Microsoft mandatory file

SECURITY.md

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+<!-- BEGIN MICROSOFT SECURITY.MD V1.0.0 BLOCK -->
+
+## Security
+
+Microsoft takes the security of our software products and services seriously, which
+includes all source code repositories in our GitHub organizations.
+
+**Please do not report security vulnerabilities through public GitHub issues.**
+
+For security reporting information, locations, contact information, and policies,
+please review the latest guidance for Microsoft repositories at
+[https://aka.ms/SECURITY.md](https://aka.ms/SECURITY.md).
+
+<!-- END MICROSOFT SECURITY.MD BLOCK -->