| Subject | English | Welsh |
| comp., MS | mail-enabled universal security group | grŵp diogelwch cyffredin wedi'i alluogi ar gyfer post (A group of recipients that are created to expedite the mass e-mailing of messages and other information. Unlike a mail-enabled universal distribution group, a mail-enabled USG can also be used to assign permissions. When e-mail is sent to a mail-enabled USG, all members of that group receive a copy of the message) |
| comp., MS | security group | grŵp diogelwch (A group that can be listed in discretionary access control lists (DACLs) used to define permissions on resources and objects. A security group can also be used as an e-mail entity. Sending an e-mail message to the group sends the message to all the members of the group) |
| comp., MS | security group identifier | dynodwr grŵp diogelwch (An integer that uniquely identifies a security group from all other security principals and site groups within the same site collection) |