diff --git a/src/main/kotlin/uoslife/servermeeting/admin/api/AdminApi.kt b/src/main/kotlin/uoslife/servermeeting/admin/api/AdminApi.kt
index 8f39eb13..8cb78a23 100644
--- a/src/main/kotlin/uoslife/servermeeting/admin/api/AdminApi.kt
+++ b/src/main/kotlin/uoslife/servermeeting/admin/api/AdminApi.kt
@@ -8,6 +8,7 @@ import io.swagger.v3.oas.annotations.responses.ApiResponse
 import io.swagger.v3.oas.annotations.responses.ApiResponses
 import io.swagger.v3.oas.annotations.security.SecurityRequirement
 import io.swagger.v3.oas.annotations.tags.Tag
+import jakarta.servlet.http.HttpServletRequest
 import jakarta.servlet.http.HttpServletResponse
 import org.springframework.http.HttpStatus
 import org.springframework.http.ResponseEntity
@@ -17,6 +18,7 @@ import uoslife.servermeeting.admin.dto.request.ResetEmailRequest
 import uoslife.servermeeting.admin.service.AdminService
 import uoslife.servermeeting.global.config.SwaggerConfig
 import uoslife.servermeeting.global.error.ErrorResponse
+import uoslife.servermeeting.global.util.RequestUtils
 import uoslife.servermeeting.payment.dto.response.PaymentResponseDto
 
 @RestController
@@ -50,7 +52,10 @@ import uoslife.servermeeting.payment.dto.response.PaymentResponseDto
                         )]
             )]
 )
-class AdminApi(private val adminService: AdminService) {
+class AdminApi(
+    private val adminService: AdminService,
+    private val requestUtils: RequestUtils,
+) {
     @Operation(summary = "이메일 발송 횟수 초기화", description = "특정 이메일의 일일 발송 횟수를 초기화합니다.")
     @ApiResponses(
         value =
@@ -63,8 +68,12 @@ class AdminApi(private val adminService: AdminService) {
             ]
     )
     @PostMapping("/verification/send-email/reset")
-    fun resetEmailSendCount(@RequestBody request: ResetEmailRequest): ResponseEntity<Unit> {
-        adminService.resetEmailSendCount(request.email)
+    fun resetEmailSendCount(
+        request: HttpServletRequest,
+        @RequestBody body: ResetEmailRequest
+    ): ResponseEntity<Unit> {
+        val requestInfo = requestUtils.toRequestInfoDto(request)
+        adminService.resetEmailSendCount(body.email, requestInfo)
         return ResponseEntity.status(HttpStatus.NO_CONTENT).build()
     }
 
@@ -95,10 +104,12 @@ class AdminApi(private val adminService: AdminService) {
     )
     @DeleteMapping("/user")
     fun deleteUser(
-        @RequestBody request: DeleteUserRequest,
+        @RequestBody body: DeleteUserRequest,
+        request: HttpServletRequest,
         response: HttpServletResponse
     ): ResponseEntity<Unit> {
-        adminService.deleteUserById(request.userId, response)
+        val requestInfo = requestUtils.toRequestInfoDto(request)
+        adminService.deleteUserById(body.userId, response, requestInfo)
         return ResponseEntity.status(HttpStatus.NO_CONTENT).build()
     }
 
