Backdoor Guard offers a service, which checks your system for most known vulnerabilities. If your computer is vulnerable, they load their software on it; don’t be afraid, their software is unharmful; it just helps you to adjust your computer settings and notify you if you have forgotten to pay for service.
It is extremely easy to use, if you can use a computer and if you know what is Internet, you are ready to use their service. They have a team of experts working around to clock to make sure their customers are protected and secure. You can browse the site by its many categories located at the top of the homepage. These categories are: Test Now, Terms of Service, FAQ, and Support. Once you click on the Test Now section, their scanner tests your computer for vulnerabilities using popular exploits, checking exploits activity, and if success loading their helper. It will notify you to complete payment and shows recommendations to close vulnerabilities. 
