diff --git a/x-pack/legacy/plugins/siem/public/containers/case/api.ts b/x-pack/legacy/plugins/siem/public/containers/case/api.ts
index e98c258690486..7d5ae53b78ff8 100644
--- a/x-pack/legacy/plugins/siem/public/containers/case/api.ts
+++ b/x-pack/legacy/plugins/siem/public/containers/case/api.ts
@@ -19,7 +19,9 @@ import {
   ServiceConnectorCaseResponse,
   ActionTypeExecutorResult,
 } from '../../../../../../plugins/case/common/api';
+
 import { KibanaServices } from '../../lib/kibana';
+
 import {
   ActionLicense,
   AllCases,
@@ -30,7 +32,9 @@ import {
   SortFieldCase,
   CaseUserActions,
 } from './types';
+
 import { CASES_URL } from './constants';
+
 import {
   convertToCamelCase,
   convertAllCasesToCamel,
@@ -43,12 +47,17 @@ import {
   decodeServiceConnectorCaseResponse,
 } from './utils';
 
-export const getCase = async (caseId: string, includeComments: boolean = true): Promise<Case> => {
+export const getCase = async (
+  caseId: string,
+  includeComments: boolean = true,
+  signal: AbortSignal
+): Promise<Case> => {
   const response = await KibanaServices.get().http.fetch<CaseResponse>(`${CASES_URL}/${caseId}`, {
     method: 'GET',
     query: {
       includeComments,
     },
+    signal,
   });
   return convertToCamelCase<CaseResponse, Case>(decodeCaseResponse(response));
 };
@@ -64,9 +73,10 @@ export const getCasesStatus = async (signal: AbortSignal): Promise<CasesStatus>
   return convertToCamelCase<CasesStatusResponse, CasesStatus>(decodeCasesStatusResponse(response));
 };
 
-export const getTags = async (): Promise<string[]> => {
+export const getTags = async (signal: AbortSignal): Promise<string[]> => {
   const response = await KibanaServices.get().http.fetch<string[]>(`${CASES_URL}/tags`, {
     method: 'GET',
+    signal,
   });
   return response ?? [];
 };
@@ -106,6 +116,7 @@ export const getCases = async ({
     sortField: SortFieldCase.createdAt,
     sortOrder: 'desc',
   },
+  signal,
 }: FetchCasesProps): Promise<AllCases> => {
   const query = {
     reporters: filterOptions.reporters.map(r => r.username),
@@ -117,14 +128,16 @@ export const getCases = async ({
   const response = await KibanaServices.get().http.fetch<CasesFindResponse>(`${CASES_URL}/_find`, {
     method: 'GET',
     query,
+    signal,
   });
   return convertAllCasesToCamel(decodeCasesFindResponse(response));
 };
 
-export const postCase = async (newCase: CasePostRequest): Promise<Case> => {
+export const postCase = async (newCase: CasePostRequest, signal: AbortSignal): Promise<Case> => {
   const response = await KibanaServices.get().http.fetch<CaseResponse>(CASES_URL, {
     method: 'POST',
     body: JSON.stringify(newCase),
+    signal,
   });
   return convertToCamelCase<CaseResponse, Case>(decodeCaseResponse(response));
 };
@@ -132,29 +145,40 @@ export const postCase = async (newCase: CasePostRequest): Promise<Case> => {
 export const patchCase = async (
   caseId: string,
   updatedCase: Pick<CasePatchRequest, 'description' | 'status' | 'tags' | 'title'>,
-  version: string
+  version: string,
+  signal: AbortSignal
 ): Promise<Case[]> => {
   const response = await KibanaServices.get().http.fetch<CasesResponse>(CASES_URL, {
     method: 'PATCH',
     body: JSON.stringify({ cases: [{ ...updatedCase, id: caseId, version }] }),
+    signal,
   });
   return convertToCamelCase<CasesResponse, Case[]>(decodeCasesResponse(response));
 };
 
