diff --git a/dms-core/src/main/kotlin/team/aliens/dms/domain/room/service/RoomService.kt b/dms-core/src/main/kotlin/team/aliens/dms/domain/room/service/RoomService.kt
index 12beb096f..e5c22d442 100644
--- a/dms-core/src/main/kotlin/team/aliens/dms/domain/room/service/RoomService.kt
+++ b/dms-core/src/main/kotlin/team/aliens/dms/domain/room/service/RoomService.kt
@@ -1,6 +1,6 @@
 package team.aliens.dms.domain.room.service
 
-import org.springframework.stereotype.Service
+import team.aliens.dms.common.annotation.Service
 
 @Service
 class RoomService(
diff --git a/dms-persistence/src/main/kotlin/team/aliens/dms/common/annotation/EncryptAnnotations.kt b/dms-persistence/src/main/kotlin/team/aliens/dms/common/annotation/EncryptAnnotations.kt
new file mode 100644
index 000000000..352c32c4f
--- /dev/null
+++ b/dms-persistence/src/main/kotlin/team/aliens/dms/common/annotation/EncryptAnnotations.kt
@@ -0,0 +1,47 @@
+package team.aliens.dms.common.annotation
+
+import java.lang.annotation.Inherited
+
+/**
+ * 저장시 암호화되는 컬럼을 명시해주기 위한 어노테이션
+ */
+@Retention(AnnotationRetention.RUNTIME)
+@Target(AnnotationTarget.FIELD)
+annotation class EncryptedColumn(
+    val type: EncryptType
+)
+
+enum class EncryptType {
+    SYMMETRIC,
+    ASYMMETRIC
+}
+
+/**
+ * 메서드의 반환값에서 EncryptedColmn이 붙은 필드을 암호화하는 어노테이션
+ * @see EncryptedColumn
+ * @see team.aliens.dms.persistence.EncryptableGenericMapper
+ */
+@Inherited
+@Retention(AnnotationRetention.RUNTIME)
+@Target(AnnotationTarget.FUNCTION)
+annotation class Encrypt
+
+/**
+ * 메서드의 반환값에서 EncryptedColmn이 붙은 필드을 복호화하는 어노테이션
+ * @see EncryptedColumn
+ */
+@Inherited
+@Retention(AnnotationRetention.RUNTIME)
+@Target(AnnotationTarget.FUNCTION)
+annotation class Decrypt
+
+/**
+ * 파라미터 전달시에 암호화된 엔티티를 복호화하는 어노테이션
+ * @see team.aliens.dms.persistence.EncryptableGenericMapper
+ */
+@Inherited
+@Retention(AnnotationRetention.RUNTIME)
+@Target(AnnotationTarget.VALUE_PARAMETER)
+annotation class Decrypted(
+    val value: String = ""
+)
diff --git a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/EncryptableGenericMapper.kt b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/EncryptableGenericMapper.kt
new file mode 100644
index 000000000..4e10d0b43
--- /dev/null
+++ b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/EncryptableGenericMapper.kt
@@ -0,0 +1,12 @@
+package team.aliens.dms.persistence
+
+import team.aliens.dms.common.annotation.Decrypted
+import team.aliens.dms.common.annotation.Encrypt
+
+interface EncryptableGenericMapper<D, E> : GenericMapper<D, E> {
+
+    override fun toDomain(@Decrypted entity: E?): D?
+
+    @Encrypt
+    override fun toEntity(domain: D): E
+}
diff --git a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/notice/entity/NoticeJpaEntity.kt b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/notice/entity/NoticeJpaEntity.kt
index 1d20e6778..61583414f 100644
--- a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/notice/entity/NoticeJpaEntity.kt
+++ b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/notice/entity/NoticeJpaEntity.kt
@@ -24,7 +24,7 @@ class NoticeJpaEntity(
     @Column(columnDefinition = "VARCHAR(100)", nullable = false)
     val title: String,
 
-    @Column(columnDefinition = "VARCHAR(1000)", nullable = false)
+    @Column(columnDefinition = "TEXT", nullable = false)
     val content: String,
 
     override val createdAt: LocalDateTime,
diff --git a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/point/entity/PointHistoryJpaEntity.kt b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/point/entity/PointHistoryJpaEntity.kt
index 901e2bb3c..5548f8c2b 100644
--- a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/point/entity/PointHistoryJpaEntity.kt
+++ b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/point/entity/PointHistoryJpaEntity.kt
@@ -1,8 +1,5 @@
 package team.aliens.dms.persistence.point.entity
 
-import team.aliens.dms.domain.point.model.PointType
-import team.aliens.dms.persistence.BaseEntity
-import team.aliens.dms.persistence.school.entity.SchoolJpaEntity
 import java.time.LocalDateTime
 import java.util.UUID
 import javax.persistence.Column
@@ -13,6 +10,11 @@ import javax.persistence.FetchType
 import javax.persistence.JoinColumn
 import javax.persistence.ManyToOne
 import javax.persistence.Table
+import team.aliens.dms.common.annotation.EncryptType
+import team.aliens.dms.common.annotation.EncryptedColumn
+import team.aliens.dms.domain.point.model.PointType
+import team.aliens.dms.persistence.BaseEntity
+import team.aliens.dms.persistence.school.entity.SchoolJpaEntity
 
