diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/global/config/GlobalHeaderOperationCustomizer.java b/backend/core/src/main/java/site/timecapsulearchive/core/global/config/GlobalHeaderOperationCustomizer.java
new file mode 100644
index 00000000..8b82788f
--- /dev/null
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/global/config/GlobalHeaderOperationCustomizer.java
@@ -0,0 +1,24 @@
+package site.timecapsulearchive.core.global.config;
+
+import io.swagger.v3.oas.annotations.enums.ParameterIn;
+import io.swagger.v3.oas.models.Operation;
+import io.swagger.v3.oas.models.media.StringSchema;
+import io.swagger.v3.oas.models.parameters.Parameter;
+import org.springdoc.core.customizers.GlobalOperationCustomizer;
+import org.springframework.stereotype.Component;
+import org.springframework.web.method.HandlerMethod;
+
+@Component
+public class GlobalHeaderOperationCustomizer implements GlobalOperationCustomizer {
+
+    @Override
+    public Operation customize(Operation operation, HandlerMethod handlerMethod) {
+        Parameter customHeaderVersion = new Parameter().in(ParameterIn.HEADER.toString())
+            .name("Default-Key")
+            .description("api key").schema(new StringSchema())
+            .required(false);
+
+        operation.addParametersItem(customHeaderVersion);
+        return operation;
+    }
+}
\ No newline at end of file
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/global/config/security/SecurityConfig.java b/backend/core/src/main/java/site/timecapsulearchive/core/global/config/security/SecurityConfig.java
index f71652fc..470c084a 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/global/config/security/SecurityConfig.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/global/config/security/SecurityConfig.java
@@ -20,6 +20,7 @@
 import org.springframework.security.web.util.matcher.RequestMatchers;
 import site.timecapsulearchive.core.domain.member.entity.Role;
 import site.timecapsulearchive.core.global.security.filter.DefaultAuthenticationFilter;
+import site.timecapsulearchive.core.global.security.property.DefaultKeyProperties;
 
 @EnableWebSecurity
 @Configuration
@@ -28,8 +29,8 @@ public class SecurityConfig {
 
     private final AuthenticationProvider jwtAuthenticationProvider;
     private final ObjectMapper objectMapper;
+    private final DefaultKeyProperties defaultKeyProperties;
     private final AccessDeniedHandler accessDeniedHandler;
-    private final DefaultAuthenticationFilter defaultAuthenticationFilter;
 
     @Bean
     public PasswordEncoder getPasswordEncoder() {
@@ -57,7 +58,8 @@ public SecurityFilterChain filterChainWithJwt(final HttpSecurity http) throws Ex
             .exceptionHandling(error -> error.accessDeniedHandler(accessDeniedHandler));
 
         http.addFilterBefore(
-            defaultAuthenticationFilter,
+            new DefaultAuthenticationFilter(defaultKeyProperties,
+                notRequireDefaultAuthenticationMatcher()),
             UsernamePasswordAuthenticationFilter.class
         );
 
@@ -89,6 +91,15 @@ private RequestMatcher notRequireAuthenticationMatcher() {
             antMatcher(HttpMethod.GET, "/actuator/**")
         );
     }
+
+    private RequestMatcher notRequireDefaultAuthenticationMatcher() {
+        return RequestMatchers.anyOf(
+            antMatcher("/v3/api-docs/**"),
+            antMatcher("/swagger-ui/**"),
+            antMatcher(HttpMethod.GET, "/health"),
+            antMatcher(HttpMethod.GET, "/actuator/**")
+        );
+    }
 }
 
 
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/global/log/LoggingComponent.java b/backend/core/src/main/java/site/timecapsulearchive/core/global/log/LoggingComponent.java
index b9674451..7e2d86bc 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/global/log/LoggingComponent.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/global/log/LoggingComponent.java
@@ -28,7 +28,10 @@ public Object logRepositoryLayer(ProceedingJoinPoint joinPoint) throws Throwable
         return logMethod(joinPoint, "Repository");
     }
 
