Electron Anticheat is the best and most affordable, easy to use and effective FiveM anticheat.
Redefining FiveM Server Protection
The most affordable and effective fiveM anticheat.
None!
To install Electron Anticheat go to electron-services.com, and create an account. After this process is complete you will be able to download te anticheat and drag it into your resources folder. Add start ElectronAC to you server.cfg, and you are all done!