Why is incorrect date and time considered a security risk?

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I recently booted up an old laptop to transfer some files and when i tried searching something up on google it stops me with a big security risk warning telling that my date and time is incorrect. I also experienced it with other devices, so why is it so important to keep the date correct?

In: Technology

Anonymous 0 Comments

Secure web sites make the browser verify the validity of the server certificate. Certificates are only valid for a certain date range. If your computer is in the past, then from its perspective every web site certificate is at some invalid date in the future and the web sites cannot be trusted.