You may know someone that has been scammed by a phone call from someone saying that they are a Microsoft Tech Support specialist and that they are calling because the person’s computer is infected. Microsoft doesn’t make unsolicited calls.
Many home users and businesses have the feeling that they don’t need to worry about Cyber-Security. They don’t do things on their computer that are questionable, they have anti-virus running on their computers, or maybe they use a Mac, so there is not much to worry about.