diff --git a/devfront/src/features/clients/ClientGeneralPage.tsx b/devfront/src/features/clients/ClientGeneralPage.tsx
index bd0b000c..9e50b2c8 100644
--- a/devfront/src/features/clients/ClientGeneralPage.tsx
+++ b/devfront/src/features/clients/ClientGeneralPage.tsx
@@ -47,7 +47,7 @@ function ClientGeneralPage() {
   const [name, setName] = useState("");
   const [description, setDescription] = useState("");
   const [logoUrl, setLogoUrl] = useState("");
-  const [clientType, setClientType] = useState<ClientType>("confidential");
+  const [clientType, setClientType] = useState<ClientType>("private");
   const [status, setStatus] = useState<ClientStatus>("active");
   const [redirectUris, setRedirectUris] = useState("");
   const [scopes, setScopes] = useState<ScopeItem[]>(() => [
@@ -490,7 +490,7 @@ function ClientGeneralPage() {
             <label
               className={cn(
                 "relative flex cursor-pointer flex-col gap-1 rounded-xl border-2 p-4 transition",
-                clientType === "confidential"
+                clientType === "private"
                   ? "border-primary bg-primary/5"
                   : "border-border bg-card hover:border-muted-foreground/40",
               )}
@@ -499,31 +499,31 @@ function ClientGeneralPage() {
                 className="sr-only"
                 type="radio"
                 name="client-type"
-                checked={clientType === "confidential"}
-                onChange={() => setClientType("confidential")}
+                checked={clientType === "private"}
+                onChange={() => setClientType("private")}
               />
               <span className="flex items-center gap-2 text-sm font-bold uppercase text-foreground">
                 <Shield className="h-4 w-4 text-primary" />
                 {t(
-                  "ui.dev.clients.general.security.confidential",
-                  "Confidential",
+                  "ui.dev.clients.general.security.private",
+                  "Private",
                 )}
               </span>
               <span className="text-xs text-muted-foreground">
                 {t(
-                  "msg.dev.clients.general.security.confidential_help",
+                  "msg.dev.clients.general.security.private_help",
                   "서버 사이드 앱(예: Node.js, Java)처럼 비밀키를 안전하게 보관 가능한 경우.",
                 )}
               </span>
               <span className="absolute right-4 top-4 text-primary">
-                {clientType === "confidential" ? "✓" : ""}
+                {clientType === "private" ? "✓" : ""}
               </span>
             </label>
 
             <label
               className={cn(
                 "relative flex cursor-pointer flex-col gap-1 rounded-xl border-2 p-4 transition",
-                clientType === "public"
+                clientType === "pkce"
                   ? "border-primary bg-primary/5"
                   : "border-border bg-card hover:border-muted-foreground/40",
               )}
@@ -532,21 +532,21 @@ function ClientGeneralPage() {
                 className="sr-only"
                 type="radio"
                 name="client-type"
-                checked={clientType === "public"}
-                onChange={() => setClientType("public")}
+                checked={clientType === "pkce"}
+                onChange={() => setClientType("pkce")}
               />
               <span className="flex items-center gap-2 text-sm font-bold uppercase text-foreground">
                 <Sparkles className="h-4 w-4" />
-                {t("ui.dev.clients.general.security.public", "Public")}
+                {t("ui.dev.clients.general.security.pkce", "PKCE")}
               </span>
               <span className="text-xs text-muted-foreground">
                 {t(
-                  "msg.dev.clients.general.security.public_help",
+                  "msg.dev.clients.general.security.pkce_help",
                   "SPA/모바일 앱처럼 비밀키 보관이 어려운 경우. PKCE를 기본 사용합니다.",
                 )}
               </span>
               <span className="absolute right-4 top-4 text-primary">
-                {clientType === "public" ? "✓" : ""}
+                {clientType === "pkce" ? "✓" : ""}
               </span>
             </label>
           </div>
diff --git a/devfront/src/features/clients/ClientsPage.tsx b/devfront/src/features/clients/ClientsPage.tsx
index c551eb16..2672c268 100644
--- a/devfront/src/features/clients/ClientsPage.tsx
+++ b/devfront/src/features/clients/ClientsPage.tsx
@@ -266,7 +266,7 @@ function ClientsPage() {
                   <TableCell>
                     <div className="flex items-center gap-3">
                       <div className="flex h-9 w-9 items-center justify-center rounded-lg bg-primary/10 text-primary">
-                        {client.type === "confidential" ? (
+                        {client.type === "private" ? (
                           <ServerCog className="h-4 w-4" />
                         ) : (
                           <ShieldHalf className="h-4 w-4" />
@@ -310,15 +310,15 @@ function ClientsPage() {
                   <TableCell>
                     <Badge
                       variant={
-                        client.type === "confidential" ? "success" : "muted"
+                        client.type === "private" ? "success" : "muted"
                       }
                     >
-                      {client.type === "confidential"
+                      {client.type === "private"
                         ? t(
-                            "ui.dev.clients.type.confidential",
-                            "기밀(Confidential)",
+                            "ui.dev.clients.type.private",
+                            "Private",
                           )
-                        : t("ui.dev.clients.type.public", "Public")}
+                        : t("ui.dev.clients.type.pkce", "PKCE")}
                     </Badge>
                   </TableCell>
                   <TableCell>
diff --git a/devfront/src/lib/devApi.ts b/devfront/src/lib/devApi.ts
index 0aa35ff0..5aa29992 100644
--- a/devfront/src/lib/devApi.ts
+++ b/devfront/src/lib/devApi.ts
@@ -1,7 +1,7 @@
 import apiClient from "./apiClient";
 
 export type ClientStatus = "active" | "inactive";
-export type ClientType = "confidential" | "public";
+export type ClientType = "private" | "pkce";
 
 export type ClientSummary = {
   id: string;