: Go to Game Settings and set Enable Developer Console (~) to Yes .
: "Free" hacks found on untrusted sites or YouTube links are frequently used as delivery methods for malware, keyloggers, or trojans . These can steal your Steam login credentials, personal data, or banking information.
: Valve Anti-Cheat (VAC) is an automated system that detects known cheat signatures. Using free hacks often leads to a permanent VAC ban, which locks your inventory and prevents you from playing on secure servers.
sv_infinite_ammo 1 : Provides unlimited ammunition and grenades for practice. Third-Party Hacks & Risks
Third-party hacks (like aimbots or external wallhacks) are unauthorized software designed to give players an unfair advantage in matchmaking. While some open-source projects exist on platforms like GitHub , using them is extremely dangerous.
You can legally enable "cheats" for practice in private matches or offline with bots. These do not result in bans and are built into the game.
r_drawothermodels 2 : A legal "wallhack" that renders player models as wireframes through walls.