@@ -144,7 +155,10 @@ class AdminApi(private val adminService: AdminService) {
             ]
     )
     @PostMapping("/refund/match")
-    fun refundPayment(): ResponseEntity<PaymentResponseDto.NotMatchedPaymentRefundResponse> {
-        return ResponseEntity.status(HttpStatus.OK).body(adminService.refundPayment())
+    fun refundPayment(
+        request: HttpServletRequest
+    ): ResponseEntity<PaymentResponseDto.NotMatchedPaymentRefundResponse> {
+        val requestInfo = requestUtils.toRequestInfoDto(request)
+        return ResponseEntity.status(HttpStatus.OK).body(adminService.refundPayment(requestInfo))
     }
 }
diff --git a/src/main/kotlin/uoslife/servermeeting/admin/service/AdminService.kt b/src/main/kotlin/uoslife/servermeeting/admin/service/AdminService.kt
index ea861edc..e87b208e 100644
--- a/src/main/kotlin/uoslife/servermeeting/admin/service/AdminService.kt
+++ b/src/main/kotlin/uoslife/servermeeting/admin/service/AdminService.kt
@@ -6,6 +6,7 @@ import org.slf4j.LoggerFactory
 import org.springframework.beans.factory.annotation.Qualifier
 import org.springframework.data.redis.core.RedisTemplate
 import org.springframework.stereotype.Service
+import uoslife.servermeeting.global.common.dto.RequestInfoDto
 import uoslife.servermeeting.payment.dto.response.PaymentResponseDto
 import uoslife.servermeeting.payment.service.PaymentService
 import uoslife.servermeeting.user.service.UserService
@@ -22,21 +23,26 @@ class AdminService(
         private val logger = LoggerFactory.getLogger(AdminService::class.java)
     }
 
-    fun resetEmailSendCount(email: String) {
+    fun resetEmailSendCount(email: String, requestInfo: RequestInfoDto) {
         val sendCountKey =
             VerificationUtils.generateRedisKey(VerificationConstants.SEND_COUNT_PREFIX, email, true)
 
         redisTemplate.opsForValue().set(sendCountKey, "0")
         redisTemplate.expire(sendCountKey, Duration.ofDays(1))
 
-        logger.info("[이메일 발송 횟수 초기화] email: $email")
+        logger.info("[ADMIN-이메일 발송 횟수 초기화] targetEmail: $email, $requestInfo")
     }
 
-    fun deleteUserById(userId: Long, response: HttpServletResponse) {
+    fun deleteUserById(userId: Long, response: HttpServletResponse, requestInfo: RequestInfoDto) {
         userService.deleteUserById(userId, response)
+        logger.info("[ADMIN-유저 삭제] targetUserId: $userId, $requestInfo")
     }
 
-    fun refundPayment(): PaymentResponseDto.NotMatchedPaymentRefundResponse {
-        return paymentService.refundPayment()
+    fun refundPayment(
+        requestInfo: RequestInfoDto
+    ): PaymentResponseDto.NotMatchedPaymentRefundResponse {
+        val result = paymentService.refundPayment()
+        logger.info("[ADMIN-매칭 실패 유저 환불] $requestInfo")
+        return result
     }
 }
diff --git a/src/main/kotlin/uoslife/servermeeting/global/auth/service/AuthService.kt b/src/main/kotlin/uoslife/servermeeting/global/auth/service/AuthService.kt
index 4620d719..b62ccdc8 100644
--- a/src/main/kotlin/uoslife/servermeeting/global/auth/service/AuthService.kt
+++ b/src/main/kotlin/uoslife/servermeeting/global/auth/service/AuthService.kt
@@ -12,11 +12,13 @@ import uoslife.servermeeting.global.auth.exception.*
 import uoslife.servermeeting.global.auth.security.JwtTokenProvider
 import uoslife.servermeeting.global.auth.security.SecurityConstants
 import uoslife.servermeeting.global.auth.util.CookieUtils
+import uoslife.servermeeting.global.util.RequestUtils
 
 @Service
 class AuthService(
     private val jwtTokenProvider: JwtTokenProvider,
     private val cookieUtils: CookieUtils,
+    private val requestUtils: RequestUtils,
     @Value("\${jwt.refresh.expiration}") private val refreshTokenExpiration: Long,
 ) {
     companion object {
@@ -43,15 +45,19 @@ class AuthService(
     }
 
     fun reissueTokens(request: HttpServletRequest, response: HttpServletResponse): JwtResponse {
+        val requestInfo = requestUtils.toRequestInfoDto(request)
         val refreshToken =
             cookieUtils.getRefreshTokenFromCookie(request)
-                ?: throw JwtRefreshTokenNotFoundException()
-
+                ?: run {
+                    logger.warn("[재발급 실패(토큰없음)] $requestInfo")
+                    throw JwtRefreshTokenNotFoundException()
+                }
         try {
             val userId = jwtTokenProvider.getUserIdFromRefreshToken(refreshToken)
 
             val storedToken = jwtTokenProvider.getStoredRefreshToken(userId)
             if (storedToken != refreshToken) {
+                logger.warn("[재발급 실패(재사용)] $requestInfo")
                 throw JwtRefreshTokenReusedException()
             }
 
