Cyberattacks grip U.S. hospital systems
The Ascension Healthcare Network, one of the nation's leading nonprofit and Catholic health systems, says a "cyber security event" disrupted its clinical operations Wednesday. Threat intelligence company Cyble says there have been 77 ransomware attacks on the U.S. health care sector since the beginning of February. CBS News homeland security and justice reporter Nicole Sganga joins to unpack the troubling trend.