diff --git a/backend/pom.xml b/backend/pom.xml
index 600daa3..69d8c28 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -21,6 +21,7 @@
         <protobuf-java.version>3.21.2</protobuf-java.version>
         <gameyfin-frontend.version>0.0.1-SNAPSHOT</gameyfin-frontend.version>
         <commons-compress.version>1.21</commons-compress.version>
+        <java-jwt.version>4.0.0</java-jwt.version>
     </properties>
 
     <dependencies>
@@ -62,6 +63,11 @@
             <version>${resilience4j-reactor.version}</version>
         </dependency>
 
+        <!-- Security -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-security</artifactId>
+        </dependency>
 
         <!-- Persistence -->
         <dependency>
diff --git a/backend/src/main/java/de/grimsi/gameyfin/config/SecureProperties.java b/backend/src/main/java/de/grimsi/gameyfin/config/SecureProperties.java
new file mode 100644
index 0000000..3140b37
--- /dev/null
+++ b/backend/src/main/java/de/grimsi/gameyfin/config/SecureProperties.java
@@ -0,0 +1,25 @@
+package de.grimsi.gameyfin.config;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.env.ConfigurableEnvironment;
+import org.springframework.core.env.PropertiesPropertySource;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.support.PropertiesLoaderUtils;
+
+import java.util.Objects;
+
+@Configuration
+public class SecureProperties {
+
+    @Autowired
+    public void setConfigurableEnvironment(ConfigurableEnvironment env) {
+        try {
+            Resource resource = new ClassPathResource("/config/secure.yml");
+            env.getPropertySources().addFirst(new PropertiesPropertySource(Objects.requireNonNull(resource.getFilename()), PropertiesLoaderUtils.loadProperties(resource)));
+        } catch (Exception ex) {
+            throw new RuntimeException(ex.getMessage(), ex);
+        }
+    }
+}
diff --git a/backend/src/main/java/de/grimsi/gameyfin/config/SecurityConfiguration.java b/backend/src/main/java/de/grimsi/gameyfin/config/SecurityConfiguration.java
new file mode 100644
index 0000000..69a99b5
--- /dev/null
+++ b/backend/src/main/java/de/grimsi/gameyfin/config/SecurityConfiguration.java
@@ -0,0 +1,72 @@
+package de.grimsi.gameyfin.config;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.http.HttpStatus;
+import org.springframework.security.config.Customizer;
+import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+import org.springframework.security.web.SecurityFilterChain;
+import org.springframework.security.web.authentication.HttpStatusEntryPoint;
+import org.springframework.security.web.firewall.HttpFirewall;
+import org.springframework.security.web.firewall.StrictHttpFirewall;
+import org.springframework.web.cors.CorsConfiguration;
+import org.springframework.web.cors.CorsConfigurationSource;
+import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
+
+@EnableWebSecurity
+@EnableGlobalMethodSecurity(prePostEnabled = true)
+@RequiredArgsConstructor
+public class SecurityConfiguration {
+
+    @Value("${gameyfin.user}")
+    private String username;
+
+    @Value("${gameyfin.password}")
+    private String password;
+
+    @Bean
+    protected SecurityFilterChain httpSecurity(HttpSecurity http) throws Exception {
+
+        // TODO: Try to enable CSRF
+        http.csrf().disable();
+
+        // Allow GET-Requests on *all* URLs (Frontend will handle 404 and permission)
+        // except paths under "/v1/library-management"
+        http.authorizeRequests()
+                .antMatchers("**").permitAll()
+                .antMatchers("/v1/library-management").authenticated()
+                .anyRequest().denyAll();
+
+        http.httpBasic(Customizer.withDefaults());
+
+        http.exceptionHandling()
+                .authenticationEntryPoint(new HttpStatusEntryPoint(HttpStatus.UNAUTHORIZED));
+
+        return http.build();
+    }
+
+    @Bean
+    public InMemoryUserDetailsManager userDetailsService() {
+        UserDetails user = User
+                .withDefaultPasswordEncoder()
+                .username(username)
+                .password(password)
+                .authorities("ADMIN_API_ACCESS")
+                .build();
+        return new InMemoryUserDetailsManager(user);
+    }
+
+    @Bean
+    CorsConfigurationSource corsConfigurationSource() {
+        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
+        source.registerCorsConfiguration("/**", new CorsConfiguration().applyPermitDefaultValues());
+        return source;
+    }
+
+}
diff --git a/backend/src/main/java/de/grimsi/gameyfin/dto/PathToSlugDto.java b/backend/src/main/java/de/grimsi/gameyfin/dto/PathToSlugDto.java
new file mode 100644
index 0000000..3612724
--- /dev/null
+++ b/backend/src/main/java/de/grimsi/gameyfin/dto/PathToSlugDto.java
@@ -0,0 +1,9 @@
+package de.grimsi.gameyfin.dto;
+
+import lombok.Data;
+
+@Data
+public class PathToSlugDto {
+    private String path;
+    private String slug;
+}
diff --git a/backend/src/main/java/de/grimsi/gameyfin/dto/UsernamePasswordDto.java b/backend/src/main/java/de/grimsi/gameyfin/dto/UsernamePasswordDto.java
new file mode 100644
index 0000000..2f16123
--- /dev/null
+++ b/backend/src/main/java/de/grimsi/gameyfin/dto/UsernamePasswordDto.java
@@ -0,0 +1,9 @@
+package de.grimsi.gameyfin.dto;
+
+import lombok.Data;
+
+@Data
+public class UsernamePasswordDto {
+    private String username;
+    private String password;
+}
diff --git a/backend/src/main/java/de/grimsi/gameyfin/repositories/DetectedGameRepository.java b/backend/src/main/java/de/grimsi/gameyfin/repositories/DetectedGameRepository.java
index 146c317..433044a 100644
--- a/backend/src/main/java/de/grimsi/gameyfin/repositories/DetectedGameRepository.java
+++ b/backend/src/main/java/de/grimsi/gameyfin/repositories/DetectedGameRepository.java
@@ -6,6 +6,7 @@ import org.springframework.data.jpa.repository.JpaRepository;
 import java.nio.file.Path;
 import java.util.Collection;
 import java.util.List;
+import java.util.Optional;
 
