diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/create_index_route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/create_index_route.ts
index b5c61bb82c29e..85fe5a2c29a1b 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/create_index_route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/create_index_route.ts
@@ -40,8 +40,10 @@ export const createIndexRoute = (router: SecuritySolutionPluginRouter) => {
     .post({
       path: DETECTION_ENGINE_INDEX_URL,
       access: 'public',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/delete_index_route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/delete_index_route.ts
index 49b14944633cc..08f975c023851 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/delete_index_route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/delete_index_route.ts
@@ -35,8 +35,10 @@ export const deleteIndexRoute = (router: SecuritySolutionPluginRouter) => {
     .delete({
       path: DETECTION_ENGINE_INDEX_URL,
       access: 'public',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/read_alerts_index_exists_route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/read_alerts_index_exists_route.ts
index 9f75689cf7811..894e5ec642c07 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/read_alerts_index_exists_route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/read_alerts_index_exists_route.ts
@@ -18,8 +18,10 @@ export const readAlertsIndexExistsRoute = (router: SecuritySolutionPluginRouter)
     .get({
       path: DETECTION_ENGINE_ALERTS_INDEX_URL,
       access: 'internal',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/read_index_route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/read_index_route.ts
index bd13fe09b687b..2f5131d1abf8b 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/read_index_route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/index/read_index_route.ts
@@ -26,8 +26,10 @@ export const readIndexRoute = (
     .get({
       path: DETECTION_ENGINE_INDEX_URL,
       access: 'public',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/create_signals_migration_route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/create_signals_migration_route.ts
index 8d8d80a700478..b4947b939b336 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/create_signals_migration_route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/create_signals_migration_route.ts
@@ -24,8 +24,10 @@ export const createSignalsMigrationRoute = (router: SecuritySolutionPluginRouter
     .post({
       path: DETECTION_ENGINE_SIGNALS_MIGRATION_URL,
       access: 'public',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/delete_signals_migration_route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/delete_signals_migration_route.ts
index c4838280ac6a4..14a490d34d4fc 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/delete_signals_migration_route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/delete_signals_migration_route.ts
@@ -20,8 +20,10 @@ export const deleteSignalsMigrationRoute = (router: SecuritySolutionPluginRouter
     .delete({
       path: DETECTION_ENGINE_SIGNALS_MIGRATION_URL,
       access: 'public',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/finalize_signals_migration_route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/finalize_signals_migration_route.ts
index 9e09ffe0cf895..6ea0584c0b0c4 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/finalize_signals_migration_route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/finalize_signals_migration_route.ts
@@ -25,8 +25,10 @@ export const finalizeSignalsMigrationRoute = (
     .post({
       path: DETECTION_ENGINE_SIGNALS_FINALIZE_MIGRATION_URL,
       access: 'public',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/get_signals_migration_status_route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/get_signals_migration_status_route.ts
index ece4d3444be99..fc7cfe6fc2eae 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/get_signals_migration_status_route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/get_signals_migration_status_route.ts
@@ -23,8 +23,10 @@ export const getSignalsMigrationStatusRoute = (router: SecuritySolutionPluginRou
     .get({
       path: DETECTION_ENGINE_SIGNALS_MIGRATION_STATUS_URL,
       access: 'public',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/open_close_signals_route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/open_close_signals_route.ts
index dde24af7007c4..5438db042e7df 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/open_close_signals_route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/open_close_signals_route.ts
@@ -37,8 +37,10 @@ export const setSignalsStatusRoute = (
     .post({
       path: DETECTION_ENGINE_SIGNALS_STATUS_URL,
       access: 'public',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/query_signals_route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/query_signals_route.ts
index 60e0bde69c590..f49eaad74e490 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/query_signals_route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/query_signals_route.ts
@@ -23,8 +23,10 @@ export const querySignalsRoute = (
     .post({
       path: DETECTION_ENGINE_QUERY_SIGNALS_URL,
       access: 'public',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/set_alert_assignees_route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/set_alert_assignees_route.ts
index 1ce791143705b..9e5547e03c7e6 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/set_alert_assignees_route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/set_alert_assignees_route.ts
@@ -22,8 +22,10 @@ export const setAlertAssigneesRoute = (router: SecuritySolutionPluginRouter) =>
     .post({
       path: DETECTION_ENGINE_ALERT_ASSIGNEES_URL,
       access: 'public',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/set_alert_tags_route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/set_alert_tags_route.ts
index d285c381c4b54..3fbd21c57ffef 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/set_alert_tags_route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/routes/signals/set_alert_tags_route.ts
@@ -22,8 +22,10 @@ export const setAlertTagsRoute = (router: SecuritySolutionPluginRouter) => {
     .post({
       path: DETECTION_ENGINE_ALERT_TAGS_URL,
       access: 'public',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_actions_legacy/api/create_legacy_notification/route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_actions_legacy/api/create_legacy_notification/route.ts
index 518ece11dbefe..d5623df8db91c 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_actions_legacy/api/create_legacy_notification/route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_actions_legacy/api/create_legacy_notification/route.ts
@@ -34,8 +34,10 @@ export const legacyCreateLegacyNotificationRoute = (
     .post({
       path: UPDATE_OR_CREATE_LEGACY_ACTIONS,
       access: 'internal',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_exceptions/api/create_rule_exceptions/route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_exceptions/api/create_rule_exceptions/route.ts
index 22aa94ad80aee..1d8038b1052c3 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_exceptions/api/create_rule_exceptions/route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_exceptions/api/create_rule_exceptions/route.ts
@@ -36,8 +36,10 @@ export const createRuleExceptionsRoute = (router: SecuritySolutionPluginRouter)
     .post({
       path: CREATE_RULE_EXCEPTIONS_URL,
       access: 'public',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_exceptions/api/find_exception_references/route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_exceptions/api/find_exception_references/route.ts
index f8714c4e260ee..3680a70525fd4 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_exceptions/api/find_exception_references/route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_exceptions/api/find_exception_references/route.ts
@@ -29,8 +29,10 @@ export const findRuleExceptionReferencesRoute = (router: SecuritySolutionPluginR
     .get({
       path: DETECTION_ENGINE_RULES_EXCEPTIONS_REFERENCE_URL,
       access: 'internal',
-      options: {
-        tags: ['access:securitySolution'],
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
       },
     })
     .addVersion(
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_preview/api/preview_rules/route.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_preview/api/preview_rules/route.ts
index 3b3656c82f06d..bc805867f69e0 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_preview/api/preview_rules/route.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_preview/api/preview_rules/route.ts
@@ -89,8 +89,13 @@ export const previewRulesRoute = (
     .post({
       path: DETECTION_ENGINE_RULES_PREVIEW,
       access: 'public',
+      security: {
+        authz: {
+          requiredPrivileges: ['securitySolution'],
+        },
+      },
       options: {
-        tags: ['access:securitySolution', routeLimitedConcurrencyTag(MAX_ROUTE_CONCURRENCY)],
+        tags: [routeLimitedConcurrencyTag(MAX_ROUTE_CONCURRENCY)],
       },
     })
     .addVersion(