Watch "CBSN: On Assignment" on Mondays at 10 p.m. ET/PT on CBS and on our streaming network CBSN.Since 2015, almost all healthcare organizations have reported at least one cyberattack. The largest U.S. hospital attacked in the U.S. 2017 was Erie County Medical Center in Buffalo, New York, and they're still feeling the effects.Dr. Jennifer Pugh runs...