diff --git a/backend/src/graphql/resolvers/KlicktippResolver.ts b/backend/src/graphql/resolvers/KlicktippResolver.ts
index 5f7e718c3..ba6bd5fcb 100644
--- a/backend/src/graphql/resolvers/KlicktippResolver.ts
+++ b/backend/src/graphql/resolvers/KlicktippResolver.ts
@@ -13,21 +13,25 @@ import { SubscribeNewsletterArguments } from '../inputs/KlickTippInputs'
 @Resolver()
 export class KlicktippResolver {
   @Query(() => String)
+  @Authorized()
   async getKlicktippUser(@Arg('email') email: string): Promise<string> {
     return await getKlickTippUser(email)
   }
 
   @Query(() => String)
+  @Authorized()
   async getKlicktippTagMap(): Promise<string> {
     return await getKlicktippTagMap()
   }
 
   @Mutation(() => Boolean)
+  @Authorized()
   async unsubscribeNewsletter(@Arg('email') email: string): Promise<boolean> {
     return await unsubscribe(email)
   }
 
   @Mutation(() => Boolean)
+  @Authorized()
   async subscribeNewsletter(
     @Args() { email, language }: SubscribeNewsletterArguments,
   ): Promise<boolean> {