25 Free Game Security and Anti-Cheat Resources (2026 Edition)

What it is: A collection of security best-practice cheat sheets from OWASP, including guidance that maps cleanly onto game backends, APIs, and authentication flows.
Use it for: secure login/session handling and hardening your API layer before you worry about client anti-cheat.

What it is: GDC and conference talks where Valve engineers unpack how they approach cheat detection, telemetry, and long-term cat‑and‑mouse with cheaters.
Use it for: mindset and strategy—server authority, trust boundaries, and why you should never trust the client.

What it is: Free account, auth, and session services from Epic that plug into many engines and platforms.
Use it for: outsourcing secure login and session management instead of rolling fragile custom code.

What it is: Official Steamworks docs covering VAC, secure networking, and expectations for server‑authoritative gameplay.
Use it for: planning your netcode and inventory systems so they play nicely with Steam’s trust model.

What it is: Docs and samples for building secure, server‑authoritative game backends on PlayFab, including auth, data protection, and cloud scripts.
Use it for: locking down currencies, inventories, and progression so they cannot be trivially edited client‑side.

What it is: Photon’s official docs for authoritative servers, lag compensation, and secure movement/ability validation.
Use it for: multiplayer games where you want client prediction but still keep the server in charge.

What it is: Integration docs and overviews for widely used commercial anti‑cheat solutions.
Use it for: evaluating long‑term options once your game has enough players to justify a heavier client‑side layer.

What it is: Public bug bounty reports against major game studios that reveal real-world exploits in APIs, auth flows, and economy systems.
Use it for: learning from real incidents and building a checklist of “never again” mistakes for your own game.

What it is: The canonical top‑10 list of web and API vulnerabilities (injection, broken auth, insecure design, and more).
Use it for: reviewing your game services so they do not fall to basic web attacks while you focus on gameplay cheats.

What it is: Free‑tier docs for managed firewalls and DDoS protections in front of HTTP/gRPC game APIs.
Use it for: rate limiting and basic edge protection so griefers cannot knock over your backend with a browser script.

What it is: Practical guidance from regulators on handling player data, profiling, and consent in games.
Use it for: aligning your security work with privacy expectations so you protect both gameplay and player trust.