Businesses including banks, airlines, railways, telecommunications companies, TV and radio broadcasters, and supermarkets have been taken offline after blue screen of death error screens were seen on Windows workstations across the globe.
Users on the subreddit for cyber security firm Crowdstrike reported issues in India, the United States and New Zealand.
Britain’s biggest train company has warned passengers to expect disruption due to “widespread IT issues”.
Govia Thameslink Railway – parent company of Southern, Thameslink, Gatwick Express and Great Northern – issued an alert on its social media channels.
The NHS booking system used by doctors in England is offline, medical officials said on X.
The London Stock Exchange is also facing technical issues.
Sky News in the UK reported being off air this morning, with Sky News sports presenter Jacquie Beltrao posting on X: “We’re obviously not on air – we’re trying.” Sky News is still down, according to a message on its website.
