These functions relate to[Secure Execution and Tainting](https://wow.gamepedia.com/Secure_Execution_and_Tainting "Secure Execution and Tainting"). [InCombatLockdown](https://wow.gamepedia.com/API_InCombatLockdown "API InCombatLockdown")() - Returns true if the in-combat AddOn restrictions are active. [StoreSecureReference](https://wow.gamepedia.com/index.php?title=API_StoreSecureReference&action=edit&redlink=1 "API StoreSecureReference (page does not exist)")("name", obj) [forceinsecure](https://wow.gamepedia.com/API_forceinsecure "API forceinsecure")() - Taint the current execution path. [hooksecurefunc](https://wow.gamepedia.com/API_hooksecurefunc "API hooksecurefunc")(\[table,\] "functionName", hookfunc) - Creates a secure 'post hook' for the named function. The hookfunc is invoked after the original function, and receives the same parameters. Return values from hookfunc are discarded. This is the only safe way to hook functions that execute protected functionality. [issecure](https://wow.gamepedia.com/API_issecure "API issecure")() - Determine if the current environment is secure. [issecurevariable](https://wow.gamepedia.com/API_issecurevariable "API issecurevariable")(\[table,\] "name") - Determine if the specified variable is secure. [scrub](https://wow.gamepedia.com/index.php?title=API_scrub&action=edit&redlink=1 "API scrub (page does not exist)")(...) - Returns the argument list with non-number/boolean/string values changed to nil. [securecall](https://wow.gamepedia.com/API_securecall "API securecall")(function or "functionName", ...) - Call a function from a secure environment without risking secure status. UI[CanAccessObject](https://www.townlong-yak.com/framexml/go/CanAccessObject)(obj) - Returns true if an object is secure and not forbidden.