![Microsoft Windows data blackout downs major financial firms, airlines](https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDcvNGQzNjI2NWMtMTg1Mi00MGNlLTg2ZDUtMGU5ODU5OTU4MzRlLmpwZw==.jpg)
Microsoft Windows data blackout downs major financial firms, airlines
CointelegraphGlobal Microsoft Windows failure possibly linked to a CrowdStrike software update has disrupted critical services worldwide, hitting banks with widespread online banking outages and grounding flights.