Gameloft, the developer of MC5, employs anti-cheat systems like Denuvo. Engaging in hacking often leads to permanent account bans or "cheater server" isolation.
For a struggling player in Mobile Crisis 5 , these features promise a shortcut to the top of the leaderboards. Pwnhack.com capitalizes on this desire, presenting itself as a "private" or "VIP" solution that is supposedly safer than free, public cheats.
Eventually, Gameloft shifted strategies. They implemented stricter server-side validations. Instead of trusting the client (the player's game) to report health and ammo, the server began verifying the data. If the server saw a player had 999 bullets when they should have 30, the connection was cut. This "server-side sanity check" rendered the old Pwnhack style of client-side modding largely obsolete.