As a result of the investigation regarding the global interruption in devices using Windows operating system, it was determined that the outage is linked to US based cyber-security firm CrowdStrike's software.

The disruption was not caused by a cyber-attack, the Information Technologies and Communication Authority of Türkiye announced on Friday.

"CrowdStrike is aware of reports of crashes on Windows related to the Falcon Sensor," the firm said in its website.

Microsoft has said on X platform that its services are seeing continuous improvements while it continues to take mitigation actions.

Microsoft also stated that its services, PowerBI, Microsoft Fabric, Microsoft Teams, Microsoft 365 admin center, were affected from the IT outage.

"We're closely monitoring our telemetry data to ensure this upward trend continues as our mitigation actions continue to progress," it noted.

The IT outage has affected many sectors from aviation to health and TV channels so far.