The Globe and Mail reports in its Saturday edition that it was supposed to be a routine update, the kind of digital missive that software companies send to customers to provide the latest features and fix bugs. The Globe's Sean Silcoff writes, however, that a defect in an update sent by cybersecurity giant CrowdStrike to customers that use Microsoft Windows resulted in a colossal string of information technology outages around the globe Friday. The update caused computer screens at workstations, public display monitors and advertising billboards to be replaced by a malfunction window nicknamed the Blue Screen of Death, snarling operations for critical infrastructure providers including some of Canada's largest institutions. Hospitals, banks, insurers, airlines, grocers, emergency service providers and countless others were thrown into chaos as computers used to run their operations were rendered useless by the defect. "This is a 'Tylenol moment' for CrowdStrike, and from what I read they aren't stepping up," said David Yach, BlackBerry's former chief technology officer for software, referring to a 1982 incident when seven people died from cyanide-laced pain-relief pills that resulted in tamperproof packaging.