Perhaps you experienced or at least heard about the massively distributed malware WannaCry. In May 2017, this malware infected and shut down millions of computers all around the world. The malware demanded a ransom, but then strangely it was stopped. This is the story of how that happened as well as the weird twists and turns afterwards. Ultimately this story of Marcus Hutchins illustrates a lot about attitudes towards hacking, whether ethical or not. Check it out.