What encryption mechanisms are used by MetaDefender for Microsoft 365?

MetaDefender for Microsoft 365 maintains a highly secure infrastructure to ensure that user data is processed and stored safely. They include:

• Content (emails, files) is stored in AWS S3 buckets set to encrypt the data using the AES-256 (256-bit Advanced Encryption Standard) algorithm.

• The servers processing content all use encrypted storage volumes.

• All tenant content is automatically encrypted when stored.

• All communication done via SMTP uses TLS protocol.

• All communication done via REST API uses HTTPS protocol.