diff --git a/src/main/java/egovframework/com/mtdata/comtrls/mapper/ComtrlsdataMapper.java b/src/main/java/egovframework/com/mtdata/comtrls/mapper/ComtrlsdataMapper.java
index 8926b2c..3d4a9b7 100644
--- a/src/main/java/egovframework/com/mtdata/comtrls/mapper/ComtrlsdataMapper.java
+++ b/src/main/java/egovframework/com/mtdata/comtrls/mapper/ComtrlsdataMapper.java
@@ -80,4 +80,6 @@ public interface ComtrlsdataMapper {
     int deleteComtrlsData(Map<String, Object> param) throws Exception;
 
 
+
+    void deIdentificationMasking(ComtrlsColVO vo) throws Exception;
 }
diff --git a/src/main/java/egovframework/com/mtdata/comtrls/service/ComtrlsdataService.java b/src/main/java/egovframework/com/mtdata/comtrls/service/ComtrlsdataService.java
index 348b3cc..12f729d 100644
--- a/src/main/java/egovframework/com/mtdata/comtrls/service/ComtrlsdataService.java
+++ b/src/main/java/egovframework/com/mtdata/comtrls/service/ComtrlsdataService.java
@@ -63,4 +63,5 @@ public interface ComtrlsdataService {
 
 	ComtrlsSrcdataDTO selectComtrlsSrcData(ComtrlsSrcdataVO vo) throws Exception;
 
+	void deIdentificationMasking(ComtrlsColVO vo) throws Exception;
 }
diff --git a/src/main/java/egovframework/com/mtdata/comtrls/service/impl/ComtrlsdataServiceImpl.java b/src/main/java/egovframework/com/mtdata/comtrls/service/impl/ComtrlsdataServiceImpl.java
index 5d9d8ef..ceb1b76 100644
--- a/src/main/java/egovframework/com/mtdata/comtrls/service/impl/ComtrlsdataServiceImpl.java
+++ b/src/main/java/egovframework/com/mtdata/comtrls/service/impl/ComtrlsdataServiceImpl.java
@@ -75,4 +75,9 @@ public class ComtrlsdataServiceImpl extends EgovAbstractServiceImpl implements C
 				.data(dataList)
 				.build();
 	}
+
+	@Override
+	public void deIdentificationMasking(ComtrlsColVO vo) throws Exception{
+		comtrlsdataMapper.deIdentificationMasking(vo);
+	}
 }
diff --git a/src/main/java/egovframework/com/mtdata/comtrls/web/ComtrlsdataController.java b/src/main/java/egovframework/com/mtdata/comtrls/web/ComtrlsdataController.java
index 854f1d6..69351ca 100644
--- a/src/main/java/egovframework/com/mtdata/comtrls/web/ComtrlsdataController.java
+++ b/src/main/java/egovframework/com/mtdata/comtrls/web/ComtrlsdataController.java
@@ -163,4 +163,23 @@ public class ComtrlsdataController {
 			return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(e.getMessage());
 		}
 	}
+
+
+	/**
+	 * 공유데이터 비식별화 - 마스킹
+	 *
+	 * @param comtrlsColVO
+	 * @return
+	 * @throws Exception
+	 */
+	@GetMapping(value="/deIdendtify/masking.do")
+	public ResponseEntity<?> deIdendtifyMasking(ComtrlsColVO comtrlsColVO) {
+		try{
+			comtrlsdataService.deIdentificationMasking(comtrlsColVO);
+			return ResponseEntity.ok().build();
+		} catch(Exception e){
+			log.error("Exception", e);
+			return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(e.getMessage());
+		}
+	}
 }
diff --git a/src/main/resources/egovframework/sqlmap/mtdata/mappers/comtrls/Comtrlsdata_SQL.xml b/src/main/resources/egovframework/sqlmap/mtdata/mappers/comtrls/Comtrlsdata_SQL.xml
index 43602db..9945451 100644
--- a/src/main/resources/egovframework/sqlmap/mtdata/mappers/comtrls/Comtrlsdata_SQL.xml
+++ b/src/main/resources/egovframework/sqlmap/mtdata/mappers/comtrls/Comtrlsdata_SQL.xml
@@ -107,4 +107,17 @@
 		WHERE	RLS_DATA_ID = #{rlsDataId}
 	</select>
 
+	<update id="deIdentificationMasking" parameterType="ComtrlsColVO" >
+		<bind name="path" value="'{' + rlsDataColNm + '}'" />
+		UPDATE comtrlsdata
+		SET rls_data_vl = jsonb_set(
+			rls_data_vl,
+			${path},
+			to_jsonb(
+				LEFT(rls_data_vl ->> #{rlsDataColNm}, 1) || REPEAT('*', LENGTH(rls_data_vl ->> #{rlsDataColNm}) - 1)
+			)
+		)
+		WHERE rls_data_id = #{rlsDataId}
+	</update>
+
 </mapper>