The popularity of video streaming services has taken off in the past few years. It’s become easier to stream video through smart TVs, streaming boxes that connect to your not-so-smart TV, and even streaming sticks. These devices let you stream video through popular apps like Hulu, Netflix, SlingTV, Amazon Prime Video, and YouTube TV. Unfortunately, there are other apps that let you watch illegal pirated content. And hackers are using those apps to spread malware. Here’s what you need to know.