 ABC's Alexis Christophorus has more. This was not a cyber attack. The culprit here, a single software update pushed out by the cybersecurity company CrowdStrike in the wee hours of the morning. It went out to some odd 30,000 clients around the world, a number of different sectors, media companies, banks, hospitals, airlines. The list goes on. Authorities now warning of malicious actors exploiting the disruption by sending malware disguised as a software patch. This is ABC News.