diff --git a/apps/dm/app/store/sdmMng/index.tsx b/apps/dm/app/store/sdmMng/index.tsx
index b5b258839..ef7fb4cea 100644
--- a/apps/dm/app/store/sdmMng/index.tsx
+++ b/apps/dm/app/store/sdmMng/index.tsx
@@ -167,7 +167,7 @@ export type DemandMatchings = {
 
 // 유사사례
 export type SimilarCaseType = {
-  ruseBizNm : string | '';
+  ruseBizNm : string | '';    // 사업명
   bizBgngDate : string | '';
   bizEndDate : string | '';
   splyFcltKnd : string | '';
@@ -751,11 +751,23 @@ export const SdmReducer = (set: any): SdmActions => {
     // 유사사례 조회
     getSimilarCaseList: async (part: string, value: number|string) => {
       const res = await fetchGetSimilarCaseList(part, value);
-      if(res && res.length !== 0) {
+      const similarCaseList = res.map((el: SimilarCaseType) => {
+        const maskedBizNm = el.ruseBizNm
+          ? el.ruseBizNm.replace(/^(\s*)^\S+/, "***") // 첫 단어(공백 전까지) 치환
+          : el.ruseBizNm;
+
+        return {
+          ...el,
+          ruseBizNm: maskedBizNm,
+        };
+      });
+      console.log(similarCaseList);
+      
+      if(similarCaseList && similarCaseList.length !== 0) {
         set((state: SdmType) => ({
           Sdm: {  
             ...state.Sdm,
-            similarCaseList: res,
+            similarCaseList: similarCaseList,
           }
         }))
         return;