Microsoft Cloud App Security is moving to Transport Layer Security (TLS) 1.2+ to provide best-in-class encryption, and to ensure our service is more secure by default.
How does this affect me?
As of September 8, 2019 Microsoft Cloud App Security will no longer support TLS 1.0 and 1.1. This means that any connection using these protocols will no longer work as expected, and no support will be provided.
What do I need to do to prepare for this change?
You should ensure that all client-server and browser-server combinations use TLS 1.2 (or a later version), to maintain the connection to Microsoft Cloud App Security.
Components that may be affected by this change include:
Where possible, Microsoft recommends that you remove all TLS 1.0/1.1 dependencies in your environment and that you disable TLS 1.0/1.1 at the operating system level.
Begin your migration to TLS 1.2 today.
-Microsoft Cloud App Security team
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