If you read my weekly GottaBeSecure articles, you'll know that WiFi security is one of my favorite topics. Many people ask me, however, whether cell phone data cards (AKA mobile broadband or air cards) are any more secure? Assuming you're worried about your average black hat hacker or your snooping next door neighbor, the answer is definitely "yes." Air cards beat WiFi for security hands-down. Why? Let me offer a few proofs that hopefully put things into perspective.