diff --git a/x-pack/plugins/security_solution/server/endpoint/ingest_integration.ts b/x-pack/plugins/security_solution/server/endpoint/ingest_integration.ts
index 0c1b13f0646a3..11d4b12d0b76a 100644
--- a/x-pack/plugins/security_solution/server/endpoint/ingest_integration.ts
+++ b/x-pack/plugins/security_solution/server/endpoint/ingest_integration.ts
@@ -11,7 +11,7 @@ import { NewPolicyData } from '../../common/endpoint/types';
 import { ManifestManager } from './services/artifacts';
 import { Manifest } from './lib/artifacts';
 import { reportErrors, ManifestConstants } from './lib/artifacts/common';
-import { InternalArtifactSchema } from './schemas/artifacts';
+import { InternalArtifactCompleteSchema } from './schemas/artifacts';
 import { manifestDispatchSchema } from '../../common/endpoint/schema/manifest';
 
 const getManifest = async (logger: Logger, manifestManager: ManifestManager): Promise<Manifest> => {
@@ -39,7 +39,7 @@ const getManifest = async (logger: Logger, manifestManager: ManifestManager): Pr
       // Persist new artifacts
       const artifacts = adds
         .map((artifactId) => newManifest.getArtifact(artifactId))
-        .filter((artifact) => artifact !== undefined) as InternalArtifactSchema[];
+        .filter((artifact): artifact is InternalArtifactCompleteSchema => artifact !== undefined);
       if (artifacts.length !== adds.length) {
         throw new Error('Invalid artifact encountered.');
       }
diff --git a/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/common.ts b/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/common.ts
index cfaed56c25e59..7298a9bfa72a6 100644
--- a/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/common.ts
+++ b/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/common.ts
@@ -4,7 +4,11 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 import { Logger } from 'src/core/server';
-import { InternalArtifactSchema } from '../../schemas/artifacts';
+import {
+  InternalArtifactSchema,
+  InternalArtifactCompleteSchema,
+  internalArtifactCompleteSchema,
+} from '../../schemas/artifacts';
 
 export const ArtifactConstants = {
   GLOBAL_ALLOWLIST_NAME: 'endpoint-exceptionlist',
@@ -22,6 +26,12 @@ export const getArtifactId = (artifact: InternalArtifactSchema) => {
   return `${artifact.identifier}-${artifact.decodedSha256}`;
 };
 
+export const isCompleteArtifact = (
+  artifact: InternalArtifactSchema
+): artifact is InternalArtifactCompleteSchema => {
+  return internalArtifactCompleteSchema.is(artifact);
+};
+
 export const reportErrors = (logger: Logger, errors: Error[]) => {
   errors.forEach((err) => {
     logger.error(err);
diff --git a/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/manifest.test.ts b/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/manifest.test.ts
index 95f9eeef2194f..95587c6fc105d 100644
--- a/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/manifest.test.ts
+++ b/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/manifest.test.ts
@@ -5,7 +5,7 @@
  */
 
 import { ManifestSchemaVersion } from '../../../../common/endpoint/schema/common';
-import { InternalArtifactSchema } from '../../schemas';
+import { InternalArtifactCompleteSchema } from '../../schemas';
 import { ManifestConstants, getArtifactId } from './common';
 import { Manifest } from './manifest';
 import {
@@ -17,7 +17,7 @@ import {
 
 describe('manifest', () => {
   describe('Manifest object sanity checks', () => {
-    let artifacts: InternalArtifactSchema[] = [];
+    let artifacts: InternalArtifactCompleteSchema[] = [];
     let manifest1: Manifest;
     let manifest2: Manifest;
     let emptyManifest: Manifest;
diff --git a/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/manifest.ts b/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/manifest.ts
index bf49108529170..6ece2bf0f48e8 100644
--- a/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/manifest.ts
+++ b/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/manifest.ts
@@ -10,6 +10,7 @@ import {
   InternalArtifactSchema,
   InternalManifestSchema,
   internalArtifactCompleteSchema,
+  InternalArtifactCompleteSchema,
 } from '../../schemas/artifacts';
 import {
   manifestSchemaVersion,
@@ -53,7 +54,7 @@ export class Manifest {
   }
 
