Vodafone said its Monday outage, which knocked broadband and mobile data users offline for several hours, was caused by a "non-malicious software issue".
source https://www.bbc.com/news/articles/c5yldldx659o?at_medium=RSS&at_campaign=rss
source https://www.bbc.com/news/articles/c5yldldx659o?at_medium=RSS&at_campaign=rss