Windows Defender Security Center scam: How to protect your computer from fake pop-ups

Tech expert Kurt “CyberGuy” Knutsson says a tech support scam used a fake Windows Defender pop-up, tricking the victim to call and download software. Tech expert Kurt “CyberGuy” Knutsson says a tech support scam used a fake Windows Defender pop-up, tricking the victim to call and download software.