Riot’s approach to anti-cheat

Combating cheats is an ever-evolving arms race. The scope and complexity of cheat development grows every year along with the stakes in online gaming. The pressure is on for game studios to level up when it comes to detecting and preventing bad actors. I’m Michael “Perma” VanKuipers, and I used to be one of those bad actors; I spent over a decade developing cheats for various games and earned the ire of at least one large game studio in the process. These days I work on Riot’s Anti-Cheat team, helping secure League of Legends from scripts, bots, and exploits. In this article, I’m going to show you some of the details and strategies behind our latest anti-cheat initiative, including a technical overview of the steps we took to mitigate certain types of cheating.

I’ve been playing League of Legends for six years, and I may (I wasn’t sure) have seen cheating once or twice. Riot’s work seems to be paying off.


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