diff --git a/x-pack/platform/plugins/shared/alerting/server/alerts_service/lib/create_concrete_write_index.test.ts b/x-pack/platform/plugins/shared/alerting/server/alerts_service/lib/create_concrete_write_index.test.ts
index 1facfc0b661f4..37ede987a5552 100644
--- a/x-pack/platform/plugins/shared/alerting/server/alerts_service/lib/create_concrete_write_index.test.ts
+++ b/x-pack/platform/plugins/shared/alerting/server/alerts_service/lib/create_concrete_write_index.test.ts
@@ -102,6 +102,7 @@ describe('createConcreteWriteIndex', () => {
             aliases: {
               '.alerts-test.alerts-default': {
                 is_write_index: true,
+                is_hidden: true,
               },
             },
           });
@@ -326,6 +327,7 @@ describe('createConcreteWriteIndex', () => {
             aliases: {
               '.alerts-test.alerts-default': {
                 is_write_index: true,
+                is_hidden: true,
               },
             },
           });
@@ -401,6 +403,7 @@ describe('createConcreteWriteIndex', () => {
             aliases: {
               '.alerts-test.alerts-default': {
                 is_write_index: true,
+                is_hidden: true,
               },
             },
           });
@@ -1142,31 +1145,199 @@ describe('setConcreteWriteIndex', () => {
           index: '.internal.alerts-test.alerts-default-000003',
           alias: '.alerts-test.alerts-default',
           isWriteIndex: false,
+          isHidden: true,
+        },
+        {
+          index: '.internal.alerts-test.alerts-default-000004',
+          alias: '.alerts-test.alerts-default',
+          isWriteIndex: false,
+          isHidden: true,
+        },
+        {
+          index: '.internal.alerts-test.alerts-default-000001',
+          alias: '.alerts-test.alerts-default',
+          isWriteIndex: false,
+          isHidden: true,
+        },
+        {
+          index: '.internal.alerts-test.alerts-default-000002',
+          alias: '.alerts-test.alerts-default',
+          isWriteIndex: false,
+          isHidden: true,
+        },
+      ],
+      alias: '.alerts-test.alerts-default',
+    });
+
+    expect(logger.debug).toHaveBeenCalledWith(
+      'Attempting to set index: .internal.alerts-test.alerts-default-000004 as the write index for alias: .alerts-test.alerts-default.'
+    );
+    expect(clusterClient.indices.updateAliases).toHaveBeenCalledWith({
+      actions: [
+        {
+          remove: {
+            alias: '.alerts-test.alerts-default',
+            index: '.internal.alerts-test.alerts-default-000004',
+          },
+        },
+        {
+          add: {
+            alias: '.alerts-test.alerts-default',
+            index: '.internal.alerts-test.alerts-default-000004',
+            is_write_index: true,
+            is_hidden: true,
+          },
+        },
+      ],
+    });
+    expect(logger.info).toHaveBeenCalledWith(
+      'Successfully updated index aliases for alias: .alerts-test.alerts-default.'
+    );
+  });
+
+  it(`should call updateAliases to set the index aliases to hidden`, async () => {
+    await findOrSetConcreteWriteIndex({
+      logger,
+      esClient: clusterClient,
+      concreteIndices: [
+        {
+          index: '.internal.alerts-test.alerts-default-000003',
+          alias: '.alerts-test.alerts-default',
+          isWriteIndex: true,
+          isHidden: false,
+        },
+        {
+          index: '.internal.alerts-test.alerts-default-000004',
+          alias: '.alerts-test.alerts-default',
+          isWriteIndex: false,
+          isHidden: true,
+        },
+        {
+          index: '.internal.alerts-test.alerts-default-000001',
+          alias: '.alerts-test.alerts-default',
+          isWriteIndex: false,
+          isHidden: false,
+        },
+        {
+          index: '.internal.alerts-test.alerts-default-000002',
+          alias: '.alerts-test.alerts-default',
+          isWriteIndex: false,
+          isHidden: true,
+        },
+      ],
+      alias: '.alerts-test.alerts-default',
+    });
+
+    expect(logger.debug).toHaveBeenCalledWith(
+      'Attempting to set index aliases as hidden for alias: .alerts-test.alerts-default.'
+    );
+    expect(clusterClient.indices.updateAliases).toHaveBeenCalledWith({
+      actions: [
+        {
+          add: {
+            alias: '.alerts-test.alerts-default',
+            index: '.internal.alerts-test.alerts-default-000001',
+            is_hidden: true,
+            is_write_index: false,
+          },
+        },
+        {
+          add: {
+            alias: '.alerts-test.alerts-default',
+            index: '.internal.alerts-test.alerts-default-000002',
+            is_hidden: true,
+            is_write_index: false,
+          },
+        },
+        {
+          add: {
+            alias: '.alerts-test.alerts-default',
+            index: '.internal.alerts-test.alerts-default-000003',
+            is_hidden: true,
+            is_write_index: true,
+          },
+        },
+        {
+          add: {
+            alias: '.alerts-test.alerts-default',
+            index: '.internal.alerts-test.alerts-default-000004',
+            is_hidden: true,
+            is_write_index: false,
+          },
+        },
+      ],
+    });
+    expect(logger.info).toHaveBeenCalledWith(
+      'Successfully updated index aliases for alias: .alerts-test.alerts-default.'
+    );
+  });
+
+  it(`should call updateAliases to set the index aliases to hidden and the concrete write index`, async () => {
+    await findOrSetConcreteWriteIndex({
+      logger,
+      esClient: clusterClient,
+      concreteIndices: [
+        {
+          index: '.internal.alerts-test.alerts-default-000003',
+          alias: '.alerts-test.alerts-default',
+          isWriteIndex: false,
+          isHidden: false,
         },
         {
           index: '.internal.alerts-test.alerts-default-000004',
           alias: '.alerts-test.alerts-default',
           isWriteIndex: false,
+          isHidden: true,
         },
         {
           index: '.internal.alerts-test.alerts-default-000001',
           alias: '.alerts-test.alerts-default',
           isWriteIndex: false,
+          isHidden: false,
         },
         {
           index: '.internal.alerts-test.alerts-default-000002',
           alias: '.alerts-test.alerts-default',
           isWriteIndex: false,
+          isHidden: true,
         },
       ],
       alias: '.alerts-test.alerts-default',
     });
 
