Restriction
Noun · Security & Infosec
Definitions
A limit or constraint placed on an action, permission, configuration, or data flow to reduce risk or enforce policy. In security, restrictions may apply to who can do something, when it can happen, from where, or under what technical conditions.
In plain English: A rule or limit placed on what is allowed.
Example: "The identity team added a restriction that blocked admin logins unless they came through a managed device with a hardware key."