Adding Microsoft SECURITY.MD#338

weshaggard merged 2 commits intodevAzure/azure-cli-dev-tools:devfrom

users/GitHubPolicyService/c954cfba-bb64-48b4-a1fe-34a02a85545bAzure/azure-cli-dev-tools:users/GitHubPolicyService/c954cfba-bb64-48b4-a1fe-34a02a85545bCopy head branch name to clipboard