robert siciliano: this is what is reading the information. they'll plug something in the line with these wires. that intercepts the information as it goes through. pam: the information is sometimes transmitted immediately via cell signal. what can you do? siciliano says look for the tamper-proof seals. check your account often and choose wisely. remember you can pay inside. and about that pin code. robert siciliano: so the best thing to do is to cover up the keypad with your other hand as you're punching in your pin code. pam: now we swipe, tap, and the key tips-- make sure everything looks solid when you use your card, and check your in revere, i'm pam cross, wcvb, newscenter 5. doug: so many of us go through our days using our cards. we don't think about that. antoinette: good advice to check. doug: growing concerns right now as the zika virus continues to spread. antoinette: ahead this morning the urgent search for a cure. and when a vaccine could be ready. doug: facebook wants to take you for a ride. how the site is hitting the road and h