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Microsoft resolves cloud outage that caused some US airlines to ground flights
(www.channelnewsasia.com)
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Security definition updates can be installed without rebooting.
And Crowdstrike is a more advanced system compared to normal antivirus you would use at home. It's an endpoint protection system that does more than scan for viruses.
Microsoft offers their own alternative called Microsoft Defender for Endpoint.
Both Crowdstrike and Microsoft Defender for Endpoint are available on Windows, MacOS, and Linux.