 ABC News. I'm Derek Dennis. Pack your patients and check your airline. Airports are still a mess after Friday's massive cybersecurity outage caused by a software glitch from the global IT company CrowdStrike. ABC News spoke to Bo Woods, founder of Stratago Security, about how this could happen. When a single supply chain link can take out a whole system like healthcare or others, we need to understand what those impacts are like, who is in the best position to be able to head those off.