You can add Google ReCaptcha to the Sign Up and Sign In pages of the B2Core UI.
Before adding Google ReCaptcha to the Sign Up and Sign In pages of the B2Core UI, you need to obtain the ReCaptcha key and secret.
Navigate to System > Settings.
In the Google ReCaptcha section, fill in the following fields:
Set Disable/Enable ReCaptcha to Enabled.
Fill in the ReCaptcha key and ReCaptcha secret fields.
Click Save to enable ReCaptcha.
Before signing up or signing in to the B2Core UI, your clients are now required to pass the ReCaptcha test.