 public interface DetectedGameRepository extends JpaRepository<DetectedGame, String> {
 
@@ -13,6 +14,8 @@ public interface DetectedGameRepository extends JpaRepository<DetectedGame, Stri
 
     boolean existsBySlug(String slug);
 
+    Optional<DetectedGame> findByPath(String path);
+
     List<DetectedGame> getAllByPathNotIn(Collection<String> paths);
 
     default List<DetectedGame> getAllByPathNotIn(List<Path> paths) {
diff --git a/backend/src/main/java/de/grimsi/gameyfin/repositories/UnmappableFileRepository.java b/backend/src/main/java/de/grimsi/gameyfin/repositories/UnmappableFileRepository.java
index 3c01af3..bcdb1c0 100644
--- a/backend/src/main/java/de/grimsi/gameyfin/repositories/UnmappableFileRepository.java
+++ b/backend/src/main/java/de/grimsi/gameyfin/repositories/UnmappableFileRepository.java
@@ -6,6 +6,7 @@ import org.springframework.data.jpa.repository.JpaRepository;
 import java.nio.file.Path;
 import java.util.Collection;
 import java.util.List;
+import java.util.Optional;
 
 public interface UnmappableFileRepository extends JpaRepository<UnmappableFile, Long> {
 
@@ -13,6 +14,8 @@ public interface UnmappableFileRepository extends JpaRepository<UnmappableFile,
 
     List<UnmappableFile> getAllByPathNotIn(Collection<String> paths);
 
+    Optional<UnmappableFile> findByPath(String path);
+
     default List<UnmappableFile> getAllByPathNotIn(List<Path> paths) {
         List<String> pathStrings = paths.stream().map(Path::toString).toList();
         return getAllByPathNotIn(pathStrings);
diff --git a/backend/src/main/java/de/grimsi/gameyfin/rest/LibraryManagementController.java b/backend/src/main/java/de/grimsi/gameyfin/rest/LibraryManagementController.java
new file mode 100644
index 0000000..b55a125
--- /dev/null
+++ b/backend/src/main/java/de/grimsi/gameyfin/rest/LibraryManagementController.java
@@ -0,0 +1,51 @@
+package de.grimsi.gameyfin.rest;
+
+
+import de.grimsi.gameyfin.dto.PathToSlugDto;
+import de.grimsi.gameyfin.entities.DetectedGame;
+import de.grimsi.gameyfin.entities.UnmappableFile;
+import de.grimsi.gameyfin.repositories.DetectedGameRepository;
+import de.grimsi.gameyfin.service.DownloadService;
+import de.grimsi.gameyfin.service.GameService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.MediaType;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/v1/library-management")
+@PreAuthorize("hasAuthority('ADMIN_API_ACCESS')")
+@RequiredArgsConstructor
+public class LibraryManagementController {
+
+    private final GameService gameService;
+    private final DownloadService downloadService;
+
+    @DeleteMapping(value = "/delete-game/{slug}", produces = MediaType.APPLICATION_JSON_VALUE)
+    public void deleteGame(@PathVariable String slug) {
+        gameService.deleteGame(slug);
+    }
+
+    @GetMapping(value = "/confirm-game/{slug}", produces = MediaType.APPLICATION_JSON_VALUE)
+    public DetectedGame confirmMatch(@PathVariable String slug, @RequestParam(required = false, defaultValue = "true") boolean confirm) {
+        return gameService.confirmGame(slug, confirm);
+    }
+
+    @PostMapping(value = "/map-path", produces = MediaType.APPLICATION_JSON_VALUE)
+    public DetectedGame manuallyMapPathToSlug(@RequestBody PathToSlugDto pathToSlugDto) {
+        DetectedGame game = gameService.mapPathToGame(pathToSlugDto.getPath(), pathToSlugDto.getSlug());
+        
+        downloadService.downloadGameCoversFromIgdb();
+        downloadService.downloadGameScreenshotsFromIgdb();
+        downloadService.downloadCompanyLogosFromIgdb();
+
+        return game;
+    }
+
+    @GetMapping(value = "/unmapped-files", produces = MediaType.APPLICATION_JSON_VALUE)
+    public List<UnmappableFile> getUnmappedFiles() {
+        return gameService.getAllUnmappedFiles();
+    }
+}
diff --git a/backend/src/main/java/de/grimsi/gameyfin/rest/UnmappedFileController.java b/backend/src/main/java/de/grimsi/gameyfin/rest/UnmappedFileController.java
index 74daeef..d2c6ea3 100644
--- a/backend/src/main/java/de/grimsi/gameyfin/rest/UnmappedFileController.java
+++ b/backend/src/main/java/de/grimsi/gameyfin/rest/UnmappedFileController.java
@@ -16,14 +16,4 @@ public class UnmappedFileController {
 