-    @Around("execution(public * site.timecapsulearchive.core.infra.*.manager.*.*(..))")
+    @Around("""
+        execution(public * site.timecapsulearchive.core.infra.*.manager.*.*(..))
+        && !execution(public * site.timecapsulearchive.core.infra.s3.manager.*.*(..))
+        """)
     public Object logExternalApi(ProceedingJoinPoint joinPoint) throws Throwable {
         return logMethod(joinPoint, "External API");
     }
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/global/security/filter/DefaultAuthenticationFilter.java b/backend/core/src/main/java/site/timecapsulearchive/core/global/security/filter/DefaultAuthenticationFilter.java
index 8db5276f..a313b105 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/global/security/filter/DefaultAuthenticationFilter.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/global/security/filter/DefaultAuthenticationFilter.java
@@ -8,28 +8,31 @@
 import java.io.IOException;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.core.annotation.Order;
 import org.springframework.http.MediaType;
-import org.springframework.stereotype.Component;
+import org.springframework.security.web.util.matcher.RequestMatcher;
 import org.springframework.web.filter.OncePerRequestFilter;
 import site.timecapsulearchive.core.global.error.ErrorCode;
 import site.timecapsulearchive.core.global.error.ErrorResponse;
 import site.timecapsulearchive.core.global.security.property.DefaultKeyProperties;
 
 @Slf4j
-@Component
 @RequiredArgsConstructor
 public class DefaultAuthenticationFilter extends OncePerRequestFilter {
 
     private final DefaultKeyProperties defaultKeyProperties;
+    private final RequestMatcher notRequireDefaultAuthenticationMatcher;
 
     @Override
-    @Order(1)
     protected void doFilterInternal(
         HttpServletRequest request,
         HttpServletResponse response,
         FilterChain filterChain
     ) throws ServletException, IOException {
+        if (notRequiresAuthentication(request)) {
+            filterChain.doFilter(request, response);
+            return;
+        }
+
         String requestKey = request.getHeader("Default-Key");
 
         if (requestKey == null || !requestKey.equals(defaultKeyProperties.defaultKey())) {
@@ -53,4 +56,8 @@ protected void doFilterInternal(
 
         filterChain.doFilter(request, response);
     }
+
+    private boolean notRequiresAuthentication(final HttpServletRequest request) {
+        return notRequireDefaultAuthenticationMatcher.matches(request);
+    }
 }
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/global/security/jwt/JwtAuthenticationFilter.java b/backend/core/src/main/java/site/timecapsulearchive/core/global/security/jwt/JwtAuthenticationFilter.java
index f5410ab6..c82c3d70 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/global/security/jwt/JwtAuthenticationFilter.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/global/security/jwt/JwtAuthenticationFilter.java
@@ -33,7 +33,6 @@ public class JwtAuthenticationFilter extends OncePerRequestFilter {
     private final RequestMatcher notRequireAuthenticationMatcher;
 
     @Override
-    @Order(2)
     protected void doFilterInternal(
         final HttpServletRequest request,
         final HttpServletResponse response,
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/common/config/TestMockMvcSecurityConfig.java b/backend/core/src/test/java/site/timecapsulearchive/core/common/config/TestMockMvcSecurityConfig.java
index b74fa25b..f4375b2d 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/common/config/TestMockMvcSecurityConfig.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/common/config/TestMockMvcSecurityConfig.java
@@ -90,7 +90,7 @@ public DefaultKeyProperties testDefaultKeyProperties() {
     @Order(1)
     public DefaultAuthenticationFilter testDefaultAuthenticationFilter(
     ) {
-        return new DefaultAuthenticationFilter(testDefaultKeyProperties());
+        return new DefaultAuthenticationFilter(testDefaultKeyProperties(), notRequireAuthenticationMatcher());
     }
 
     @Bean