diff --git a/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/json_diff/json_diff.test.tsx b/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/json_diff/json_diff.test.tsx
index 8e9c465d265b8..d86be3ce90b97 100644
--- a/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/json_diff/json_diff.test.tsx
+++ b/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/json_diff/json_diff.test.tsx
@@ -179,7 +179,7 @@ describe('Rule upgrade workflow: viewing rule changes in JSON diff view', () =>
   });
 
   describe('Technical properties should not be included in preview', () => {
-    it.each(['revision', 'created_at', 'created_by', 'updated_at', 'updated_by'])(
+    it.each(['revision', 'created_at', 'created_by', 'updated_at', 'updated_by', 'rule_source'])(
       'Should not include "%s" in preview',
       (property) => {
         const oldRule: RuleResponse = {
@@ -190,6 +190,7 @@ describe('Rule upgrade workflow: viewing rule changes in JSON diff view', () =>
           created_by: 'mockUserOne',
           updated_at: '01/01/2024T00:00:000z',
           updated_by: 'mockUserTwo',
+          rule_source: { type: 'internal' },
         };
 
         const newRule: RuleResponse = {
@@ -200,6 +201,7 @@ describe('Rule upgrade workflow: viewing rule changes in JSON diff view', () =>
           created_by: 'mockUserOne',
           updated_at: '02/02/2024T00:00:001z',
           updated_by: 'mockUserThree',
+          rule_source: { type: 'external', is_customized: true },
         };
 
         render(<RuleDiffTab oldRule={oldRule} newRule={newRule} />);
diff --git a/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/rule_diff_tab.tsx b/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/rule_diff_tab.tsx
index dd6d0417d3bb6..c2bf9ffa29098 100644
--- a/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/rule_diff_tab.tsx
+++ b/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/rule_diff_tab.tsx
@@ -57,6 +57,10 @@ const HIDDEN_PROPERTIES: Array<keyof RuleResponse> = [
   'updated_by',
   'created_at',
   'created_by',
+  /*
+   * Another technical property that is used for logic under the hood the user doesn't need to be aware of
+   */
+  'rule_source',
 ];
 
 const sortAndStringifyJson = (jsObject: Record<string, unknown>): string =>
diff --git a/x-pack/plugins/security_solution/public/detection_engine/rule_management/logic/mock.ts b/x-pack/plugins/security_solution/public/detection_engine/rule_management/logic/mock.ts
index f8a7f7b6d4ae8..616469f03c1ba 100644
--- a/x-pack/plugins/security_solution/public/detection_engine/rule_management/logic/mock.ts
+++ b/x-pack/plugins/security_solution/public/detection_engine/rule_management/logic/mock.ts
@@ -41,6 +41,7 @@ export const savedRuleMock: RuleResponse = {
   references: [],
   related_integrations: [],
   required_fields: [],
+  rule_source: { type: 'internal' },
   setup: '',
   severity: 'high',
   severity_mapping: [],
@@ -53,7 +54,6 @@ export const savedRuleMock: RuleResponse = {
   version: 1,
   revision: 1,
   exceptions_list: [],
-  rule_source: { type: 'internal' },
 };
 
 export const rulesMock: FetchRulesResponse = {