...
These are images which have been preconfigured to meet our Terms Of Service by having automatic updates enabled and reporting in to various monitoring systems.
...
We do allow users to upload their own images although it is then the users’ responsibility to ensure any VMs created with these comply with our Terms Of Service. Any non compliant VMs will be deleted.
Please contact us at cloud-support@stfc.ac.uk if you would like to upload your own images and discuss how to comply with the Terms Of Service.