The phrase "a wide array of threats" is correct and usable in written English.
It can be used when discussing various types of dangers or risks in a particular context, such as cybersecurity, environmental issues, or public safety.
Example: "The organization is facing a wide array of threats, including cyber attacks, natural disasters, and economic instability."
Alternatives: "a broad range of threats" or "a diverse set of threats."
However, since the events leading to 11 September 2001 a paradigm shift on the notion of security5 has taken place in the form of increase in a wide-array of threats such as terrorism, drug trafficking, civil wars and not least maritime security—all of which are now viewed as non-traditional security threats.
The reason, they say, is because of the frequent news reports of F.B.I. alerts about a wide array of terrorist threats, which are taken from the reports to state and local officials not meant to be public.
The world today presents a wide array of potential threats to U.S. interests, including a failed North Korean state losing control of its weapons of mass destruction, the morass of civil war in Syria, an aggressive and expansionist Russia or China, or still-unforeseen humanitarian crises in Africa and other areas.
United States government engineers sent to help with the crisis in Japan are warning that the troubled nuclear plant there is facing a wide array of fresh threats that could persist indefinitely, and that in some cases are expected to increase as a result of the very measures being taken to keep the plant stable, according to a confidential assessment prepared by the Nuclear Regulatory Commission.
That fact, combined with the wide array of threats posed by adversary nations and terrorists have created a national security challenge "as complex as any ever facing the nation," said Eric S. Edelman, a former Pentagon under secretary for policy.
Early warning, informed analysis, preventive engagement, and prudent application of power are key to success in dealing with the wide array of threats we face.
And he completely avoided the more complex and worthy issue of threats to the nation from a wide array of homegrown militants that law enforcement officials must deal with, from neo-Nazis to wannabe jihadists.
The $60 billion arms sale to Saudi Arabia, which includes new F-15 fighter jets as well as a wide array of missiles, is in large part intended as a defense against the threat of missiles from Iran.
