Very annoying to see this thousands of web sites promoting or they are paid for their jobs ,some useless products crafting in visitors brain.
Usually I never changed my Antivirus and Speed solutions which is only possible by powerful scanners made in Antivirus software.
Cyber Defender never claimed they are best but being a old user of Defender I can say Very very useful and Trusted among the billions of users world wide.
While scanning systems and irritation starts due to slowing system or hanging laptops that time no user can say ,fine ,other features like VPN security ,password security is good so this part can be neglected.Never
Easier to install and easiest to operate and best in system protection ,prices are same as charged by any reliable software company.