 @Entity
 @Table(name = "tbl_point_history")
@@ -20,10 +22,12 @@ class PointHistoryJpaEntity(
 
     id: UUID?,
 
+    @EncryptedColumn(type = EncryptType.SYMMETRIC)
     @Column(columnDefinition = "VARCHAR(30)", nullable = false)
     val studentName: String,
 
-    @Column(columnDefinition = "VARCHAR(5)", nullable = false)
+    @EncryptedColumn(type = EncryptType.SYMMETRIC)
+    @Column(columnDefinition = "TEXT", nullable = false)
     val studentGcn: String,
 
     @Column(columnDefinition = "INT", nullable = false)
diff --git a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/point/mapper/PointHistoryMapper.kt b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/point/mapper/PointHistoryMapper.kt
index 18b0ceadb..9745627aa 100644
--- a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/point/mapper/PointHistoryMapper.kt
+++ b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/point/mapper/PointHistoryMapper.kt
@@ -3,14 +3,14 @@ package team.aliens.dms.persistence.point.mapper
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Component
 import team.aliens.dms.domain.point.model.PointHistory
-import team.aliens.dms.persistence.GenericMapper
+import team.aliens.dms.persistence.EncryptableGenericMapper
 import team.aliens.dms.persistence.point.entity.PointHistoryJpaEntity
 import team.aliens.dms.persistence.school.repository.SchoolJpaRepository
 
 @Component
 class PointHistoryMapper(
     private val schoolRepository: SchoolJpaRepository
-) : GenericMapper<PointHistory, PointHistoryJpaEntity> {
+) : EncryptableGenericMapper<PointHistory, PointHistoryJpaEntity> {
 
     override fun toDomain(entity: PointHistoryJpaEntity?): PointHistory? {
         return entity?.let {
diff --git a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/StudentPersistenceAdapter.kt b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/StudentPersistenceAdapter.kt
index dc89bbc90..a503204b7 100644
--- a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/StudentPersistenceAdapter.kt
+++ b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/StudentPersistenceAdapter.kt
@@ -11,8 +11,10 @@ import com.querydsl.core.types.dsl.CaseBuilder
 import com.querydsl.core.types.dsl.Expressions
 import com.querydsl.jpa.JPAExpressions.select
 import com.querydsl.jpa.impl.JPAQueryFactory
+import java.util.UUID
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Component
+import team.aliens.dms.common.annotation.Decrypt
 import team.aliens.dms.domain.manager.dto.PointFilter
 import team.aliens.dms.domain.manager.dto.PointFilterType
 import team.aliens.dms.domain.manager.dto.Sort
@@ -32,7 +34,6 @@ import team.aliens.dms.persistence.tag.entity.QStudentTagJpaEntity.studentTagJpa
 import team.aliens.dms.persistence.tag.entity.QTagJpaEntity.tagJpaEntity
 import team.aliens.dms.persistence.tag.mapper.TagMapper
 import team.aliens.dms.persistence.user.entity.QUserJpaEntity.userJpaEntity
-import java.util.UUID
 
 @Component
 class StudentPersistenceAdapter(
@@ -148,6 +149,7 @@ class StudentPersistenceAdapter(
         return tuple.toTypedArray()
     }
 
+    @Decrypt
     override fun queryStudentsByNameAndSortAndFilter(
         name: String?,
         sort: Sort,
@@ -158,8 +160,7 @@ class StudentPersistenceAdapter(
         return queryFactory
             .selectFrom(studentJpaEntity)
             .join(studentJpaEntity.room, roomJpaEntity)
-            .join(studentJpaEntity.user, userJpaEntity)
-            .join(userJpaEntity.school, schoolJpaEntity)
+            .join(roomJpaEntity.school, schoolJpaEntity)
             .leftJoin(studentTagJpaEntity)
             .on(studentJpaEntity.id.eq(studentTagJpaEntity.student.id)).fetchJoin()
             .leftJoin(tagJpaEntity)
@@ -167,7 +168,7 @@ class StudentPersistenceAdapter(
             .leftJoin(pointHistoryJpaEntity)
             .on(eqStudentRecentPointHistory())
             .where(
-                userJpaEntity.school.id.eq(schoolId),
+                roomJpaEntity.school.id.eq(schoolId),
                 nameContains(name),
                 pointTotalBetween(pointFilter),
                 hasAllTags(tagIds)
@@ -194,22 +195,6 @@ class StudentPersistenceAdapter(
                         )
                     )
             )
-            .map {
-                StudentWithTag(
-                    id = it.id,
-                    name = it.name,
-                    grade = it.grade,
-                    classRoom = it.classRoom,
-                    number = it.number,
-                    roomNumber = it.roomNumber,
-                    profileImageUrl = it.profileImageUrl,
-                    sex = it.sex,
-                    tags = it.tags
-                        .map { tag ->
-                            tagMapper.toDomain(tag)!!
-                        }
-                )
-            }
     }
 
     private fun nameContains(name: String?) = name?.run { studentJpaEntity.name.contains(this) }
@@ -294,6 +279,7 @@ class StudentPersistenceAdapter(
             }
     }
 
