The phrase "a source of threat" is correct and usable in written English.
It can be used to describe something that poses a danger or risk to someone or something.
Example: "The rising tensions between the two countries have become a source of threat to regional stability."
Alternatives: "a cause of danger" or "a potential risk".
China's growth was increasingly viewed as a source of threat.
The literature demonstrates the sensitiveness of epiphytic lichens to forestry: forest management, and especially the shelterwood system, is a source of threat for many forest-dwelling lichens.
"In the hard-liner Chinese Communist view, so long as Tibetan unique cultural heritage and Tibetan Buddhist spirituality remain there, they see that as a source of threat of separation," he said.
The Kremlin has become such a source of "threat to the entire democratic world" that it should, Mr Poroshenko told a conference in Kiev, be stripped of its veto in the United Nations Security Council.
In particular, when individuals perceive that the threatening situation has been brought under control, fear is likely to convert to anger which then motivates attacks against outsiders or others perceived to be a source of threat [13], [36].
Wearables also can become a source of threat to your privacy, as hackers can use the motion sensors embedded in smartwatches to steal information you're typing, or they can gather health data from smartwatch apps or health tracker devices you might be using.
Though a settlement with the Taliban could reduce the cost of the security forces, it would also reduce the perception that Afghanistan is a source of threats that require a sustained response.
"On the other hand, landfills could be a source of threats, such as toxic substances that could affect individuals' survival.
And more than this, we know that Isis is challenging a democratic government in Iraq – albeit an extremely imperfect one – and attempting to establish a new state across the region which would be a source of deep threat and instability to our world.
President Bush will leave today for a five-nation tour of Africa, a continent that is increasingly seen as a source of both threats and opportunities.
A creator, a goalscorer and the hardest of workers, Hazard has been a constant source of threat for the Barclays Premier League champions.
