Feature gating is a software control method that turns a function on or off for specific devices, users, accounts, or regions. Instead of shipping separate builds, vendors keep one codebase and use policies, flags, or server-side checks to decide who sees a capability. In connected products such as wearables, this can change what the device does after purchase, without any hardware change.
In cyber security, feature gating matters because it is both a control and a risk surface. Defenders use it to limit exposure, stage rollouts, disable risky features, or meet regional and compliance requirements. Attackers look for weak flag management, because a stolen admin session or abused backend can sometimes reveal hidden functions, bypass restrictions, or disable security checks. For that reason, feature gates should be authenticated, logged, and tested like any other security-sensitive control.