We know iOS is a secure environment. At least it must be. What do you really think of mobile's operating systems security? Because we actually know that iOS is not really open to the "world", it remains designed by Apple to Apple devices exclusively. They their own environment, although I suppose all of this must be based on an open source kernel (?) And that's where comes the difference with Android for exemple. Although Android has some arguments on security, cannot we just admit that this environment is prone to viruses and malwares? Or these kind of new ransomware? Why does Android is not as secure as iOS is? Just because Android is based on AOSP (open source), that means it lets the door open for everyone who's willing to, to take control over one's device. That's might be stupid but why it's not possible for someone to remotely take control of an iOS device? Just because Apple doesn't allow downloading files from Internet doesn't mean it's not possible to infect an iOS device. Most importantly, I'm wondering about the security of informations on devices. Apple mentions they do not let data arrives to their server and it remains locally saved on the phone. Are you concerned about security on your devices, and would it be determinant for choosing a iPhone or others?