Yes! With the current influx of new viruses and exploits online, all computer users need some type of protection software for their computers.  Even mobile devices...

Even mobile devices such as smartphones and tablets are at risk. Anti-Virus software not only notifies you when you have possibly contracted a computer virus or piece of spyware, but also tries to proactively block the threat before it strikes. Having this software installed is a key way to prevent data loss stop the spread of malicious software.