A two-step verification plugin using the Time-based One-time Password Algorithm (TOTP), which can be used with an app or service like Google Authenticator.
- Lightweight and fast: no classes are instantiated until required
- No reliance or affiliation with any third-party service
- No setup or config required: immediately enabled for all uses upon plugin activation
- Automatically throttles multiple failed login attempts
- Uses filters to allow modifying functionality or output
- Requires PHP 7 or later
- Built for WordPress 4.8 or later