-export const patchCasesStatus = async (cases: BulkUpdateStatus[]): Promise<Case[]> => {
+export const patchCasesStatus = async (
+  cases: BulkUpdateStatus[],
+  signal: AbortSignal
+): Promise<Case[]> => {
   const response = await KibanaServices.get().http.fetch<CasesResponse>(CASES_URL, {
     method: 'PATCH',
     body: JSON.stringify({ cases }),
+    signal,
   });
   return convertToCamelCase<CasesResponse, Case[]>(decodeCasesResponse(response));
 };
 
-export const postComment = async (newComment: CommentRequest, caseId: string): Promise<Case> => {
+export const postComment = async (
+  newComment: CommentRequest,
+  caseId: string,
+  signal: AbortSignal
+): Promise<Case> => {
   const response = await KibanaServices.get().http.fetch<CaseResponse>(
     `${CASES_URL}/${caseId}/comments`,
     {
       method: 'POST',
       body: JSON.stringify(newComment),
+      signal,
     }
   );
   return convertToCamelCase<CaseResponse, Case>(decodeCaseResponse(response));
@@ -164,22 +188,25 @@ export const patchComment = async (
   caseId: string,
   commentId: string,
   commentUpdate: string,
-  version: string
+  version: string,
+  signal: AbortSignal
 ): Promise<Case> => {
   const response = await KibanaServices.get().http.fetch<CaseResponse>(
     `${CASES_URL}/${caseId}/comments`,
     {
       method: 'PATCH',
       body: JSON.stringify({ comment: commentUpdate, id: commentId, version }),
+      signal,
     }
   );
   return convertToCamelCase<CaseResponse, Case>(decodeCaseResponse(response));
 };
 
-export const deleteCases = async (caseIds: string[]): Promise<boolean> => {
+export const deleteCases = async (caseIds: string[], signal: AbortSignal): Promise<boolean> => {
   const response = await KibanaServices.get().http.fetch<string>(CASES_URL, {
     method: 'DELETE',
     query: { ids: JSON.stringify(caseIds) },
+    signal,
   });
   return response === 'true' ? true : false;
 };
diff --git a/x-pack/legacy/plugins/siem/public/containers/case/types.ts b/x-pack/legacy/plugins/siem/public/containers/case/types.ts
index bbbb13788d53a..bb215d6ac271c 100644
--- a/x-pack/legacy/plugins/siem/public/containers/case/types.ts
+++ b/x-pack/legacy/plugins/siem/public/containers/case/types.ts
@@ -93,7 +93,7 @@ export interface ElasticUser {
   readonly username: string;
 }
 
-export interface FetchCasesProps {
+export interface FetchCasesProps extends ApiProps {
   queryParams?: QueryParams;
   filterOptions?: FilterOptions;
 }
diff --git a/x-pack/legacy/plugins/siem/public/containers/case/use_bulk_update_case.tsx b/x-pack/legacy/plugins/siem/public/containers/case/use_bulk_update_case.tsx
index 77d779ab906cf..f1129bae9f537 100644
--- a/x-pack/legacy/plugins/siem/public/containers/case/use_bulk_update_case.tsx
+++ b/x-pack/legacy/plugins/siem/public/containers/case/use_bulk_update_case.tsx
@@ -66,10 +66,12 @@ export const useUpdateCases = (): UseUpdateCase => {
 
   const dispatchUpdateCases = useCallback((cases: BulkUpdateStatus[]) => {
     let cancel = false;
+    const abortCtrl = new AbortController();
+
     const patchData = async () => {
       try {
         dispatch({ type: 'FETCH_INIT' });
-        await patchCasesStatus(cases);
+        await patchCasesStatus(cases, abortCtrl.signal);
         if (!cancel) {
           dispatch({ type: 'FETCH_SUCCESS', payload: true });
         }
@@ -87,6 +89,7 @@ export const useUpdateCases = (): UseUpdateCase => {
     patchData();
     return () => {
       cancel = true;
+      abortCtrl.abort();
     };
   }, []);
 