     private final GameService gameService;
 
-    @GetMapping(produces = MediaType.APPLICATION_JSON_VALUE)
-    public List<UnmappableFile> getUnmappedFiles() {
-        return gameService.getAllUnmappedFiles();
-    }
-
-    @PostMapping(value = "/{unmappedFileId}/map-to/{igdbSlug}", produces = MediaType.APPLICATION_JSON_VALUE)
-    public DetectedGame mapGameManually(@PathVariable Long unmappedFileId, @PathVariable String igdbSlug) {
-        return gameService.mapUnmappedFile(unmappedFileId, igdbSlug);
-    }
-
 }
diff --git a/backend/src/main/java/de/grimsi/gameyfin/service/GameService.java b/backend/src/main/java/de/grimsi/gameyfin/service/GameService.java
index 916c85e..36f2537 100644
--- a/backend/src/main/java/de/grimsi/gameyfin/service/GameService.java
+++ b/backend/src/main/java/de/grimsi/gameyfin/service/GameService.java
@@ -16,6 +16,7 @@ import org.springframework.web.server.ResponseStatusException;
 import java.nio.file.Path;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.stream.Collectors;
 
 @Service
@@ -49,17 +50,39 @@ public class GameService {
     public List<GameOverviewDto> getGameOverviews() {
         return detectedGameRepository.findAll().stream().map(GameMapper::toGameOverviewDto).toList();
     }
+    
+    public void deleteGame(String slug) {
+        detectedGameRepository.deleteById(slug);
+    }
 
-    public DetectedGame mapUnmappedFile(Long unmappedGameId, String igdbSlug) {
+    public DetectedGame confirmGame(String slug, boolean confirm) {
+        DetectedGame g = getDetectedGame(slug);
+        g.setConfirmedMatch(confirm);
+        return detectedGameRepository.save(g);
+    }
 
-        UnmappableFile unmappableFile = unmappableFileRepository.findById(unmappedGameId)
-                .orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Unmapped file with id '%d' does not exist.".formatted(unmappedGameId)));
+    public DetectedGame mapPathToGame(String path, String slug) {
 
-        if(detectedGameRepository.existsBySlug(igdbSlug))
-            throw new ResponseStatusException(HttpStatus.CONFLICT, "Game with slug '%s' already exists in database.".formatted(igdbSlug));
+        if(detectedGameRepository.existsBySlug(slug))
+            throw new ResponseStatusException(HttpStatus.CONFLICT, "Game with slug '%s' already exists in database.".formatted(slug));
 
-        Igdb.Game igdbGame = igdbWrapper.getGameBySlug(igdbSlug)
-                .orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Game with slug '%s' does not exist on IGDB.".formatted(igdbSlug)));
+        Optional<UnmappableFile> optionalUnmappableFile = unmappableFileRepository.findByPath(path);
+        Optional<DetectedGame> optionalDetectedGame = detectedGameRepository.findByPath(path);
+
+        if(optionalUnmappableFile.isPresent()) {
+            return mapUnmappableFile(optionalUnmappableFile.get(), slug);
+        }
+
+        if(optionalDetectedGame.isPresent()) {
+            return mapDetectedGame(optionalDetectedGame.get(), slug);
+        }
+
+        throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Path '%s' not in database".formatted(path));
+    }
+
+    private DetectedGame mapUnmappableFile(UnmappableFile unmappableFile, String slug) {
+        Igdb.Game igdbGame = igdbWrapper.getGameBySlug(slug)
+                .orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Game with slug '%s' does not exist on IGDB.".formatted(slug)));
 
