Cyberspace has become shorthand for the computing devices, networks, fibre-optic cables, wireless links and other infrastructure that bring the internet to billions of people around the world.

网络空间已经成为计算设备、网络、光纤电缆、无线链路和其他基础设施的简称，这些基础设施将互联网带给全球数十亿人。

Penetration testing is basically a company hiring a hacker or security professional to test their security by breaking in via the website or the building itself or their internal network devices, just any way they can to validate their security.

渗透测试基本上是一家公司雇佣黑客或安全专业人员通过网站或建筑物本身或其内部网络设备闯入来测试他们的安全性，只是他们可以验证其安全性的任何方式。