The immediate threat of the past has disappeared and the security situation in Europe has significantly improved.

过去的直接威胁不复存在了，欧洲的安全状况有重大改善。

《柯林斯英汉双解大词典》

He said that the deteriorating situation in the region was a security threat for all countries, not just the us.

他讲到，地区恶化的情况威胁到所有国家的安全，不仅仅是美国。

youdao

Eg: : it has been rightly stated that this situation is a threat to international security.

这个局势对国际安全是个威胁，这样的说法是完全正确的。

youdao

The situation along the southern border is being called a national security threat.

VOA: special.2009.03.14

"Additionally coalition forces will realign battle space as necessary based on the composition of the coalition, the readiness of the Iraqi security forces and the threat situation, " Matern said.

CNN: Coalition nations leave Iraq as security improves

They say this situation is a threat to our security.

WHITEHOUSE: VP Biden: The Path to Nuclear Security

Hopefully, the United States is not so distracted elsewhere in the world that it ignores this situation and the threat it poses to hemispheric security.

CENTERFORSECURITYPOLICY: The upcoming Russian-Venezuelan naval exercises