diff --git a/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/persistence/deduplication/index.test.ts b/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/persistence/deduplication/index.test.ts
index dff46266979cf..3c6f2fa2c61b7 100644
--- a/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/persistence/deduplication/index.test.ts
+++ b/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/persistence/deduplication/index.test.ts
@@ -25,13 +25,17 @@ describe('deduplicateAttackDiscoveries', () => {
   const uuid1 = 'test-uuid-1';
   const uuid2 = 'test-uuid-2';
   const [attack1, attack2] = mockAttackDiscoveries;
+  const ownerInfo = {
+    id: 'test-owner-1',
+    isSchedule: false,
+  };
   const defaultProps = {
     attackDiscoveries: mockAttackDiscoveries,
     connectorId: 'test-connector-1',
     esClient: mockEsClient,
     indexPattern: '.test.alerts-*,.adhoc.alerts-*',
     logger: mockLogger,
-    ownerId: 'test-owner-1',
+    ownerInfo,
     replacements: undefined,
     spaceId: 'test-space',
   };
@@ -96,7 +100,7 @@ describe('deduplicateAttackDiscoveries', () => {
     expect(result).toEqual([attack1]);
   });
 
-  it('should log when duplicates are found', async () => {
+  it('should log when duplicates are found for ad-hoc run', async () => {
     mockEsClient.search.mockResponse({
       hits: {
         hits: [{ _source: { 'kibana.alert.instance.id': uuid1 } }],
@@ -104,7 +108,32 @@ describe('deduplicateAttackDiscoveries', () => {
     } as unknown as estypes.SearchResponse);
     await deduplicateAttackDiscoveries(defaultProps);
     expect(mockLogger.info).toHaveBeenCalledWith(
-      'Found 1 duplicate alert(s), skipping report for those.'
+      'Ad-hoc Attack Discovery: Found 1 duplicate alert(s), skipping report for those.'
+    );
+    expect((mockLogger.debug as jest.Mock).mock.calls[0][0]()).toBe(
+      `Ad-hoc Attack Discovery: Duplicated alerts:\n ${JSON.stringify([uuid1].sort(), null, 2)}`
+    );
+  });
+
+  it('should log when duplicates are found for scheduled run', async () => {
+    mockEsClient.search.mockResponse({
+      hits: {
+        hits: [{ _source: { 'kibana.alert.instance.id': uuid1 } }],
+      },
+    } as unknown as estypes.SearchResponse);
+    await deduplicateAttackDiscoveries({
+      ...defaultProps,
+      ownerInfo: { ...ownerInfo, isSchedule: true },
+    });
+    expect(mockLogger.info).toHaveBeenCalledWith(
+      'Attack Discovery Schedule [test-owner-1]: Found 1 duplicate alert(s), skipping report for those.'
+    );
+    expect((mockLogger.debug as jest.Mock).mock.calls[0][0]()).toBe(
+      `Attack Discovery Schedule [test-owner-1]: Duplicated alerts:\n ${JSON.stringify(
+        [uuid1].sort(),
+        null,
+        2
+      )}`
     );
   });
 });
diff --git a/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/persistence/deduplication/index.ts b/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/persistence/deduplication/index.ts
index 79e5d4c35b73f..094770a88ff7e 100644
--- a/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/persistence/deduplication/index.ts
+++ b/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/persistence/deduplication/index.ts
@@ -18,7 +18,10 @@ interface DeduplicateAttackDiscoveriesParams {
   esClient: ElasticsearchClient;
   indexPattern: string;
   logger: Logger;
-  ownerId: string;
+  ownerInfo: {
+    id: string;
+    isSchedule: boolean;
+  };
   replacements: Replacements | undefined;
   spaceId: string;
 }
@@ -29,7 +32,7 @@ export const deduplicateAttackDiscoveries = async ({
   esClient,
   indexPattern,
   logger,
-  ownerId,
+  ownerInfo,
   replacements,
   spaceId,
 }: DeduplicateAttackDiscoveriesParams): Promise<AttackDiscoveries> => {
@@ -37,6 +40,8 @@ export const deduplicateAttackDiscoveries = async ({
     return attackDiscoveries;
   }
 