   public static fromArtifacts(
-    artifacts: InternalArtifactSchema[],
+    artifacts: InternalArtifactCompleteSchema[],
     schemaVersion: string,
     oldManifest: Manifest
   ): Manifest {
diff --git a/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/mocks.ts b/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/mocks.ts
index 904b19e8e02a8..097151ee835ba 100644
--- a/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/mocks.ts
+++ b/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/mocks.ts
@@ -4,7 +4,7 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import { InternalArtifactSchema } from '../../schemas/artifacts';
+import { InternalArtifactCompleteSchema } from '../../schemas/artifacts';
 import {
   getInternalArtifactMock,
   getInternalArtifactMockWithDiffs,
@@ -15,7 +15,7 @@ import { Manifest } from './manifest';
 
 export const getMockArtifacts = async (opts?: { compress: boolean }) => {
   return Promise.all(
-    ArtifactConstants.SUPPORTED_OPERATING_SYSTEMS.map<Promise<InternalArtifactSchema>>(
+    ArtifactConstants.SUPPORTED_OPERATING_SYSTEMS.map<Promise<InternalArtifactCompleteSchema>>(
       async (os) => {
         return getInternalArtifactMock(os, 'v1', opts);
       }
@@ -25,7 +25,7 @@ export const getMockArtifacts = async (opts?: { compress: boolean }) => {
 
 export const getMockArtifactsWithDiff = async (opts?: { compress: boolean }) => {
   return Promise.all(
-    ArtifactConstants.SUPPORTED_OPERATING_SYSTEMS.map<Promise<InternalArtifactSchema>>(
+    ArtifactConstants.SUPPORTED_OPERATING_SYSTEMS.map<Promise<InternalArtifactCompleteSchema>>(
       async (os) => {
         if (os === 'linux') {
           return getInternalArtifactMockWithDiffs(os, 'v1');
@@ -38,7 +38,7 @@ export const getMockArtifactsWithDiff = async (opts?: { compress: boolean }) =>
 
 export const getEmptyMockArtifacts = async (opts?: { compress: boolean }) => {
   return Promise.all(
-    ArtifactConstants.SUPPORTED_OPERATING_SYSTEMS.map<Promise<InternalArtifactSchema>>(
+    ArtifactConstants.SUPPORTED_OPERATING_SYSTEMS.map<Promise<InternalArtifactCompleteSchema>>(
       async (os) => {
         return getEmptyInternalArtifactMock(os, 'v1', opts);
       }
diff --git a/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/task.ts b/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/task.ts
index fec9434dd8532..ba164059866ea 100644
--- a/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/task.ts
+++ b/x-pack/plugins/security_solution/server/endpoint/lib/artifacts/task.ts
@@ -12,7 +12,7 @@ import {
 } from '../../../../../task_manager/server';
 import { EndpointAppContext } from '../../types';
 import { reportErrors, ManifestConstants } from './common';
-import { InternalArtifactSchema } from '../../schemas/artifacts';
+import { InternalArtifactCompleteSchema } from '../../schemas/artifacts';
 
 export const ManifestTaskConstants = {
   TIMEOUT: '1m',
@@ -119,7 +119,7 @@ export class ManifestTask {
       // Persist new artifacts
       const artifacts = adds
         .map((artifactId) => newManifest.getArtifact(artifactId))
-        .filter((artifact) => artifact !== undefined) as InternalArtifactSchema[];
+        .filter((artifact): artifact is InternalArtifactCompleteSchema => artifact !== undefined);
       if (artifacts.length !== adds.length) {
         throw new Error('Invalid artifact encountered.');
       }
diff --git a/x-pack/plugins/security_solution/server/endpoint/services/artifacts/manifest_manager/manifest_manager.test.ts b/x-pack/plugins/security_solution/server/endpoint/services/artifacts/manifest_manager/manifest_manager.test.ts
index fde786f5622cc..ff331f7d017f4 100644
--- a/x-pack/plugins/security_solution/server/endpoint/services/artifacts/manifest_manager/manifest_manager.test.ts
+++ b/x-pack/plugins/security_solution/server/endpoint/services/artifacts/manifest_manager/manifest_manager.test.ts
@@ -7,7 +7,12 @@
 import { inflateSync } from 'zlib';
 import { savedObjectsClientMock } from 'src/core/server/mocks';
 import { createPackageConfigServiceMock } from '../../../../../../ingest_manager/server/mocks';
-import { ArtifactConstants, ManifestConstants, ExceptionsCache } from '../../../lib/artifacts';
+import {
+  ArtifactConstants,
+  ManifestConstants,
+  ExceptionsCache,
+  isCompleteArtifact,
+} from '../../../lib/artifacts';
 import { getManifestManagerMock } from './manifest_manager.mock';
 
 describe('manifest_manager', () => {
@@ -61,7 +66,13 @@ describe('manifest_manager', () => {
 
