A sophisticated cyber attack has been reported already that targeted against the Pyeongchang Winter Olympics infrastructure using OlympicDestroyer Malware by Lazarus Hacking Group. This clever cyber attack leads to taking down IT systems ahead of official opening ceremonies, shutting down display monitors, killing Wi-Fi, and taking down the Olympics website. The previous analysis concluded by Cisco Talos team published that, it has similarities between the attack, Petya (Expetr/NotPetya) and BadRabbit. But new investigation revealed a lot more false flags that various advanced techniques used to destroy the targeting systems and server.”]
Source: https://gbhackers.com/olympicdestroyer-clever-cyber-attack/