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

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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Office 365 – Microsoft is NO LONGER enforcing TLS 1.2

As you may have been aware as there has been quite lot of communication, Microsoft was planning to disable TLS 1.0 and 1.1 support for Office 365 services. Well, it seems this is longer the plan as per the updated KB 4057306 (https://support.microsoft.com/en-gb/help/4057306/preparing-for-tls-1-2-in-office-365) – as per the extract below: Note This doesn’t mean Office 365 will block TLS 1.0 and 1.1 connections. There is no official date for disabling or…

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Office 365 – Reminder to move to TLS 1.2

UPDATE Oct 26th, 2018 – Microsoft is delaying the enforcement http://bit.ly/2D5uv3p A quick reminder as the date is fast approaching: you must have moved to TLS 1.2 before October 31, 2018 It has been announced about a year ago (October 2017), all client-server and browser based communication with Office 365 services will use TLS 1.2 After October 31, 2018, if you are still using older TLS version (1.0 or 1.1),…

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