反情报

例句：

1. 1. The government's anti-terrorism unit is tasked with countering the threat of terroristactivities.
   政府的反恐单位负责对抗恐怖主义活动的威胁。
2. 2.The spy agency has been accused of engaging in espionage to gather intelligence for their country.
   这个间谍机构被指控从事间谍活动，为他们的祖国收集情报。
3. 3.The secret service needs to stay vigilant against any potential threats from within or without the organization.
   秘密服务部门需要保持警惕，防范来自组织内部或外部的潜在威胁。