AP Moller-Maersk and ports in at least two continents have suffered outages, though not major ones, as a result of a global computer glitch that has been attributed to CrowdStrike cyber security software.

CrowdStrike, a Texas-based cyber security firm, acknowledged that an update to its software caused issues on devices that use the ubiquitous Microsoft Windows operating system — which has led to problems at airports and news outlets from the US to as far away as Australia.