What is Defenderfordevice.com? Defenderfordevice.com pop-ups are a social engineering attack which tricks you into allowing push notifications from web-sites run by scammers. Scammers use push notifications to bypass protection against pop ups in the web-browser and show unwanted ads. These ads are used to promote malicious browser add-ons, work-at-home schemes scams, work-at-home schemes and other