Most Outlaster scripts work by manipulating the . For example, when your character runs, the client tells the server, "I am moving at speed 16." If a player uses a script to change that value to "I am moving at speed 100," the server may accept this data if it isn't properly secured by the developers.
Modern Outlaster servers use RemoteEvent verification. The server checks if a player’s character actually walked to the item or if they teleported. If the server detects teleportation without movement frames, it rejects the collection and flags the account. Outlaster Script