys: SharePoint manages encryption keys using various methods, including the use of the SharePoint Key Management Service (KMS) or integration with external key management solutions, ensuring that keys are rotated and stored securely.

• Secure Store Service: For storing credentials and other sensitive information, SharePoint utilizes the Secure Store Service, which encrypts stored credentials using AES encryption.

• Regularly review encryption policies and configurations to align with organizational security standards.
• Utilize Multi-Factor Authentication (MFA) along with encryption for enhanced security.
• Monitor and audit access to encrypted data to detect unauthorized access attempts.

Encryption is essential for protecting sensitive information in SharePoint. By employing robust encryption practices, organizations can ensure their data remains secure against unauthorized access and breaches.

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