@@ -61,26 +67,30 @@ class AuthService(
             jwtTokenProvider.saveRefreshToken(userId, newRefreshToken)
 
             cookieUtils.addRefreshTokenCookie(response, newRefreshToken, refreshTokenExpiration)
-            logger.info("[토큰 재발급 성공] USER ID: $userId")
+            logger.info("[재발급 성공] userId: $userId")
             return JwtResponse(newAccessToken)
         } catch (e: ExpiredJwtException) {
+            logger.warn("[재발급 실패(만료)] $requestInfo")
             throw JwtRefreshTokenExpiredException()
         } catch (e: JwtException) {
+            logger.warn("[재발급 실패(서명)] $requestInfo")
             throw JwtTokenInvalidSignatureException()
         }
     }
 
     fun logout(request: HttpServletRequest, response: HttpServletResponse) {
+        val requestInfo = requestUtils.toRequestInfoDto(request)
+
         val refreshToken = cookieUtils.getRefreshTokenFromCookie(request)
         if (refreshToken != null) {
             try {
                 val userId = jwtTokenProvider.getUserIdFromRefreshToken(refreshToken)
                 jwtTokenProvider.deleteRefreshToken(userId)
             } catch (e: JwtException) {
-                logger.warn("[로그아웃 요청] 유효하지 않은 리프레시 토큰으로 로그아웃 시도")
+                logger.warn("[로그아웃 요청] 유효하지 않은 리프레시 토큰 사용 $requestInfo")
             }
         } else {
-            logger.warn("[로그아웃 요청] 리프레시 토큰 없이 로그아웃 시도")
+            logger.warn("[로그아웃 요청] 리프레시 토큰 없음 $requestInfo")
         }
         cookieUtils.deleteRefreshTokenCookie(response)
     }
diff --git a/src/main/kotlin/uoslife/servermeeting/global/common/dto/RequestInfoDto.kt b/src/main/kotlin/uoslife/servermeeting/global/common/dto/RequestInfoDto.kt
new file mode 100644
index 00000000..682a72c1
--- /dev/null
+++ b/src/main/kotlin/uoslife/servermeeting/global/common/dto/RequestInfoDto.kt
@@ -0,0 +1,7 @@
+package uoslife.servermeeting.global.common.dto
+
+data class RequestInfoDto(val ip: String, val userAgent: String) {
+    override fun toString(): String {
+        return "ip: $ip, userAgent: $userAgent"
+    }
+}
diff --git a/src/main/kotlin/uoslife/servermeeting/global/util/RequestUtils.kt b/src/main/kotlin/uoslife/servermeeting/global/util/RequestUtils.kt
new file mode 100644
index 00000000..cd216366
--- /dev/null
+++ b/src/main/kotlin/uoslife/servermeeting/global/util/RequestUtils.kt
@@ -0,0 +1,30 @@
+package uoslife.servermeeting.global.util
+
+import jakarta.servlet.http.HttpServletRequest
+import org.springframework.stereotype.Component
+import uoslife.servermeeting.global.common.dto.RequestInfoDto
+
+@Component
+class RequestUtils {
+    companion object {
+        private const val X_FORWARDED_FOR = "X-Forwarded-For"
+        private const val PROXY_CLIENT_IP = "Proxy-Client-IP"
+        private const val WL_PROXY_CLIENT_IP = "WL-Proxy-Client-IP"
+    }
+
+    fun toRequestInfoDto(request: HttpServletRequest) =
+        RequestInfoDto(ip = getClientIp(request), userAgent = getUserAgent(request))
+
+    fun getClientIp(request: HttpServletRequest): String =
+        when {
+            request.getHeader(X_FORWARDED_FOR) != null ->
+                request.getHeader(X_FORWARDED_FOR).split(",")[0]
+            request.getHeader(PROXY_CLIENT_IP) != null -> request.getHeader(PROXY_CLIENT_IP)
+            request.getHeader(WL_PROXY_CLIENT_IP) != null -> request.getHeader(WL_PROXY_CLIENT_IP)
+            else -> request.remoteAddr
+        }
+
+    fun getUserAgent(request: HttpServletRequest): String {
+        return request.getHeader("User-Agent") ?: "Unknown"
+    }
+}
diff --git a/src/main/kotlin/uoslife/servermeeting/user/service/UserService.kt b/src/main/kotlin/uoslife/servermeeting/user/service/UserService.kt
index f470c7af..8e702a8d 100644
--- a/src/main/kotlin/uoslife/servermeeting/user/service/UserService.kt
+++ b/src/main/kotlin/uoslife/servermeeting/user/service/UserService.kt
@@ -120,7 +120,7 @@ class UserService(
 
