In the lab, you experimented with three different antivirus software applications: AVG, Windows Defender, and MalwareBytes. Why might someone use more than one application to protect their computer

Explanation:

Different antivirus softwares use different techniques for analyzing data on a computer in order to find malware or any harmful data. This can provide extra layers of security to your computer and hopefully prevent harmful software from causing serious damage if they enter the system. Also every antivirus software has their own database of virus signatures which they use to compare and detect these viruses. Some may have info on these harmful viruses that others do not. Regardless it is not smart to have various antivirus software because they consume lost of computer resources and will ultimately slow down your computer.

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source apex