diff --git a/x-pack/legacy/plugins/siem/public/containers/case/use_delete_cases.tsx b/x-pack/legacy/plugins/siem/public/containers/case/use_delete_cases.tsx
index d5a3b3cf9314c..b44e01d06acaf 100644
--- a/x-pack/legacy/plugins/siem/public/containers/case/use_delete_cases.tsx
+++ b/x-pack/legacy/plugins/siem/public/containers/case/use_delete_cases.tsx
@@ -74,10 +74,12 @@ export const useDeleteCases = (): UseDeleteCase => {
 
   const dispatchDeleteCases = useCallback((caseIds: string[]) => {
     let cancel = false;
+    const abortCtrl = new AbortController();
+
     const deleteData = async () => {
       try {
         dispatch({ type: 'FETCH_INIT' });
-        await deleteCases(caseIds);
+        await deleteCases(caseIds, abortCtrl.signal);
         if (!cancel) {
           dispatch({ type: 'FETCH_SUCCESS', payload: true });
         }
@@ -94,6 +96,7 @@ export const useDeleteCases = (): UseDeleteCase => {
     };
     deleteData();
     return () => {
+      abortCtrl.abort();
       cancel = true;
     };
   }, []);
diff --git a/x-pack/legacy/plugins/siem/public/containers/case/use_get_case.tsx b/x-pack/legacy/plugins/siem/public/containers/case/use_get_case.tsx
index 506be62614c14..835fb7153dc95 100644
--- a/x-pack/legacy/plugins/siem/public/containers/case/use_get_case.tsx
+++ b/x-pack/legacy/plugins/siem/public/containers/case/use_get_case.tsx
@@ -92,10 +92,12 @@ export const useGetCase = (caseId: string): UseGetCase => {
 
   const callFetch = useCallback(async () => {
     let didCancel = false;
+    const abortCtrl = new AbortController();
+
     const fetchData = async () => {
       dispatch({ type: 'FETCH_INIT' });
       try {
-        const response = await getCase(caseId);
+        const response = await getCase(caseId, true, abortCtrl.signal);
         if (!didCancel) {
           dispatch({ type: 'FETCH_SUCCESS', payload: response });
         }
@@ -113,6 +115,7 @@ export const useGetCase = (caseId: string): UseGetCase => {
     fetchData();
     return () => {
       didCancel = true;
+      abortCtrl.abort();
     };
   }, [caseId]);
 
diff --git a/x-pack/legacy/plugins/siem/public/containers/case/use_get_cases.tsx b/x-pack/legacy/plugins/siem/public/containers/case/use_get_cases.tsx
index ae7b8f3c043fa..323dc23e1b24e 100644
--- a/x-pack/legacy/plugins/siem/public/containers/case/use_get_cases.tsx
+++ b/x-pack/legacy/plugins/siem/public/containers/case/use_get_cases.tsx
@@ -149,12 +149,15 @@ export const useGetCases = (initialQueryParams?: QueryParams): UseGetCases => {
 
