diff --git a/cypress/fixtures/plugins/security-dashboards-plugin/indexpatterns/indexPatternGlobalTenantHeader.json b/cypress/fixtures/plugins/security-dashboards-plugin/indexpatterns/indexPatternGlobalTenantHeader.json
new file mode 100644
index 000000000..e6d6f36ef
--- /dev/null
+++ b/cypress/fixtures/plugins/security-dashboards-plugin/indexpatterns/indexPatternGlobalTenantHeader.json
@@ -0,0 +1,3 @@
+{
+  "securitytenant": ["global"]
+}
diff --git a/cypress/fixtures/plugins/security-dashboards-plugin/indexpatterns/indexPatternPrivateTenantHeader.json b/cypress/fixtures/plugins/security-dashboards-plugin/indexpatterns/indexPatternPrivateTenantHeader.json
new file mode 100644
index 000000000..cb9bc7c6e
--- /dev/null
+++ b/cypress/fixtures/plugins/security-dashboards-plugin/indexpatterns/indexPatternPrivateTenantHeader.json
@@ -0,0 +1,3 @@
+{
+  "securitytenant": ["private"]
+}
diff --git a/cypress/integration/plugins/security-dashboards-plugin/default_tenant.js b/cypress/integration/plugins/security-dashboards-plugin/default_tenant.js
new file mode 100644
index 000000000..5a8162a74
--- /dev/null
+++ b/cypress/integration/plugins/security-dashboards-plugin/default_tenant.js
@@ -0,0 +1,33 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { SAVED_OBJECTS_PATH } from '../../../utils/dashboards/constants';
+
+import { CURRENT_TENANT } from '../../../utils/commands';
+import tenantDescription from '../../../fixtures/plugins/security-dashboards-plugin/tenants/testTenant';
+
+const tenantName = 'test';
+
+if (Cypress.env('SECURITY_ENABLED')) {
+  describe('Multi Tenancy Default Tenant Tests: ', () => {
+    before(() => {
+      cy.server();
+      cy.createTenant(tenantName, tenantDescription);
+      cy.changeDefaultTenant({
+        multitenancy_enabled: true,
+        private_tenant_enabled: true,
+        default_tenant: tenantName,
+      });
+    });
+    it('Test Changed Default Tenant ', () => {
+      CURRENT_TENANT.newTenant = null;
+      cy.visit(SAVED_OBJECTS_PATH);
+      cy.waitForLoader();
+      cy.get('#user-icon-btn').click();
+      cy.wait(1000);
+      cy.get('#tenantName').contains(tenantName);
+    });
+  });
+}
diff --git a/cypress/integration/plugins/security-dashboards-plugin/multi_tenancy.js b/cypress/integration/plugins/security-dashboards-plugin/multi_tenancy.js
new file mode 100644
index 000000000..988b84412
--- /dev/null
+++ b/cypress/integration/plugins/security-dashboards-plugin/multi_tenancy.js
@@ -0,0 +1,150 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  SAVED_OBJECTS_PATH,
+  TENANTS_MANAGE_PATH,
+} from '../../../utils/dashboards/constants';
+
+import { CURRENT_TENANT } from '../../../utils/commands';
+
+import indexPatternPrivateTenantHeaderSetUp from '../../../fixtures/plugins/security-dashboards-plugin/indexpatterns/indexPatternPrivateTenantHeader';
+import indexPatternGlobalTenantHeaderSetUp from '../../../fixtures/plugins/security-dashboards-plugin/indexpatterns/indexPatternGlobalTenantHeader';
+import tenantDescription from '../../../fixtures/plugins/security-dashboards-plugin/tenants/testTenant.json';
+
+const tenantName = 'test';
+
+if (Cypress.env('SECURITY_ENABLED')) {
+  describe('Multi Tenancy Tests: ', () => {
+    before(() => {
+      cy.server();
+      cy.createTenant(tenantName, tenantDescription);
+      cy.createIndexPattern(
+        'index-pattern1',
+        {
+          title: 's*',
+          timeFieldName: 'timestamp',
+        },
+        indexPatternGlobalTenantHeaderSetUp
+      );
+
+      cy.createIndexPattern(
+        'index-pattern2',
+        {
+          title: 'se*',
+          timeFieldName: 'timestamp',
+        },
+        indexPatternPrivateTenantHeaderSetUp
+      );
+    });
+    it('Test 1 Disable Multi Tenancy ', () => {
+      CURRENT_TENANT.newTenant = 'private';
+
+      // Load into Private Tenant initially and check if index Pattern matches to the one saved in Private tenant.
+      cy.visit(SAVED_OBJECTS_PATH);
+      cy.waitForLoader();
+      cy.contains('a', 'Saved objects');
+      cy.contains('a', 'se*');
+
+      // Switch tenants button should exist when multi-tenancy is enabled.
+      cy.get('#user-icon-btn').click();
+      cy.contains('button', 'Switch tenants').should('exist');
+
+      // Disable multi-tenancy.
+      cy.visit(TENANTS_MANAGE_PATH);
+      cy.waitForLoader();
+
+      cy.contains('button', 'Configure').click();
+      cy.waitForLoader();
+      cy.get('#EnableMultitenancyCheckBox').uncheck({ force: true });
+      cy.contains('button', 'Save Changes').click();
+
+      cy.get('#tenancyChangeCheckbox').check({ force: true });
+      cy.contains('button', 'Apply changes').click();
+
+      cy.reload();
+      cy.waitForLoader();
+
+      // Switch tenants button should not exist when multi-tenancy is disabled.
+      cy.get('#user-icon-btn').click();
+      cy.contains('button', 'Switch tenants').should('not.exist');
+
+      //Tenancy disbaled warning should show on manage page.
+      cy.contains('Tenancy is disabled').should('exist');
+
+      // Saved index pattern should only have the ones saved in Global tenant.
+      cy.visit(SAVED_OBJECTS_PATH);
+      cy.waitForLoader();
+      cy.contains('a', 'Saved objects');
+      cy.contains('a', 's*');
+
+      // Enable Multi-tenancy before closing test.
+      cy.visit(TENANTS_MANAGE_PATH);
+      cy.waitForLoader();
+      cy.contains('button', 'Configure').click();
+      cy.waitForLoader();
+      cy.get('#EnableMultitenancyCheckBox').check({ force: true });
+      cy.contains('button', 'Save Changes').click();
+      cy.get('#tenancyChangeCheckbox').check({ force: true });
+      cy.contains('button', 'Apply changes').click();
+      cy.reload();
+      cy.waitForLoader();
+    });
+    it('Test 2 Disable Private Tenancy ', () => {
+      CURRENT_TENANT.newTenant = 'private';
+
+      // Load into Private Tenant initially and check if index Pattern matches to the one saved in Private tenant.
+      cy.visit(SAVED_OBJECTS_PATH);
+      cy.waitForLoader();
+      cy.contains('a', 'Saved objects');
+      cy.contains('a', 'se*');
+
+      // Check if switching to private tenant is enabled.
+      cy.get('#user-icon-btn').click();
+      cy.contains('button', 'Switch tenants').click();
+      cy.get('#private').should('be.enabled');
+      cy.contains('button', 'Cancel').click();
+
+      // Disable private tenant.
+      cy.visit(TENANTS_MANAGE_PATH);
+      cy.waitForLoader();
+
+      cy.contains('button', 'Configure').click();
+      cy.waitForLoader();
+      cy.get('#EnablePrivateTenantCheckBox').uncheck({ force: true });
+      cy.contains('button', 'Save Changes').click();
+
+      cy.get('#privateTenancyChangeCheckbox').check({ force: true });
+      cy.contains('button', 'Apply changes').click();
+
+      cy.reload();
+      cy.waitForLoader();
+
+      // Check if switching to private tenant is enabled.
+      cy.get('#user-icon-btn').click();
+      cy.contains('button', 'Switch tenants').click();
+      cy.get('#private').should('be.disabled');
+      cy.contains('button', 'Cancel').click();
+
+      // Saved index pattern should only have the ones saved in Global tenant.
+      cy.visit(SAVED_OBJECTS_PATH);
+      cy.waitForLoader();
+      cy.contains('a', 'Saved objects');
+      cy.contains('a', 's*');
+
+      // Enable private tenant before exiting test.
+      cy.visit(TENANTS_MANAGE_PATH);
+      cy.waitForLoader();
+      cy.contains('button', 'Configure').click();
+      cy.waitForLoader();
+      cy.get('#EnablePrivateTenantCheckBox').check({ force: true });
+      cy.contains('button', 'Save Changes').click();
+      cy.get('#privateTenancyChangeCheckbox').check({ force: true });
+      cy.contains('button', 'Apply changes').click();
+      cy.reload();
+      cy.waitForLoader();
+    });
+  });
+}
diff --git a/cypress/utils/commands.js b/cypress/utils/commands.js
index 241912733..bc9cf9546 100644
--- a/cypress/utils/commands.js
+++ b/cypress/utils/commands.js
@@ -299,6 +299,22 @@ Cypress.Commands.add('createIndexPattern', (id, attributes, header = {}) => {
   });
 });
 
