Multi-Factor Authentication (MFA) is a simple and effective security authentication method. It adds an additional layer of protection to strengthen the username and password credentials. An MFA device, also called a dynamic password card or token, is a device that enables this authentication method. Tencent Cloud currently offers one type of MFA device: virtual MFA device.
Virtual MFA Device
A virtual MFA device is an application program that generates dynamic authentication codes. It is compliant with the time-based one-time password (TOTP) standard as defined in RFC 6238. Tencent Cloud's virtual MFA devices are supported by the Tencent Cloud Assistant mini program.
Binding a virtual MFA device
- Log in to the Tencent Cloud Console, click the account name in the top-right corner, and click Security Settings.
- Go to Basic Settings > MFA Device and click Bind.
- Complete the identity authentication as prompted on the authentication window that pops up.
- Select a virtual MFA device and bind it as prompted.

- Click Submit to complete the binding of the virtual MFA device.
Unbinding a virtual MFA device
- Log in to the Tencent Cloud Console, click the account name in the top-right corner, and click Security Settings.
- Go to Basic Settings > MFA Device and click Unbind.
- Click Confirm in the pop-up box.
- On the authentication page that pops up, enter the 6-digit dynamic authentication code and click OK to complete the unbinding.
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