He could even access the core router, the backbone of KPN's entire network.

他甚至可以进入核心路由器，即KPN整个网络的主干。

The hacker had also broken into the core router, effectively taking control of the whole network, and could do whatever they wanted: snoop on internet traffic, turn off TVs, take out the national emergency hotline.

黑客还闯入了核心路由器，有效地控制了整个网络，并可以为所欲为：窥探互联网流量，关闭电视，切断国家应急热线。