         DetectedGame game = GameMapper.toDetectedGame(igdbGame, Path.of(unmappableFile.getPath()));
         game = detectedGameRepository.save(game);
@@ -68,4 +91,16 @@ public class GameService {
 
         return game;
     }
+
+    private DetectedGame mapDetectedGame(DetectedGame existingGame, String slug) {
+        Igdb.Game igdbGame = igdbWrapper.getGameBySlug(slug)
+                .orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Game with slug '%s' does not exist on IGDB.".formatted(slug)));
+
+        DetectedGame game = GameMapper.toDetectedGame(igdbGame, Path.of(existingGame.getPath()));
+        game = detectedGameRepository.save(game);
+
+        detectedGameRepository.deleteById(existingGame.getSlug());
+
+        return game;
+    }
 }
diff --git a/backend/src/main/resources/application-dev.yml b/backend/src/main/resources/application-dev.yml
index 45d710a..ec7b922 100644
--- a/backend/src/main/resources/application-dev.yml
+++ b/backend/src/main/resources/application-dev.yml
@@ -1,4 +1,6 @@
 gameyfin:
+  user: admin
+  password: 112
   root: C:\Projects\privat\gameyfin-library
   #root: \\NAS-Simon\Öffentlich\Spiele
   cache: ${gameyfin.root}\.gameyfin\cache
diff --git a/backend/src/main/resources/application.yml b/backend/src/main/resources/application.yml
index 66f9135..850a4f0 100644
--- a/backend/src/main/resources/application.yml
+++ b/backend/src/main/resources/application.yml
@@ -1,25 +1,16 @@
 server:
   port: 8080
-  error.include-stacktrace: never
 
 spring:
-  mvc:
-    async.request-timeout: -1
-  jackson.default-property-inclusion: non_null
   datasource.db-name: gameyfin_db
   datasource.url: jdbc:h2:file:${gameyfin.db}/${spring.datasource.db-name};AUTO_SERVER=TRUE
   datasource.username: gfadmin
   datasource.password: gameyfin
   datasource.driverClassName: org.h2.Driver
-  jpa:
-    database-platform: org.hibernate.dialect.H2Dialect
-    hibernate.ddl-auto: update
-    open-in-view: true
-    properties:
-      hibernate:
-        event.merge.entity_copy_observer: allow
 
 gameyfin:
+  user: ""
+  password: ""
   root: ""
   cache: ${gameyfin.root}\.gameyfin\cache
   db: ${gameyfin.root}\.gameyfin\db # Currently unused
diff --git a/backend/src/main/resources/config/secure.yml b/backend/src/main/resources/config/secure.yml
new file mode 100644
index 0000000..4445e02
--- /dev/null
+++ b/backend/src/main/resources/config/secure.yml
@@ -0,0 +1,14 @@
+server:
+  error.include-stacktrace: never
+
+spring:
+  mvc:
+    async.request-timeout: -1
+  jackson.default-property-inclusion: non_null
+  jpa:
+    database-platform: org.hibernate.dialect.H2Dialect
+    hibernate.ddl-auto: update
+    open-in-view: true
+    properties:
+      hibernate:
+        event.merge.entity_copy_observer: allow
\ No newline at end of file
diff --git a/frontend/src/app/components/game-detail-view/game-detail-view.component.html b/frontend/src/app/components/game-detail-view/game-detail-view.component.html
index 936732b..da8e016 100644
--- a/frontend/src/app/components/game-detail-view/game-detail-view.component.html
+++ b/frontend/src/app/components/game-detail-view/game-detail-view.component.html
@@ -2,7 +2,9 @@
   <div fxLayout="column" fxFlex="0 1 70" fxLayoutGap="16px" fxFlex.lt-xl="95">
     <div fxLayout="row" fxLayout.lt-lg="column" fxLayoutGap="16px">
 
-      <img style="max-width: 352px;" src="v1/images/{{game.coverId}}" alt="Game cover">
+      <div fxLayoutAlign.lt-lg="center">
+        <img style="max-width: 264px;" src="v1/images/{{game.coverId}}" alt="Game cover">
+      </div>
 
       <div fxFlex="40" fxLayout="column" id="game-details">
         <h1>{{game.title}}</h1>