You can't ban shadow IT. Heck, a lot of times you can't even see shadow IT apps. But you certainly can't ignore them, either. So what does a security team do about shadow IT? How do you secure the devices and apps that workers use without the oversight - or even knowledge - of IT? How do you manage the unmanageable? Securing shadow IT starts with embracing it. To do that, companies need to understand why everyone's using it in the first place.