+    expect(logger.debug).toHaveBeenCalledWith(
+      'Attempting to set index aliases as hidden for alias: .alerts-test.alerts-default.'
+    );
     expect(logger.debug).toHaveBeenCalledWith(
       'Attempting to set index: .internal.alerts-test.alerts-default-000004 as the write index for alias: .alerts-test.alerts-default.'
     );
+
     expect(clusterClient.indices.updateAliases).toHaveBeenCalledWith({
       actions: [
+        {
+          add: {
+            alias: '.alerts-test.alerts-default',
+            index: '.internal.alerts-test.alerts-default-000001',
+            is_hidden: true,
+            is_write_index: false,
+          },
+        },
+        {
+          add: {
+            alias: '.alerts-test.alerts-default',
+            index: '.internal.alerts-test.alerts-default-000002',
+            is_hidden: true,
+            is_write_index: false,
+          },
+        },
+        {
+          add: {
+            alias: '.alerts-test.alerts-default',
+            index: '.internal.alerts-test.alerts-default-000003',
+            is_hidden: true,
+            is_write_index: false,
+          },
+        },
         {
           remove: {
             alias: '.alerts-test.alerts-default',
@@ -1177,13 +1348,14 @@ describe('setConcreteWriteIndex', () => {
           add: {
             alias: '.alerts-test.alerts-default',
             index: '.internal.alerts-test.alerts-default-000004',
+            is_hidden: true,
             is_write_index: true,
           },
         },
       ],
     });
     expect(logger.info).toHaveBeenCalledWith(
-      'Successfully set index: .internal.alerts-test.alerts-default-000004 as the write index for alias: .alerts-test.alerts-default.'
+      'Successfully updated index aliases for alias: .alerts-test.alerts-default.'
     );
   });
 
@@ -1200,12 +1372,13 @@ describe('setConcreteWriteIndex', () => {
             index: '.internal.alerts-test.alerts-default-000001',
             alias: '.alerts-test.alerts-default',
             isWriteIndex: false,
+            isHidden: true,
           },
         ],
         alias: '.alerts-test.alerts-default',
       })
     ).rejects.toThrowErrorMatchingInlineSnapshot(
-      `"Failed to set index: .internal.alerts-test.alerts-default-000001 as the write index for alias: .alerts-test.alerts-default."`
+      `"Failed to update index aliases for alias: .alerts-test.alerts-default."`
     );
   });
 });
diff --git a/x-pack/platform/plugins/shared/alerting/server/alerts_service/lib/create_concrete_write_index.ts b/x-pack/platform/plugins/shared/alerting/server/alerts_service/lib/create_concrete_write_index.ts
index 480f973a6ac3a..47abf698118b6 100644
--- a/x-pack/platform/plugins/shared/alerting/server/alerts_service/lib/create_concrete_write_index.ts
+++ b/x-pack/platform/plugins/shared/alerting/server/alerts_service/lib/create_concrete_write_index.ts
@@ -5,7 +5,10 @@
  * 2.0.
  */
 
