Zoom is bringing two-factor authentication (2FA) to all its users, which can help stave off security breaches and "zoombombing." It can keep potential attackers away from taking over your account with stolen or recycled credentials since they need to have control of your mobile device, too. You can use 2FA with Zoom's web portal, desktop client, Zoom Room, and mobile app. It supports the time-based one-time password (TOTP), which means it works with apps like Google Authenticator, FreeOTP, and Microsoft Authenticator. It also works with different authentication methods like OAuth, password-based authentication, and SAML.
When you enable 2FA, the video conferencing app will require you to enter a one-time code from a mobile authenticator app, phone call, or SMS. There are slightly different procedures on enabling 2FA, depending on whether you're a business admin or individual user. You can view the detailed guide over at this link.
Source: Engadget