   const fetchCases = useCallback((filterOptions: FilterOptions, queryParams: QueryParams) => {
     let didCancel = false;
+    const abortCtrl = new AbortController();
+
     const fetchData = async () => {
       dispatch({ type: 'FETCH_INIT', payload: 'cases' });
       try {
         const response = await getCases({
           filterOptions,
           queryParams,
+          signal: abortCtrl.signal,
         });
         if (!didCancel) {
           dispatch({
@@ -175,6 +178,7 @@ export const useGetCases = (initialQueryParams?: QueryParams): UseGetCases => {
     };
     fetchData();
     return () => {
+      abortCtrl.abort();
       didCancel = true;
     };
   }, []);
@@ -187,13 +191,17 @@ export const useGetCases = (initialQueryParams?: QueryParams): UseGetCases => {
   const dispatchUpdateCaseProperty = useCallback(
     ({ updateKey, updateValue, caseId, refetchCasesStatus, version }: UpdateCase) => {
       let didCancel = false;
+      const abortCtrl = new AbortController();
+
       const fetchData = async () => {
         dispatch({ type: 'FETCH_INIT', payload: 'caseUpdate' });
         try {
           await patchCase(
             caseId,
             { [updateKey]: updateValue },
-            version ?? '' // saved object versions are typed as string | undefined, hope that's not true
+            // saved object versions are typed as string | undefined, hope that's not true
+            version ?? '',
+            abortCtrl.signal
           );
           if (!didCancel) {
             dispatch({ type: 'FETCH_UPDATE_CASE_SUCCESS' });
@@ -209,6 +217,7 @@ export const useGetCases = (initialQueryParams?: QueryParams): UseGetCases => {
       };
       fetchData();
       return () => {
+        abortCtrl.abort();
         didCancel = true;
       };
     },
diff --git a/x-pack/legacy/plugins/siem/public/containers/case/use_get_tags.tsx b/x-pack/legacy/plugins/siem/public/containers/case/use_get_tags.tsx
index e3657f5b09da9..b41d5aab5c07a 100644
--- a/x-pack/legacy/plugins/siem/public/containers/case/use_get_tags.tsx
+++ b/x-pack/legacy/plugins/siem/public/containers/case/use_get_tags.tsx
@@ -57,10 +57,12 @@ export const useGetTags = (): TagsState => {
 
   useEffect(() => {
     let didCancel = false;
+    const abortCtrl = new AbortController();
+
     const fetchData = async () => {
       dispatch({ type: 'FETCH_INIT' });
       try {
-        const response = await getTags();
+        const response = await getTags(abortCtrl.signal);
         if (!didCancel) {
           dispatch({ type: 'FETCH_SUCCESS', payload: response });
         }
@@ -77,6 +79,7 @@ export const useGetTags = (): TagsState => {
     };
     fetchData();
     return () => {
+      abortCtrl.abort();
       didCancel = true;
     };
   }, []);
diff --git a/x-pack/legacy/plugins/siem/public/containers/case/use_post_case.tsx b/x-pack/legacy/plugins/siem/public/containers/case/use_post_case.tsx
index 2ad7a08473200..0e01364721dc5 100644
--- a/x-pack/legacy/plugins/siem/public/containers/case/use_post_case.tsx
+++ b/x-pack/legacy/plugins/siem/public/containers/case/use_post_case.tsx
@@ -61,9 +61,11 @@ export const usePostCase = (): UsePostCase => {
 