       const newArtifactId = diffs[1].id;
       await newManifest.compressArtifact(newArtifactId);
-      await manifestManager.pushArtifacts([newManifest.getArtifact(newArtifactId)!]); // caches the artifact
+      const artifact = newManifest.getArtifact(newArtifactId)!;
+
+      if (isCompleteArtifact(artifact)) {
+        await manifestManager.pushArtifacts([artifact]); // caches the artifact
+      } else {
+        throw new Error('Artifact is missing a body.');
+      }
 
       const entry = JSON.parse(inflateSync(cache.get(newArtifactId)! as Buffer).toString());
       expect(entry).toEqual({
@@ -205,7 +216,14 @@ describe('manifest_manager', () => {
       const oldArtifactId = diffs[0].id;
       const newArtifactId = diffs[1].id;
       await newManifest.compressArtifact(newArtifactId);
-      await manifestManager.pushArtifacts([newManifest.getArtifact(newArtifactId)!]);
+
+      const artifact = newManifest.getArtifact(newArtifactId)!;
+      if (isCompleteArtifact(artifact)) {
+        await manifestManager.pushArtifacts([artifact]);
+      } else {
+        throw new Error('Artifact is missing a body.');
+      }
+
       await manifestManager.commit(newManifest);
       await manifestManager.deleteArtifacts([oldArtifactId]);
 
diff --git a/x-pack/plugins/security_solution/server/endpoint/services/artifacts/manifest_manager/manifest_manager.ts b/x-pack/plugins/security_solution/server/endpoint/services/artifacts/manifest_manager/manifest_manager.ts
index 9c6f1b93ae00c..2501f07cb26e0 100644
--- a/x-pack/plugins/security_solution/server/endpoint/services/artifacts/manifest_manager/manifest_manager.ts
+++ b/x-pack/plugins/security_solution/server/endpoint/services/artifacts/manifest_manager/manifest_manager.ts
@@ -21,7 +21,6 @@ import {
   getArtifactId,
 } from '../../../lib/artifacts';
 import {
-  InternalArtifactSchema,
   InternalArtifactCompleteSchema,
   internalArtifactCompleteSchema,
 } from '../../../schemas/artifacts';
@@ -78,25 +77,24 @@ export class ManifestManager {
    * state of exception-list-agnostic SOs.
    *
    * @param schemaVersion The schema version of the artifact
-   * @returns {Promise<InternalArtifactSchema[]>} An array of uncompressed artifacts built from exception-list-agnostic SOs.
+   * @returns {Promise<InternalArtifactCompleteSchema[]>} An array of uncompressed artifacts built from exception-list-agnostic SOs.
    * @throws Throws/rejects if there are errors building the list.
    */
   protected async buildExceptionListArtifacts(
     schemaVersion: string
-  ): Promise<InternalArtifactSchema[]> {
-    return ArtifactConstants.SUPPORTED_OPERATING_SYSTEMS.reduce<Promise<InternalArtifactSchema[]>>(
-      async (acc, os) => {
-        const exceptionList = await getFullEndpointExceptionList(
-          this.exceptionListClient,
-          os,
-          schemaVersion
-        );
-        const artifacts = await acc;
-        const artifact = await buildArtifact(exceptionList, os, schemaVersion);
-        return Promise.resolve([...artifacts, artifact]);
-      },
-      Promise.resolve([])
-    );
+  ): Promise<InternalArtifactCompleteSchema[]> {
+    return ArtifactConstants.SUPPORTED_OPERATING_SYSTEMS.reduce<
+      Promise<InternalArtifactCompleteSchema[]>
+    >(async (acc, os) => {
+      const exceptionList = await getFullEndpointExceptionList(
+        this.exceptionListClient,
+        os,
+        schemaVersion
+      );
+      const artifacts = await acc;
+      const artifact = await buildArtifact(exceptionList, os, schemaVersion);
+      return Promise.resolve([...artifacts, artifact]);
+    }, Promise.resolve([]));
   }
 
   /**
@@ -130,7 +128,7 @@ export class ManifestManager {
    * @param artifacts An InternalArtifactCompleteSchema array representing the artifacts.
    * @returns {Promise<Error[]>} Any errors encountered.
    */
-  public async pushArtifacts(artifacts: InternalArtifactSchema[]): Promise<Error[]> {
+  public async pushArtifacts(artifacts: InternalArtifactCompleteSchema[]): Promise<Error[]> {
     const errors: Error[] = [];
     for (const artifact of artifacts) {
       if (internalArtifactCompleteSchema.is(artifact)) {