diff --git a/app/layout.tsx b/app/layout.tsx
index 3295be2..760172d 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -4,8 +4,7 @@ import "./globals.css";
 import { ThemeProvider } from "@/components/theme-provider";
 import { AppNavigation } from "@/components/navigation/app-navigation";
 import { Toaster } from "sonner";
-// TEMPORARY: AuthProvider disabled for private site access
-// import { AuthProvider } from "@/components/auth/auth-provider";
+import { AuthProvider } from "@/components/auth/auth-provider";
 
 const inter = Inter({ subsets: ["latin"] });
 
@@ -36,11 +35,12 @@ export default function RootLayout({
           enableSystem
           disableTransitionOnChange
         >
-          {/* TEMPORARY: AuthProvider removed - TODO: Re-enable when site has public access */}
-          <div className="min-h-screen bg-background">
-            <AppNavigation />
-            <main>{children}</main>
-          </div>
+          <AuthProvider>
+            <div className="min-h-screen bg-background">
+              <AppNavigation />
+              <main>{children}</main>
+            </div>
+          </AuthProvider>
           <Toaster position="top-right" richColors />
         </ThemeProvider>
       </body>
diff --git a/components/navigation/app-navigation.tsx b/components/navigation/app-navigation.tsx
index 0f35382..18bd85b 100644
--- a/components/navigation/app-navigation.tsx
+++ b/components/navigation/app-navigation.tsx
@@ -38,6 +38,7 @@ import {
 } from '@/components/ui/navigation-menu';
 import { Button } from '@/components/ui/button';
 import { ThemeToggle } from '@/components/theme-toggle';
+import { useSession } from '@/lib/auth-client';
 
 interface NavItem {
   title: string;
@@ -190,12 +191,23 @@ const navigationItems: NavItem[] = [
 
 export function AppNavigation() {
   const pathname = usePathname();
+  const { data: session } = useSession();
+  const userRole = (session?.user as any)?.role || 'user';
+  const isSuperAdmin = userRole === 'super-admin';
 
   const isActive = (href?: string) => {
     if (!href) return false;
     return pathname === href || pathname.startsWith(href + '/');
   };
 
+  // Hide Engagement and Admin from non-super-admins
+  const visibleItems = navigationItems.filter((item) => {
+    if (item.title === 'Engagement' || item.title === 'Admin') {
+      return isSuperAdmin;
+    }
+    return true;
+  });
+
   return (
     <header className="sticky top-0 z-50 w-full border-b bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60">
       <div className="container mx-auto px-6 flex h-16 items-center justify-between">
@@ -215,7 +227,7 @@ export function AppNavigation() {
         {/* Main Navigation — centered */}
         <NavigationMenu>
             <NavigationMenuList>
-              {navigationItems.map((item) => (
+              {visibleItems.map((item) => (
                 <NavigationMenuItem key={item.title}>
                   {item.children ? (
                     <>
diff --git a/middleware.ts b/middleware.ts
index 8c1faa6..f1678f5 100644
--- a/middleware.ts
+++ b/middleware.ts
@@ -9,6 +9,28 @@ const publicRoutes = [
   "/auth/2fa",
   "/auth/setup",
   "/api/auth",
+  // External service callbacks and webhooks
+  "/api/webhooks",
+  "/api/kiosk",
+  "/api/qbo/auth",
+  "/api/qbo/disconnect",
+  "/api/zabbix/webhook",
+  // Health and status checks
+  "/api/health",
+  "/api/integrations/status",
+  // Legal pages required by Intuit
+  "/legal",
+  // Sync endpoints called by scheduler
+  "/api/sync",
+  "/api/datto-rmm/sync",
+  "/api/itglue/sync",
+  "/api/veeam/sync",
+  "/api/sentinelone/sync",
+  "/api/engagement/sync",
+  "/api/zoom/sync",
+  "/api/qbo/sync",
+  "/api/reports/ticket-digest",
+  "/api/notifications/morning-summary/send",
 ];
 
 // Routes that require admin or super-admin role
@@ -17,44 +39,40 @@ const adminRoutes = ["/admin"];
 export async function middleware(request: NextRequest) {
   const { pathname } = request.nextUrl;
 
-  // TEMPORARY: Authentication bypassed for private site access
-  // TODO: Re-enable authentication when site has public access
-  return NextResponse.next();
-
   // Allow public routes
-  // if (publicRoutes.some((route) => pathname.startsWith(route))) {
-  //   return NextResponse.next();
-  // }
+  if (publicRoutes.some((route) => pathname.startsWith(route))) {
+    return NextResponse.next();
+  }
 
-  // // Allow static files and API routes (except admin API)
-  // if (
-  //   pathname.startsWith("/_next") ||
-  //   pathname.startsWith("/favicon") ||
-  //   pathname.includes(".")
-  // ) {
-  //   return NextResponse.next();
-  // }
+  // Allow static files
+  if (
+    pathname.startsWith("/_next") ||
+    pathname.startsWith("/favicon") ||
+    pathname.includes(".")
+  ) {
+    return NextResponse.next();
+  }
 
-  // // Check for session cookie
-  // const sessionCookie = getSessionCookie(request);
+  // Check for session cookie
+  const sessionCookie = getSessionCookie(request);
 
-  // if (!sessionCookie) {
-  //   // Redirect to sign-in if no session
-  //   const signInUrl = new URL("/auth/sign-in", request.url);
-  //   signInUrl.searchParams.set("callbackUrl", pathname);
-  //   return NextResponse.redirect(signInUrl);
-  // }
+  if (!sessionCookie) {
+    // Redirect to sign-in if no session
+    const signInUrl = new URL("/auth/sign-in", request.url);
+    signInUrl.searchParams.set("callbackUrl", pathname);
+    return NextResponse.redirect(signInUrl);
+  }
 
-  // // For admin routes, we need to verify the role
-  // // This is a basic check - the actual role verification happens in the API routes
-  // if (adminRoutes.some((route) => pathname.startsWith(route))) {
-  //   // The session cookie exists, but we can't decode it here without the secret
-  //   // Role-based access control is enforced at the API level
-  //   // This middleware just ensures there's a session
-  //   return NextResponse.next();
-  // }
+  // For admin routes, we need to verify the role
+  // This is a basic check - the actual role verification happens in the API routes
+  if (adminRoutes.some((route) => pathname.startsWith(route))) {
+    // The session cookie exists, but we can't decode it here without the secret
+    // Role-based access control is enforced at the API level
+    // This middleware just ensures there's a session
+    return NextResponse.next();
+  }
 
-  // return NextResponse.next();
+  return NextResponse.next();
 }
 
 export const config = {