Advanced persistent threats (APTs) are serious cyberattacks that can wreak havoc on your computer network, stealing valuable data and destroying data or hardware in the process. These attacks typically come from nation states, but they’re not limited to governments: any hacker group with enough time and resources can use APT techniques to infiltrate your network, steal your secrets, and cause mayhem before you even know what’s going on. Here’s a brief overview of what APTs are, how they work, and why you need to take extra security precautions if you have them in your network.