The FBI recommends antispyware technology as one of the ways to protect our computers:
- Install or Update Your Antispyware Technology: Spyware is just what it sounds like—software that is surreptitiously installed on your computer to let others peer into your activities on the computer. Some spyware collects information about you without your consent or produces unwanted pop-up ads on yourweb browser. Some operating systems offer free spyware protection, and inexpensive software is readily available for download on the Internet or at your local computer store. Be wary of ads on the Internet offering downloadable antispyware—in some cases these products may be fake and may actually contain spyware or other malicious code. It's like buying groceries—shop where you trust.
Do Macs come with technology? Is it available/recommended?
Generally it's not necessary for OS X. OS X is incredibly secure, much more so than MS Windows and doesn't need any 3rd party anti malware, spyware, virus etc applications. While there are some trojans for OS X in the wild a user has to conciously download and install them. Therefore only download and install from trusted sites and if you get a popup advising you MUST download something this should be ignored.