SHA-1

Chrome Makes SharePoint Look Insecure

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An update to SharePoint Online for some Office 365 tenants clashed with Google’s determination to move from SHA-1 to SHA-2 as the basis for securing web sites. The symptom is that Chrome flags SharePoint sites as “Not Secure”, which is a pretty worrying thing for an Office 365 administrator to see. Fortunately, Microsoft is reversing the update out to fix the problem.