The phrase "a case of unauthorized" is correct and usable in written English.
It can be used in contexts where you are discussing an incident or situation involving something that was done without permission or authorization.
Example: "The investigation revealed a case of unauthorized access to sensitive data."
Alternatives: "an instance of unauthorized" or "a situation of unauthorized".
In this instance, it appears, the agency decided early on that it was dealing with a messy love triangle, or possibly a quadrangle, rather than a case of espionage or unauthorized leaking.
Dropbox says it hasn't found intrusions into its internal systems or any cases of unauthorized activity in user accounts.
In fact, Apple has been inserting simple watermarks into digital audio files that include personal information about the purchaser on some files sold over iTunes so those files can be traced back to their purchaser in the case of unauthorized distribution".
Two cases of unauthorized entry in one race, which isn't even at the general-election stage yet, does seem like a lot.
He also reiterated the administration's commitment to working quickly through cases of unauthorized immigration to ensure faster deportations.
(The Danish Medicines Agency has at this point in the implementation process reported on five cases of unauthorized access to the Shared Medicine Profile [ 8]).
He soon learned he was a suspect in the case of an unauthorized art hanging.
"Sachtleben was identified as a suspect in the case of this unauthorized disclosure only after toll records for phone numbers related to the reporter were obtained through a subpoena and compared to other evidence collected during the leak investigation," the Justice Department said.
The analysis last year and the report being prepared find that the United States defines those two countries as a threat only in the case of an accidental unauthorized launching.
A number of unauthorized outposts are also experiencing substantial growth.
