/security - Show the version & author
/security help - List every command
/security maintenance - Toggle server maintenance mode
/security notify - Notify players or staff
/security whitelist remove <ip> - Remove an IP from the whitelist
/security whitelist removeall - Remove all IPs from the whitelist
/security blacklist remove <ip> - Remove an IP from the blacklist
/security blacklist removeall - Remove all IPs from the blacklist
/security accounts remove <playername> - Remove a player from the accounts list
/security accounts removeall - Remove all players from the accounts list

rcap.alerts - Allow you to see the alerts of the plugin.
rcap.commands - Allow you to use the commands.
rcap.bypass.exploit.<checkname> - Allow a group/user to bypass this specific check.