Microsoft has not renewed/updated the TLS certificate, and some Office users frequently experience certificate expiration pop-ups

Passionategeekz On June 24, according to BlueDian.com today, since Microsoft has not renewed/updated Office-related TLS digital certificates, many users will use Office software starting on the morning of June 24.Pop up notification of expired certificate。

The expired certificate domain name is https://support.content.office.net/this digital certificate was issued on June 28, 2024 and expires on June 23, 2025. As of the time of Passionategeekz’s publication, the domain name still has not renewed/updated certificate.

An SSL/TLS certificate is a digital object that allows the system to verify identity and then establish an encrypted network connection to another system using the Secure Sockets Layer/Transport Layer Security (SSL/TLS) protocol. Certificates are used in encryption systems called Public Key Infrastructure (PKI). Through PKI, one party can confirm the identity of the other party using the certificate when both parties trust the same third party (called the certificate authority). SSL/TLS certificates can be used as digital ID cards to protect network communications, confirm the identity of the website on the Internet, and the identity of the resource on the private network.

SSL/TLS certificates build trust among website users. Enterprises install SSL/TLS certificates on their web servers to create SSL/TLS protected websites. The characteristics of SSL/TLS-protected web pages are as follows:

• Padlock icon and green address bar in web browser

• The https prefix in the browser website address

• Valid SSL/TLS certificate. Users can check whether the SSL/TLS certificate is valid by clicking and expanding the padlock icon in the URL address bar

• After establishing an encrypted connection, only the client and the web server can see the sent data.

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