Considering almost any jerk can get their hands on a morissey elan, I'd say most major airports would be ready for it. You probably aren't going to have your cyberware scanned at the mall, or when you walk into a hospital, but certain government and corporate facilities? probably. That's why you have a plan.
There are smart jammers, HERF guns, and specialized drones. There's also social engineering, like someone here mentioned. Also, you could swipe someone's gun once you are inside. You could cause a distraction and sneak through.
Someone that wants to pull stuff like that off needs to be resourceful. You do don't just make plan A, you have plan B, C, D. Relying solely on your tech is not the best idea.