> I've wondered what sort of security issue PayWave is..... what if somehow a criminal got a PayWave reader and surreptitiously touched it to everyone's bag and

> I've wondered what sort of security issue PayWave is..... what if somehow a criminal got a PayWave reader and surreptitiously touched it to everyone's bag and pocket on a crowded train? Is there a possible exploit there somewhere? Yeah, I thought about that too. On the plus side, Apple Pay works pretty much anywhere PayWave is accepted, and Apple Pay requires a fingerprint or face.