Steam Authenticator is a feature of two-step authentication on Steam. It provides another step security ours usernames and passwords. If this feature is activated, Steam Aauthenticator prompts you for one-time passcode any time , when you sign in to Steam on a new device — steam pc authenticator. Although Steam Authenticator may seem unnecessary, it provides privacy of your account page. Because you are the only one who has access to one-time codes, randomly generated Steam Authenticator, no one could steal your page. Even if they get your password, they can log in your account. There is two versions of Steam Authenticator. Default version sends you under confirmation by email any time you login to the system from a unaccustomed device. Alternative generates one-time code via mobile application Steam on your phone. Pocket Authenticator Steam Authenticator Most Confidential smartphone was in his physical disposition to hack your account Who needs the Mobile Steam Authenticator app? Steam Mobile Authenticator Authenticator is not is required required. In any case, it is comfortable and adds additional level security of your account page. If you have some toys Steam or you have expensive objects in toys like Dota 2 and counter strike, use Steam Authenticator is worth your time. Using Mobile Authenticator in addition has own advantages if you wish use features of Steam trading or purchase and sell products on the Steam Market.In addition to providing passcodes for mobile authentication, the app allows immediately approve or reject any Steam transaction trade or Steam marketplace.