Yes. If you're concerned someone is logging into your TikTok account without your permission, this security feature will help ease your worries. Two-factor authentication means that you will get a random numeric code texted to your mobile device or sent to your email. You can enable Two-Factor Authentication on TikTok by tapping on the Settings icon, then tapping on 'Security.' Scroll down and you will see the option to toggle the feature on. The next page lets you choose your preference, once done, click on the option to continue.