If you’ve ever experienced frequent device crashes, slow performance, or mass emails fraudulently sent from your account—congratulations, you’ve had a virus.
Viruses live up to their name. They spread easily and can do a lot of damage. A virus starts with a tiny fragment of code hiding inside an otherwise legitimate program (think an app). Once it infects a computer, a virus can modify or destroy files, causing system crashes and other malfunctions.
Hackers have gotten very crafty when it comes to getting you to disclose your personal information. The most common method—called phishing—is just like it sounds; it uses an otherwise inconspicuous email to hook you into clicking.
Good rules to follow include:
Even though we keep very important information on our computers, only 70 percent of users keep their data safe in an easily accessed second location. Make sure you’re protected by backing up your files regularly to one of these trusted places:
an external hard drive.
an online backup service, or offsite storage in which data is regularly backed up to a remote server.