+  const { id: ownerId, isSchedule } = ownerInfo;
+
   // 1. Transform all attackDiscoveries to alert documents and collect alertUuids
   const alertDocs = attackDiscoveries.map((attack) => {
     const alertHash = generateAttackDiscoveryAlertHash({
@@ -70,8 +75,15 @@ export const deduplicateAttackDiscoveries = async ({
 
   const numDuplicates = attackDiscoveries.length - newDiscoveries.length;
   if (numDuplicates > 0) {
-    logger.info(`Found ${numDuplicates} duplicate alert(s), skipping report for those.`);
-    logger.debug(() => `Duplicated alerts:\n ${JSON.stringify([...foundIds].sort(), null, 2)}`);
+    const logPrefix = isSchedule
+      ? `Attack Discovery Schedule [${ownerId}]`
+      : 'Ad-hoc Attack Discovery';
+    logger.info(
+      `${logPrefix}: Found ${numDuplicates} duplicate alert(s), skipping report for those.`
+    );
+    logger.debug(
+      () => `${logPrefix}: Duplicated alerts:\n ${JSON.stringify([...foundIds].sort(), null, 2)}`
+    );
   }
 
   return newDiscoveries;
diff --git a/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/schedules/register_schedule/executor.test.ts b/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/schedules/register_schedule/executor.test.ts
index 248b1878847c0..7f4814c8b0b06 100644
--- a/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/schedules/register_schedule/executor.test.ts
+++ b/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/schedules/register_schedule/executor.test.ts
@@ -419,7 +419,10 @@ describe('attackDiscoveryScheduleExecutor', () => {
       esClient: services.scopedClusterClient.asCurrentUser,
       indexPattern: '.alerts-security.attack.discovery.alerts-test-space',
       logger: mockLogger,
-      ownerId: executorOptions.rule.id,
+      ownerInfo: {
+        id: executorOptions.rule.id,
+        isSchedule: true,
+      },
       replacements: mockReplacements,
       spaceId,
     });
diff --git a/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/schedules/register_schedule/executor.ts b/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/schedules/register_schedule/executor.ts
index a1ef473c7297c..e52c19b4b19c5 100644
--- a/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/schedules/register_schedule/executor.ts
+++ b/x-pack/solutions/security/plugins/elastic_assistant/server/lib/attack_discovery/schedules/register_schedule/executor.ts
@@ -127,7 +127,10 @@ export const attackDiscoveryScheduleExecutor = async ({
       connectorId: params.apiConfig.connectorId,
       indexPattern,
       logger,
-      ownerId: rule.id,
+      ownerInfo: {
+        id: rule.id,
+        isSchedule: true,
+      },
       replacements,
       spaceId,
     });
diff --git a/x-pack/solutions/security/plugins/elastic_assistant/server/routes/attack_discovery/helpers/generate_and_update_discoveries.ts b/x-pack/solutions/security/plugins/elastic_assistant/server/routes/attack_discovery/helpers/generate_and_update_discoveries.ts
index bf2899b1080be..bc0664f86d2d2 100644
--- a/x-pack/solutions/security/plugins/elastic_assistant/server/routes/attack_discovery/helpers/generate_and_update_discoveries.ts
+++ b/x-pack/solutions/security/plugins/elastic_assistant/server/routes/attack_discovery/helpers/generate_and_update_discoveries.ts
@@ -111,7 +111,10 @@ export const generateAndUpdateAttackDiscoveries = async ({
         connectorId: apiConfig.connectorId,
         indexPattern,
         logger,
-        ownerId: authenticatedUser.username ?? authenticatedUser.profile_uid,
+        ownerInfo: {
+          id: authenticatedUser.username ?? authenticatedUser.profile_uid,
+          isSchedule: false,
+        },
         replacements: latestReplacements,
         spaceId: dataClient.spaceId,
       });