unauthorized action
Acting without permission
An unauthorized action is something done without permission or approval from whoever has the authority to grant it.
The phrase appears in legal, corporate, and technical contexts: The employee was fired for unauthorized action, The system flagged the login as an unauthorized action.
It implies crossing a boundary—acting beyond one's sanctioned role or access level.
- trespassUnauthorized entry onto property
- breachBreaking of agreement
- security breachUnauthorized penetration of protected systems
- violationBreaking of rules
- forbiddenNot allowed
illicit · under the table · off the books · rogue · going rogue · overreach · taking liberties · intrusion · hacking · insider threat · infiltration · breaking · sneaking · covert · lone wolf · defiance · transgression · piracy
unauthorized, action, authorize, authorized, authorizing, authorization, authority, author, authoritative