Dark mode is here!If you would like to change, tap into the appearance drop down below.Go to appearance Find any issues using dark mode? Please let us know The outage caused global turmoil among thousands of sites. (Reuters: Dado Ruvic) Amazon has revealed the cause of Monday's massive outage that caused global turmoil among thousands of sites. It says the problems that led to the outage stemmed from a "latent defect". A computer science expert says software developers must protect against similar future outages. Amazon has revealed the cause of Monday's massive outage that sparked global turmoil among thousands of sites, including some of the web's most popular apps such as Snapchat and Reddit. The disruption knocked workers from London to Tokyo offline, and stopped others from conducting everyday tasks such as paying hairdressers or changing their airline tickets. Amazon Web Services (AWS), which hosts applications and computer processes for companies around the world, revealed in a lengthy statement that a string of events triggered the outage. Amazon says the problems stemmed from a "latent defect". (AP: Kiichiro Sato)