+    @Decrypt
     override fun queryStudentsWithPointHistory(studentIds: List<UUID>): List<StudentWithPointVO> {
         return queryFactory
             .select(
@@ -314,16 +300,6 @@ class StudentPersistenceAdapter(
                 studentJpaEntity.id.`in`(studentIds)
             )
             .fetch()
-            .map {
-                StudentWithPointVO(
-                    name = it.name,
-                    grade = it.grade,
-                    classRoom = it.classRoom,
-                    number = it.number,
-                    bonusTotal = it.bonusTotal ?: 0,
-                    minusTotal = it.minusTotal ?: 0
-                )
-            }
     }
 
     private fun eqStudentRecentPointHistory(): BooleanExpression? {
diff --git a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/entity/StudentJpaEntity.kt b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/entity/StudentJpaEntity.kt
index ee19349d7..0ca70ab60 100644
--- a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/entity/StudentJpaEntity.kt
+++ b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/entity/StudentJpaEntity.kt
@@ -1,10 +1,5 @@
 package team.aliens.dms.persistence.student.entity
 
-import org.hibernate.annotations.Where
-import team.aliens.dms.domain.student.model.Sex
-import team.aliens.dms.persistence.BaseUUIDEntity
-import team.aliens.dms.persistence.room.entity.RoomJpaEntity
-import team.aliens.dms.persistence.user.entity.UserJpaEntity
 import java.time.LocalDateTime
 import java.util.UUID
 import javax.persistence.CascadeType
@@ -17,6 +12,13 @@ import javax.persistence.JoinColumn
 import javax.persistence.ManyToOne
 import javax.persistence.OneToOne
 import javax.persistence.Table
+import org.hibernate.annotations.Where
+import team.aliens.dms.common.annotation.EncryptType
+import team.aliens.dms.common.annotation.EncryptedColumn
+import team.aliens.dms.domain.student.model.Sex
+import team.aliens.dms.persistence.BaseUUIDEntity
+import team.aliens.dms.persistence.room.entity.RoomJpaEntity
+import team.aliens.dms.persistence.user.entity.UserJpaEntity
 
 @Entity
 @Table(name = "tbl_student")
@@ -45,7 +47,8 @@ class StudentJpaEntity(
     @Column(columnDefinition = "TINYINT UNSIGNED", nullable = false)
     val number: Int,
 
-    @Column(columnDefinition = "VARCHAR(10)", nullable = false)
+    @EncryptedColumn(type = EncryptType.SYMMETRIC)
+    @Column(columnDefinition = "TEXT", nullable = false)
     val name: String,
 
     @Column(columnDefinition = "VARCHAR(500)", nullable = false)
@@ -57,4 +60,5 @@ class StudentJpaEntity(
 
     @Column(columnDefinition = "DATETIME")
     val deletedAt: LocalDateTime?
+
 ) : BaseUUIDEntity(id)
diff --git a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/mapper/StudentMapper.kt b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/mapper/StudentMapper.kt
index b204206da..944eb6aae 100644
--- a/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/mapper/StudentMapper.kt
+++ b/dms-persistence/src/main/kotlin/team/aliens/dms/persistence/student/mapper/StudentMapper.kt
@@ -3,7 +3,7 @@ package team.aliens.dms.persistence.student.mapper
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Component
 import team.aliens.dms.domain.student.model.Student
-import team.aliens.dms.persistence.GenericMapper
+import team.aliens.dms.persistence.EncryptableGenericMapper
 import team.aliens.dms.persistence.room.repository.RoomJpaRepository
 import team.aliens.dms.persistence.student.entity.StudentJpaEntity
 import team.aliens.dms.persistence.user.repository.UserJpaRepository
@@ -12,7 +12,7 @@ import team.aliens.dms.persistence.user.repository.UserJpaRepository
 class StudentMapper(
     private val roomRepository: RoomJpaRepository,
     private val userRepository: UserJpaRepository
-) : GenericMapper<Student, StudentJpaEntity> {
+) : EncryptableGenericMapper<Student, StudentJpaEntity> {
 
     override fun toDomain(entity: StudentJpaEntity?): Student? {
         return entity?.let {
@@ -47,7 +47,7 @@ class StudentMapper(
             classRoom = domain.classRoom,
             number = domain.number,
             name = domain.name,
-            profileImageUrl = domain.profileImageUrl!!,
+            profileImageUrl = domain.profileImageUrl,
             sex = domain.sex,
             deletedAt = domain.deletedAt
         )