+Cypress.Commands.add('changeDefaultTenant', (attributes, header = {}) => {
+  const url =
+    Cypress.env('openSearchUrl') + '/_plugins/_security/api/tenancy/config';
+
+  cy.request({
+    method: 'PUT',
+    url,
+    headers: {
+      'content-type': 'application/json;charset=UTF-8',
+      'osd-xsrf': true,
+      ...header,
+    },
+    body: JSON.stringify(attributes),
+  });
+});
+
 Cypress.Commands.add('deleteIndexPattern', (id, options = {}) =>
   cy.deleteSavedObject('index-pattern', id, options)
 );
diff --git a/cypress/utils/dashboards/constants.js b/cypress/utils/dashboards/constants.js
index 6f1382869..7b7b5b400 100644
--- a/cypress/utils/dashboards/constants.js
+++ b/cypress/utils/dashboards/constants.js
@@ -7,6 +7,8 @@ import { BASE_PATH } from '../base_constants';
 
 // STACK MANAGEMENT PATH
 export const STACK_MANAGEMENT_PATH = BASE_PATH + '/app/management';
+export const TENANTS_MANAGE_PATH =
+  BASE_PATH + '/app/security-dashboards-plugin#/tenants';
 
 export const INDEX_PATTERN_PATH =
   STACK_MANAGEMENT_PATH + '/opensearch-dashboards/indexPatterns';
diff --git a/cypress/utils/index.d.ts b/cypress/utils/index.d.ts
index daad594d4..4f436c3e0 100644
--- a/cypress/utils/index.d.ts
+++ b/cypress/utils/index.d.ts
@@ -87,6 +87,22 @@ declare namespace Cypress {
       header: string,
     ): Chainable<S>;
 
+
+    /**
+     * Changes the Default tenant for the domain.
+     * @example
+     * cy.changeDefaultTenant({multitenancy_enabled: true, private_tenant_enabled: true, default_tenant: tenantName, });
+     */
+    changeDefaultTenant<S = any>(
+        attributes: {
+          multitenancy_enabled: boolean,
+          private_tenant_enabled: boolean,
+          default_tenant: string;
+        },
+        // header: string,
+        // default_tenant: string
+    ): Chainable<S>;
+
     /**
      * Delete an index pattern
      * @example