added securityhub scp

guardrails/securityhub/SCP-SECHUB-1.json

@@ -0,0 +1,35 @@
+{
+    "Identifier": "SCP-SECHUB-1",
+    "Guardrail": "Prevent leaving centralization of SecurityHub accounts",
+    "Rationale": [
+        "When SecurityHub is enabled and consolidated within for the AWS Organization, the member accounts should not leave the organization"
+    ], 
+    "Test Scenarios": [
+        {
+            "Test-Scenario": "Disable Security Hub from member account",
+            "Steps": [
+                "Log in to the AWS console with a role that has access to SecurityHub in member account", 
+                "Goto Settings>General , scroll to the bottom of the page and click Disable AWS Security Hub"
+            ],
+            "Expected-Result": "Access Denied"
+        },
+        {
+            "Test-Scenario": "Dissociate Security Hub from SecurityHub administrator account",
+            "Steps": [
+                "Log in to the AWS console with a role that has access to SecurityHub in member account", 
+                "Goto Settings>Accounts , toggle the radio button to dissociate from Security Hub administrator account"
+            ],
+            "Expected-Result": "Access Denied"
+        }
+    ],
+    "References": [
+        "https://docs.aws.amazon.com/securityhub/latest/userguide/securityhub-disable.html",
+        "https://docs.aws.amazon.com/securityhub/latest/userguide/securityhub-data-retention.html",
+        "https://docs.aws.amazon.com/securityhub/latest/userguide/accounts-orgs-disassociate.html"
+    ],
+    "Policy-Type": "SCP",
+    "SCP-Type": "Prevent-All", 
+    "IAM Actions": ["securityhub:DisableSecurityHub", 
+        "securityhub:DissociatefromMasterAccount" ],
+    "Resource": ["*"]
+}