The website, securecaptcha.top, is was a malicious website used by scammers and cybercriminals. Securecaptcha.top display fake error messages and alerts to trick victims into subscribing to its push notifications. If you do subscribe to the Securecaptcha.top notifications, you will start seeing receiving spam popups similar to the image below directly on your device even if the browser is closed. These ads are for adult sites, online web games, fake software updates, and unwanted programs.