When getting started, we recommend that you encrypt all attachments in your Jira instance.
After generating and saving your keys, you are prompted to encrypt your attachments.
The outcome of encryption is that the attachments will no longer be readable by accessing them directly from the server file system.
By default, all project attachments are encrypted. If you wish to select specific projects for encryption, enable the project level security schemes.
If you wish to decrypt all your attachments for all projects:
The outcome of decryption is that the attachments will be readable by accessing them directly from the server file system.