         deleteRefreshInfo(user, response)
         userRepository.delete(user)
-        logger.info("[유저 삭제 완료] User Email : $deletedEmail")
+        logger.info("[유저 삭제] email: $deletedEmail")
     }
 
     private fun deleteRefreshInfo(user: User, response: HttpServletResponse) {
diff --git a/src/main/kotlin/uoslife/servermeeting/verification/api/VerificationApi.kt b/src/main/kotlin/uoslife/servermeeting/verification/api/VerificationApi.kt
index 0586fe09..45cb9e15 100644
--- a/src/main/kotlin/uoslife/servermeeting/verification/api/VerificationApi.kt
+++ b/src/main/kotlin/uoslife/servermeeting/verification/api/VerificationApi.kt
@@ -7,6 +7,7 @@ import io.swagger.v3.oas.annotations.media.Schema
 import io.swagger.v3.oas.annotations.responses.ApiResponse
 import io.swagger.v3.oas.annotations.responses.ApiResponses
 import io.swagger.v3.oas.annotations.tags.Tag
+import jakarta.servlet.http.HttpServletRequest
 import jakarta.servlet.http.HttpServletResponse
 import jakarta.validation.Valid
 import org.springframework.http.ResponseEntity
@@ -14,6 +15,7 @@ import org.springframework.web.bind.annotation.*
 import uoslife.servermeeting.global.auth.dto.response.JwtResponse
 import uoslife.servermeeting.global.auth.service.AuthService
 import uoslife.servermeeting.global.error.ErrorResponse
+import uoslife.servermeeting.global.util.RequestUtils
 import uoslife.servermeeting.user.service.UserService
 import uoslife.servermeeting.verification.dto.request.VerifyEmailRequest
 import uoslife.servermeeting.verification.dto.response.SendVerificationEmailResponse
@@ -26,6 +28,7 @@ class VerificationApi(
     private val emailVerificationService: EmailVerificationService,
     private val userService: UserService,
     private val authService: AuthService,
+    private val requestUtils: RequestUtils,
 ) {
     @Operation(summary = "인증메일 전송", description = "이메일로 인증코드를 전송합니다.")
     @ApiResponses(
@@ -80,9 +83,11 @@ class VerificationApi(
     )
     @PostMapping("/send-email")
     fun sendVerificationEmail(
-        @RequestParam email: String
+        @RequestParam email: String,
+        request: HttpServletRequest
     ): ResponseEntity<SendVerificationEmailResponse> {
-        val response = emailVerificationService.sendVerificationEmail(email)
+        val requestInfo = requestUtils.toRequestInfoDto(request)
+        val response = emailVerificationService.sendVerificationEmail(email, requestInfo)
         return ResponseEntity.ok(response)
     }
 
