 An update by cybersecurity firm CrowdStrike led to a major outage on Friday. The company told NBC, which impacted businesses globally. CrowdStrike said it is now in the process of rolling back the update that caused the issue. The confirmation came after widespread reports of technical issues across the world. Microsoft said earlier today that its cloud services had been mostly restored after it suffered an outage affecting its cloud apps in the U.S. It is not clear whether this outage was linked to CrowdStrike's update.