diff --git a/build.gradle.kts b/build.gradle.kts
index 99e54fd..57955aa 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -9,6 +9,8 @@ plugins {
 
 java.sourceCompatibility = JavaVersion.VERSION_21
 
+val jasyptVersion: String by project.extra
+
 allprojects {
     group = "com.mashup.ppangzip"
     version = "0.0.1-SNAPSHOT"
@@ -27,7 +29,9 @@ subprojects {
     dependencies {
         implementation("org.springframework.boot:spring-boot-starter")
         implementation("org.jetbrains.kotlin:kotlin-reflect")
+        implementation("com.github.ulisesbocchio:jasypt-spring-boot-starter:${jasyptVersion}")
 
+        testImplementation("org.springframework.boot:spring-boot-starter-test")
         testRuntimeOnly("org.junit.platform:junit-platform-launcher")
     }
 
diff --git a/gradle.properties b/gradle.properties
index 8c0a155..7c18b1f 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,4 @@
 jjwtVersion=0.11.5
 mysqlConnectorVersion=8.0.33
 springDocOpenApiVersion=2.0.2
+jasyptVersion=3.0.5
diff --git a/pic-api/src/main/resources/application-domain.yaml b/pic-api/src/main/resources/application-domain.yaml
index d584c93..5ca6fe3 100644
--- a/pic-api/src/main/resources/application-domain.yaml
+++ b/pic-api/src/main/resources/application-domain.yaml
@@ -1,8 +1,8 @@
 spring:
   datasource:
-    url: ${MYSQL_URL}
-    username: ${MYSQL_USERNAME}
-    password: ${MYSQL_PASSWORD}
+    url: ENC(Ay1RamiVb1M/bs+asVmYBsfpJKWCV/GlfYiAJTiO5nW7l9HAeGWVDneMntFvqS+myIfeypom11iMvX0KAXkBKnRd408MJWVuepy8uMU6tR+NqmwTJBOdSd9flGdOvSlnyG7l/YqwK46KtSC513pNwsV8UlIypgEDVn+Of3q/N2biF/oUXcJRsmGxn5XzY7v8InR+CBoakJJmCzHaaYPxMRQFEd/l3a9bsTfyNSUcbYg=)
+    username: ENC(MeGy+GMnB7qvepqgo1UWRTBadVuqO/NYMlQmif0WItNsbzShuX2U5Dl4iVKrznuz)
+    password: ENC(9hUR9OvMkz9IEOgjKsf7uXbUaLUaT1RXGR9AjOU2vDYEhVuTwFtu+vyU9IPv6HzHfmK16liLpmKXdBsf2OkZyg==)
     driver-class-name: com.mysql.cj.jdbc.Driver
   jpa:
     hibernate:
diff --git a/pic-api/src/main/resources/application.yaml b/pic-api/src/main/resources/application.yaml
index 9371446..0cc0d01 100644
--- a/pic-api/src/main/resources/application.yaml
+++ b/pic-api/src/main/resources/application.yaml
@@ -5,10 +5,10 @@ spring:
     import:
       - classpath:/application-domain.yaml
 jwt:
-  secret-key: ${SECRET_KEY}
+  secret-key: ENC(NtDCxHj5jr9w2VZJ8ePLbjYrgB5mcL68ysQhvGgnj53mqiHnML6eWOi3X0sL4CRUnvqZMEKx9af16oM02kKDj91w76d72ljnLVhT49M1lhc=)
 kakao:
   issuer: https://kauth.kakao.com
   audience:
-    rest: ${KAKAO_REST_KEY}
-    native: ${KAKAO_NATIVE_KEY}
+    rest: ENC(fEnBOJApIyZToWk4lc77g7xYnG20FhdIFwAJkolwbrEWZ5S+Gm/gJWUbMFciWL99oSEVLhTJxUOzxZWjr4Z+8A==)
+    native: ENC(/vP+mCyAS0JwUoWO207Sp4OwXLiiYdF//59zusyXxoEB8MJg0q8AYVEzubY5EGdhM/rioCqlhAQyqDgZuwxws2pwdONcc1qG7SDksRymywQ=)
   jwk-uri: https://kauth.kakao.com/.well-known/jwks.json
diff --git a/pic-common/src/main/kotlin/com/mashup/pic/config/JasyptConfig.kt b/pic-common/src/main/kotlin/com/mashup/pic/config/JasyptConfig.kt
new file mode 100644
index 0000000..8b2fe1d
--- /dev/null
+++ b/pic-common/src/main/kotlin/com/mashup/pic/config/JasyptConfig.kt
@@ -0,0 +1,8 @@
+package com.mashup.pic.config
+
+import com.ulisesbocchio.jasyptspringboot.annotation.EnableEncryptableProperties
+import org.springframework.context.annotation.Configuration
+
+@Configuration
+@EnableEncryptableProperties
+class JasyptConfig
diff --git a/pic-common/src/test/kotlin/com/mashup/pic/SharedContext.kt b/pic-common/src/test/kotlin/com/mashup/pic/SharedContext.kt
new file mode 100644
index 0000000..c4a7649
--- /dev/null
+++ b/pic-common/src/test/kotlin/com/mashup/pic/SharedContext.kt
@@ -0,0 +1,8 @@
+package com.mashup.pic
+
+import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.test.context.TestConstructor
+
+@TestConstructor(autowireMode = TestConstructor.AutowireMode.ALL)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+abstract class SharedContext
diff --git a/pic-common/src/test/kotlin/com/mashup/pic/config/JasyptConfigTest.kt b/pic-common/src/test/kotlin/com/mashup/pic/config/JasyptConfigTest.kt
new file mode 100644
index 0000000..634507c
--- /dev/null
+++ b/pic-common/src/test/kotlin/com/mashup/pic/config/JasyptConfigTest.kt
@@ -0,0 +1,29 @@
+package com.mashup.pic.config
+
+import com.mashup.pic.SharedContext
+import org.hamcrest.Matchers.`is`
+import org.hamcrest.MatcherAssert.assertThat
+import org.jasypt.encryption.StringEncryptor
+import org.junit.jupiter.api.Disabled
+import org.junit.jupiter.api.Test
+import org.springframework.boot.test.context.SpringBootTest
+
+/**
+ * Run > Edit Configurations > Configuration > Environment variables > 'JASYPT_ENCRYPTOR_PASSWORD={암호화키}' 입력
+ */
+@Disabled("암호화, 복호화 결과 확인을 위한 테스트이므로 비활성화")
+@SpringBootTest(classes = [JasyptConfig::class])
+class JasyptConfigTest(
+    private val stringEncryptor: StringEncryptor
+) : SharedContext() {
+
+    private val plainText: String = "test"
+
+    @Test
+    fun execute() {
+        stringEncryptor.encrypt(plainText).let { encrypted ->
+            println(encrypted)
+            assertThat(stringEncryptor.decrypt(encrypted), `is`(plainText))
+        }
+    }
+}