When you set up a new Mac, security may not be the first thing on your mind, but it should be. While Macs are known for their strong built-in defenses, it's just a myth that they're immune to threats.

But since the odds of encountering malicious Mac software are so low, I don’t recommend that investment unless you have special needs. (See “Mac Security: Antivirus” for more on what those needs are.) ...