Roblox uses Hyperion to counter exploiting. Use of exploits on Roblox is against the Community Standards and is bannable. Some exploits are in the form of programs or injectable DLL files.
Exploits are also used in griefing, and are also used to steal places or models, including scripts. On Roblox, an exploit (known as a cheat in other games) is a third-party program used to alter the client in order to gain an unfair advantage over others. Not to be confused with the use of glitches to gain an unfair advantage also known as exploiting.