-import type { MappingTypeMapping } from '@elastic/elasticsearch/lib/api/types';
+import type {
+  MappingTypeMapping,
+  IndicesUpdateAliasesAction,
+} from '@elastic/elasticsearch/lib/api/types';
 import type { Logger, ElasticsearchClient } from '@kbn/core/server';
 import { sortBy } from 'lodash';
 import type { IIndexPatternString } from '../resource_installer_utils';
@@ -17,6 +20,7 @@ export interface ConcreteIndexInfo {
   index: string;
   alias: string;
   isWriteIndex: boolean;
+  isHidden: boolean;
 }
 
 interface UpdateIndexMappingsAndSettingsOpts {
@@ -202,41 +206,73 @@ export async function findOrSetConcreteWriteIndex(
 ): Promise<ConcreteIndexInfo> {
   const { logger, esClient, concreteIndices, alias } = opts;
   const concreteWriteIndex = concreteIndices.find((index) => index.isWriteIndex);
-  if (concreteWriteIndex) {
+  const isHidden = concreteIndices.every((index) => index.isHidden);
+
+  if (isHidden && concreteWriteIndex) {
     return concreteWriteIndex;
-  } else {
-    logger.debug(`Indices for alias ${alias} exist but none are set as the write index`);
   }
+
+  const actions: IndicesUpdateAliasesAction[] = [];
   const lastIndex = concreteIndices.length - 1;
-  const concreteIndex = sortBy(concreteIndices, ['index'])[lastIndex];
-  logger.debug(
-    `Attempting to set index: ${concreteIndex.index} as the write index for alias: ${concreteIndex.alias}.`
-  );
+  const sortedConcreteIndices = sortBy(concreteIndices, ['index']);
+  const concreteIndex = sortedConcreteIndices[lastIndex];
+
+  if (!isHidden) {
+    logger.debug(`Indices for alias ${alias} exist but some are not set as hidden`);
+    for (let i = 0; i < lastIndex; i++) {
+      const index = sortedConcreteIndices[i];
+      actions.push({
+        add: {
+          index: index.index,
+          alias: index.alias,
+          is_write_index: index.isWriteIndex,
+          is_hidden: true,
+        },
+      });
+    }
+    logger.debug(`Attempting to set index aliases as hidden for alias: ${alias}.`);
+  }
+
+  if (!concreteWriteIndex) {
+    logger.debug(`Indices for alias ${alias} exist but none are set as the write index`);
+    actions.push(
+      { remove: { index: concreteIndex.index, alias: concreteIndex.alias } },
+      {
+        add: {
+          index: concreteIndex.index,
+          alias: concreteIndex.alias,
+          is_write_index: true,
+          is_hidden: true,
+        },
+      }
+    );
+    logger.debug(
+      `Attempting to set index: ${concreteIndex.index} as the write index for alias: ${concreteIndex.alias}.`
+    );
+  } else if (!isHidden) {
+    actions.push({
+      add: {
+        index: concreteIndex.index,
+        alias: concreteIndex.alias,
+        is_write_index: concreteIndex.isWriteIndex,
+        is_hidden: true,
+      },
+    });
+  }
+
   try {
     await retryTransientEsErrors(
       () =>
         esClient.indices.updateAliases({
-          actions: [
-            { remove: { index: concreteIndex.index, alias: concreteIndex.alias } },
-            {
-              add: {
-                index: concreteIndex.index,
-                alias: concreteIndex.alias,
-                is_write_index: true,
-              },
-            },
-          ],
+          actions,
         }),
       { logger }
     );
-    logger.info(
-      `Successfully set index: ${concreteIndex.index} as the write index for alias: ${concreteIndex.alias}.`
-    );
-    return concreteIndex;
+
+    logger.info(`Successfully updated index aliases for alias: ${alias}.`);
+    return !concreteWriteIndex ? concreteIndex : concreteWriteIndex;
   } catch (error) {
-    throw new Error(
-      `Failed to set index: ${concreteIndex.index} as the write index for alias: ${concreteIndex.alias}.`
-    );
+    throw new Error(`Failed to update index aliases for alias: ${alias}.`);
   }
 }
 
diff --git a/x-pack/platform/plugins/shared/alerting/server/alerts_service/lib/data_stream_adapter.ts b/x-pack/platform/plugins/shared/alerting/server/alerts_service/lib/data_stream_adapter.ts
index 366d9439e51f5..ea4eb9d889d34 100644
--- a/x-pack/platform/plugins/shared/alerting/server/alerts_service/lib/data_stream_adapter.ts
+++ b/x-pack/platform/plugins/shared/alerting/server/alerts_service/lib/data_stream_adapter.ts
@@ -124,6 +124,7 @@ async function createDataStream(opts: CreateConcreteWriteIndexOpts): Promise<voi
             alias: indexPatterns.alias,
             index: indexPatterns.alias,
             isWriteIndex: true,
+            isHidden: true,
           },
         ],
         simulatedMapping,
@@ -144,6 +145,7 @@ async function createDataStream(opts: CreateConcreteWriteIndexOpts): Promise<voi
               alias: indexPatterns.alias,
               index: dataStream.indices[dataStream.indices.length - 1].index_name,
               isWriteIndex: true,
+              isHidden: true,
             },
           ],
           simulatedMapping,
@@ -207,6 +209,7 @@ async function getValidConcreteIndices({
         index,
         alias: aliasName,
         isWriteIndex: aliasProperties.is_write_index ?? false,
+        isHidden: aliasProperties.is_hidden ?? false,
       }))
     );
 
@@ -347,6 +350,7 @@ async function createAliasStream(opts: CreateConcreteWriteIndexOpts): Promise<vo
             aliases: {
               [indexPatterns.alias]: {
                 is_write_index: true,
+                is_hidden: true,
               },
             },
           }),