translation.en: Inside NSA, the unit is called TAO, Tailored Access Operations, and inside GCHQ, which is the U.K. equivalent, it's called NAC, Network Analysis Centre.
translation.zh: 在NSA内部, 这个部门被叫做TAO 特定情报获取行动 这个等同于英国GCHQ内部的NAC 网络分析中心