The phrase "increasing threat" is correct and usable in written English.
You could use it in a sentence such as: "The citizens of the small town faced an increasing threat from the nearby forest fire."
Dengue fever is an increasing threat for everyone.
Missiles pose an increasing threat to our populations, territory and deployed forces.
Nearly all species of otters face increasing threat as urbanization and logging continue.
The challenge domestically will be tougher too, with Manchester United spending big and City's increasing threat.
American convoys have also come under increasing threat from improvised explosive devices.
The proposed exercise reflects the Pentagon's growing concern that militant Islamic networks pose an increasing threat to Americans.
"As the continent registers progress on the economic front, there is also an increasing threat to civil space," said Sendugwa.
"It also comes at a time when investment in programming is under increasing threat from a severe advertising recession.
Suspected Seleka members have come under increasing threat in Bangui since bloodshed started in the capital on 5 December.
He said the "intelligentsia" must "stop shilly-shallying" around and recognise the increasing threat to Christians across the world.
This system aims to protect NATO's European populations and territory against the increasing threat of ballistic missile attack.
