How to stop covert advertising tabs (pop-unders)

Pop-under ads are particularly intrusive as they don't appear in the foreground, but instead trigger hidden ad tabs in the background of your browser, consuming network resources invisibly without your consent.

Intercepting hidden tab creation

Secondary windows are spawned by hijacking user click events. AdBlock Network prevents this bypass. The software performs asynchronous, read-only requests to multiple independent endpoints to refresh the firewall, enabling the Advanced layer to block background-triggering logic scripts.