   const postMyCase = useCallback(async (data: CasePostRequest) => {
     let cancel = false;
+    const abortCtrl = new AbortController();
+
     try {
       dispatch({ type: 'FETCH_INIT' });
-      const response = await postCase(data);
+      const response = await postCase(data, abortCtrl.signal);
       if (!cancel) {
         dispatch({
           type: 'FETCH_SUCCESS',
@@ -81,6 +83,7 @@ export const usePostCase = (): UsePostCase => {
       }
     }
     return () => {
+      abortCtrl.abort();
       cancel = true;
     };
   }, []);
diff --git a/x-pack/legacy/plugins/siem/public/containers/case/use_post_comment.tsx b/x-pack/legacy/plugins/siem/public/containers/case/use_post_comment.tsx
index 86b7f92ace5ad..207b05814717f 100644
--- a/x-pack/legacy/plugins/siem/public/containers/case/use_post_comment.tsx
+++ b/x-pack/legacy/plugins/siem/public/containers/case/use_post_comment.tsx
@@ -55,9 +55,11 @@ export const usePostComment = (caseId: string): UsePostComment => {
   const postMyComment = useCallback(
     async (data: CommentRequest, updateCase: (newCase: Case) => void) => {
       let cancel = false;
+      const abortCtrl = new AbortController();
+
       try {
         dispatch({ type: 'FETCH_INIT' });
-        const response = await postComment(data, caseId);
+        const response = await postComment(data, caseId, abortCtrl.signal);
         if (!cancel) {
           dispatch({ type: 'FETCH_SUCCESS' });
           updateCase(response);
@@ -73,6 +75,7 @@ export const usePostComment = (caseId: string): UsePostComment => {
         }
       }
       return () => {
+        abortCtrl.abort();
         cancel = true;
       };
     },
diff --git a/x-pack/legacy/plugins/siem/public/containers/case/use_post_push_to_service.tsx b/x-pack/legacy/plugins/siem/public/containers/case/use_post_push_to_service.tsx
index d00755a9f2426..03e10249317ee 100644
--- a/x-pack/legacy/plugins/siem/public/containers/case/use_post_push_to_service.tsx
+++ b/x-pack/legacy/plugins/siem/public/containers/case/use_post_push_to_service.tsx
@@ -87,7 +87,7 @@ export const usePostPushToService = (): UsePostPushToService => {
       const abortCtrl = new AbortController();
       try {
         dispatch({ type: 'FETCH_INIT' });
-        const casePushData = await getCase(caseId);
+        const casePushData = await getCase(caseId, true, abortCtrl.signal);
         const responseService = await pushToService(
           connectorId,
           formatServiceRequestData(casePushData),
diff --git a/x-pack/legacy/plugins/siem/public/containers/case/use_update_case.tsx b/x-pack/legacy/plugins/siem/public/containers/case/use_update_case.tsx
index d1015d3f74250..85ad4fd3fc47a 100644
--- a/x-pack/legacy/plugins/siem/public/containers/case/use_update_case.tsx
+++ b/x-pack/legacy/plugins/siem/public/containers/case/use_update_case.tsx
@@ -76,9 +76,16 @@ export const useUpdateCase = ({ caseId }: { caseId: string }): UseUpdateCase =>
   const dispatchUpdateCaseProperty = useCallback(
     async ({ fetchCaseUserActions, updateKey, updateValue, updateCase, version }: UpdateByKey) => {
       let cancel = false;
+      const abortCtrl = new AbortController();
+
       try {
         dispatch({ type: 'FETCH_INIT', payload: updateKey });
-        const response = await patchCase(caseId, { [updateKey]: updateValue }, version);
+        const response = await patchCase(
+          caseId,
+          { [updateKey]: updateValue },
+          version,
+          abortCtrl.signal
+        );
         if (!cancel) {
           if (fetchCaseUserActions != null) {
             fetchCaseUserActions(caseId);
@@ -100,6 +107,7 @@ export const useUpdateCase = ({ caseId }: { caseId: string }): UseUpdateCase =>
       }
       return () => {
         cancel = true;
+        abortCtrl.abort();
       };
     },
     []
diff --git a/x-pack/legacy/plugins/siem/public/containers/case/use_update_comment.tsx b/x-pack/legacy/plugins/siem/public/containers/case/use_update_comment.tsx
index b83ed2c01708a..faf9649a705c5 100644
--- a/x-pack/legacy/plugins/siem/public/containers/case/use_update_comment.tsx
+++ b/x-pack/legacy/plugins/siem/public/containers/case/use_update_comment.tsx
@@ -81,9 +81,16 @@ export const useUpdateComment = (): UseUpdateComment => {
       version,
     }: UpdateComment) => {
       let cancel = false;
+      const abortCtrl = new AbortController();
       try {
         dispatch({ type: 'FETCH_INIT', payload: commentId });
-        const response = await patchComment(caseId, commentId, commentUpdate, version);
+        const response = await patchComment(
+          caseId,
+          commentId,
+          commentUpdate,
+          version,
+          abortCtrl.signal
+        );
         if (!cancel) {
           updateCase(response);
           fetchUserActions();
@@ -101,6 +108,7 @@ export const useUpdateComment = (): UseUpdateComment => {
       }
       return () => {
         cancel = true;
+        abortCtrl.abort();
       };
     },
     []