@@ -180,16 +185,19 @@ class VerificationApi(
     // TODO: Service layer로 이동해야함
     @PostMapping("/verify-email")
     fun verifyEmail(
-        @Valid @RequestBody request: VerifyEmailRequest,
+        @Valid @RequestBody body: VerifyEmailRequest,
+        @PathVariable userId: Long,
+        request: HttpServletRequest,
         response: HttpServletResponse
     ): ResponseEntity<JwtResponse> {
-        emailVerificationService.verifyEmail(request.email, request.code)
+        val requestInfo = requestUtils.toRequestInfoDto(request)
+        emailVerificationService.verifyEmail(body.email, body.code, requestInfo)
 
         val user =
             try {
-                userService.getUserByEmail(request.email)
+                userService.getUserByEmail(body.email)
             } catch (e: Exception) {
-                userService.createUserByEmail(request.email)
+                userService.createUserByEmail(body.email)
             }
 
         val accessToken = authService.issueTokens(user.id!!, response)
diff --git a/src/main/kotlin/uoslife/servermeeting/verification/service/EmailVerificationService.kt b/src/main/kotlin/uoslife/servermeeting/verification/service/EmailVerificationService.kt
index ec5a93a4..844ff2df 100644
--- a/src/main/kotlin/uoslife/servermeeting/verification/service/EmailVerificationService.kt
+++ b/src/main/kotlin/uoslife/servermeeting/verification/service/EmailVerificationService.kt
@@ -7,6 +7,7 @@ import org.slf4j.LoggerFactory
 import org.springframework.beans.factory.annotation.Value
 import org.springframework.data.redis.core.RedisTemplate
 import org.springframework.stereotype.Service
+import uoslife.servermeeting.global.common.dto.RequestInfoDto
 import uoslife.servermeeting.verification.dto.response.SendVerificationEmailResponse
 import uoslife.servermeeting.verification.exception.*
 import uoslife.servermeeting.verification.util.VerificationConstants
@@ -24,7 +25,10 @@ class EmailVerificationService(
         private val logger = LoggerFactory.getLogger(EmailVerificationService::class.java)
     }
 
-    fun sendVerificationEmail(email: String): SendVerificationEmailResponse {
+    fun sendVerificationEmail(
+        email: String,
+        requestInfo: RequestInfoDto
+    ): SendVerificationEmailResponse {
         // 이메일 형식 검증
         validateEmail(email)
         // 발송 제한 확인
@@ -33,9 +37,9 @@ class EmailVerificationService(
         val asyncResult = asyncEmailService.sendEmailAsync(email)
         asyncResult.whenComplete { _, exception ->
             if (exception != null) {
-                logger.warn("[이메일 전송 실패] EMAIL : $email")
+                logger.warn("[이메일 전송 실패] email: $email, $requestInfo")
             } else {
-                logger.info("[이메일 전송 성공] EMAIL : $email")
+                logger.info("[이메일 전송 성공] email: $email, $requestInfo")
             }
         }
         // 코드 만료 시각 계산
@@ -47,13 +51,13 @@ class EmailVerificationService(
         )
     }
 
-    fun verifyEmail(email: String, code: String) {
+    fun verifyEmail(email: String, code: String, requestInfo: RequestInfoDto) {
         validateVerificationAttempts(email)
         incrementVerificationAttempts(email)
         // Redis에서 인증 코드 조회
         val redisCode = getVerificationCode(email)
         // 인증 코드 검증
-        validateVerificationCode(redisCode, code)
+        validateVerificationCode(redisCode, code, email, requestInfo)
         // 검증 성공한 코드 삭제
         clearVerificationData(email)
     }
@@ -64,10 +68,17 @@ class EmailVerificationService(
         return redisTemplate.opsForValue().get(verificationCodeKey).toString()
     }
 
-    private fun validateVerificationCode(redisCode: String, code: String) {
+    private fun validateVerificationCode(
+        redisCode: String,
+        code: String,
+        email: String,
+        requestInfo: RequestInfoDto
+    ) {
         if (redisCode != code) {
+            logger.warn("[이메일 인증 실패] email: $email, $requestInfo")
             throw EmailVerificationCodeMismatchException()
         }
+        logger.info("[이메일 인증 성공] email: $email")
     }
 
     private fun validateSendCount(email: String) {