And while there are lots of things you want on your phone, there’s one you definitely don’t: malware. (“Malware” is what you call code that tries to sneak into your devices for the purpose of doing sneaky things. Like stealing your bank info or tracking every single word you type.) Now, this is the part where we’d normally geek out about the tools we give developers to make super safe apps like top-notch APIs, encryption, and app transport security, and the rock-solid security features we build into iPhone like trusted boot, sandboxing, and kernel address space layout randomization, but there’s only so much room. So let’s just say that iPhone and malware are practically strangers, and leave it at that.