Microsoft has expiration issues with its TLS certificates, resulting in unwanted security warnings.
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An eagle-eyed Register reader from Australia alerted us to the plight of cdn.uci.officeapps.live.com, which is listed on one of Microsoft's worldwide endpoints for Microsoft 365 and Office Online. According to Microsoft, the address is standard and requires network connection.
TLS certificate information at cdn.uci.officeapps.live.com
Our reader realized the situation when some security software started complaining that the connection was not secure when using Microsoft Office.
