Around 8.5 million Windows devices were affected by the faulty software update that caused widespread disruptions globally, according to US technology giant Microsoft. This represented less than 1% of all Windows computers, the company announced on its blog. Despite this, the extensive economic and social impacts demonstrated how many companies running crucial services used the software provider CrowdStrike. The IT glitch caused significant disruptions worldwide on Friday, nearly paralysing air traffic in many places. Supermarkets, banks, hospitals, TV stations and other institutions were also…