Office 365 – 3DES cipher support is being retired by Feb 28, 2019

Benoit HAMET

As Microsoft has announced it was moving to TLS 1.2, the 3DES cipher support is going to be removed by February 28, 2019. If you are not sure if this cipher is still being used by your organization to connect and access Office 365 services you can go to the Secure Score website (http://securescore.microsoft.com) and use the “Remove TLS 1.0/1.1 and 3DES Dependencies” option By clicking the Learn More button…

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