diff --git a/src/main/java/com/eactive/apim/portal/app/repository/CredentialRepository.java b/src/main/java/com/eactive/apim/portal/app/repository/CredentialRepository.java
index 82fc2fb..7e7fce3 100644
--- a/src/main/java/com/eactive/apim/portal/app/repository/CredentialRepository.java
+++ b/src/main/java/com/eactive/apim/portal/app/repository/CredentialRepository.java
@@ -9,6 +9,7 @@ import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
+import org.springframework.transaction.annotation.Transactional;
 
 @EMSDataSource
 public interface CredentialRepository extends BaseRepository<Credential, String> {
@@ -19,6 +20,9 @@ public interface CredentialRepository extends BaseRepository<Credential, String>
 
     List<Credential> findAllByOrgid(String orgid);
 
+    @Transactional
+    long deleteByOrgid(String orgid);
+
     Optional<Credential> findByClientidAndOrgid(String clientid, String orgid);
 
     /**
diff --git a/src/main/java/com/eactive/apim/portal/portaluser/repository/PortalUserPrivacyAgreementRepository.java b/src/main/java/com/eactive/apim/portal/portaluser/repository/PortalUserPrivacyAgreementRepository.java
index 1b2fec7..5e996b9 100644
--- a/src/main/java/com/eactive/apim/portal/portaluser/repository/PortalUserPrivacyAgreementRepository.java
+++ b/src/main/java/com/eactive/apim/portal/portaluser/repository/PortalUserPrivacyAgreementRepository.java
@@ -3,6 +3,7 @@ package com.eactive.apim.portal.portaluser.repository;
 import com.eactive.apim.portal.portaluser.entity.PortalUserPrivacyAgreement;
 import com.eactive.eai.data.jpa.BaseRepository;
 import com.eactive.eai.rms.data.EMSDataSource;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
 import java.util.Optional;
@@ -15,4 +16,8 @@ public interface PortalUserPrivacyAgreementRepository extends BaseRepository<Por
     List<PortalUserPrivacyAgreement> findAllByCreatedBy(String createdBy);
 
 //    boolean existsByCreatedByAndTermsTypeAndTermsVersionGreaterThanEqual(String userId, String termsType, int latestVersion);
+
+    /** createdBy = PortalUser.id. */
+    @Transactional
+    long deleteByCreatedBy(String createdBy);
 }
\ No newline at end of file
diff --git a/src/main/java/com/eactive/apim/portal/portaluser/repository/PortalUserRepository.java b/src/main/java/com/eactive/apim/portal/portaluser/repository/PortalUserRepository.java
index 11b57fb..11409c0 100644
--- a/src/main/java/com/eactive/apim/portal/portaluser/repository/PortalUserRepository.java
+++ b/src/main/java/com/eactive/apim/portal/portaluser/repository/PortalUserRepository.java
@@ -40,6 +40,8 @@ public interface PortalUserRepository extends BaseRepository<PortalUser, String>
 
     long countByPortalOrg(PortalOrg portalOrg);
 
+    List<PortalUser> findAllByPortalOrg_Id(String orgId);
+
     Optional<PortalUser> findByUserName(String userName);
 
     // 암복
diff --git a/src/main/java/com/eactive/apim/portal/portaluser/repository/UserPasswordHistoryRepository.java b/src/main/java/com/eactive/apim/portal/portaluser/repository/UserPasswordHistoryRepository.java
index ad25eb9..58f32bf 100644
--- a/src/main/java/com/eactive/apim/portal/portaluser/repository/UserPasswordHistoryRepository.java
+++ b/src/main/java/com/eactive/apim/portal/portaluser/repository/UserPasswordHistoryRepository.java
@@ -5,6 +5,7 @@ import com.eactive.eai.rms.data.EMSDataSource;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
 import java.util.Optional;
@@ -15,4 +16,8 @@ public interface UserPasswordHistoryRepository extends JpaRepository<UserPasswor
     List<UserPasswordHistory> findRecentPasswordsByUserId(@Param("loginId") String loginId);
 
     Optional<UserPasswordHistory> findTopByUserIdOrderByChangeDateDesc(String loginId);
+
+    /** userId = PortalUser.id (loginId 아님 — UserRoleHistory.userId 와 반대 시맨틱). */
+    @Transactional
+    long deleteByUserId(String userId);
 }
diff --git a/src/main/java/com/eactive/apim/portal/portaluser/repository/UserRoleHistoryRepository.java b/src/main/java/com/eactive/apim/portal/portaluser/repository/UserRoleHistoryRepository.java
index 28f402d..f124a5a 100644
--- a/src/main/java/com/eactive/apim/portal/portaluser/repository/UserRoleHistoryRepository.java
+++ b/src/main/java/com/eactive/apim/portal/portaluser/repository/UserRoleHistoryRepository.java
@@ -3,6 +3,7 @@ package com.eactive.apim.portal.portaluser.repository;
 import com.eactive.apim.portal.portaluser.entity.UserRoleHistory;
 import com.eactive.eai.rms.data.EMSDataSource;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
 
@@ -10,4 +11,8 @@ import java.util.List;
 public interface UserRoleHistoryRepository extends JpaRepository<UserRoleHistory, Long> {
 
     List<UserRoleHistory> findByUserIdOrderByChangeDateDesc(String userId);
+
+    /** userId = PortalUser.loginId (id 아님 — UserPasswordHistory.userId 와 반대 시맨틱). */
+    @Transactional
+    long deleteByUserId(String userId);
 }
diff --git a/src/main/java/com/eactive/apim/portal/user/repository/UserLogRepository.java b/src/main/java/com/eactive/apim/portal/user/repository/UserLogRepository.java
index 8ff1098..360ab07 100644
--- a/src/main/java/com/eactive/apim/portal/user/repository/UserLogRepository.java
+++ b/src/main/java/com/eactive/apim/portal/user/repository/UserLogRepository.java
@@ -4,9 +4,13 @@ import com.eactive.apim.portal.user.entity.UserLog;
 import java.util.Optional;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.repository.query.Param;
+import org.springframework.transaction.annotation.Transactional;
 
 public interface UserLogRepository extends JpaRepository<UserLog, Long> {
 
     Optional<UserLog> findFirstByLoginIdAndSuccessOrderByLoginTimeDesc(@Param("loginId") String loginId,@Param("success") boolean success);
 
+    @Transactional
+    long deleteByLoginId(String loginId);
+
 }