diff --git a/src/main/java/com/eactive/ext/kjb/common/KjbProperty.java b/src/main/java/com/eactive/ext/kjb/common/KjbProperty.java
index 5255dd4..d469e85 100644
--- a/src/main/java/com/eactive/ext/kjb/common/KjbProperty.java
+++ b/src/main/java/com/eactive/ext/kjb/common/KjbProperty.java
@@ -158,7 +158,7 @@ public class KjbProperty {
             key = "kjb.sms_auth.enabled",
             defaultValue = "true",
             description = "SMS 2차 인증 사용 여부. true 시 휴대폰번호 없는 사용자는 ID/PW 로그인 불가")
-    private boolean smsAuthEnabled = true;
+    private boolean smsAuthEnabled = false;
 
     @KjbPropertyValue(
             key = "kjb.sms_auth.mode",