The UPPward Active Protection feature actively checks the URL the user is accessing and cross-references it to the Threat Reputation Database (TRDB) to see whether it is blacklisted or whitelisted. It then notifies the user whether he is visiting a safe or malicious website through a green label or red overlay respectively.

If the website is neither blacklisted nor whitelisted, no labels or overlays will be displayed. Instead, the UPPward icon will simply remain yellow.

Additionally, users may notice that the colour of the UPPward icon, which is found on the top right of the browser together with your other extensions, may differ according to the type of website they are on. The legend and their meaning will be elaborated on below: