diff --git a/apps/api/src/ops/backup.ts b/apps/api/src/ops/backup.ts
index ccb6eb1..c7087a6 100644
--- a/apps/api/src/ops/backup.ts
+++ b/apps/api/src/ops/backup.ts
@@ -3,12 +3,13 @@ import { createReadStream, createWriteStream, existsSync } from 'node:fs';
 import { chmod, mkdir, mkdtemp, readdir, readFile, rename, rm, stat, writeFile, copyFile } from 'node:fs/promises';
 import { createHash } from 'node:crypto';
 import { tmpdir } from 'node:os';
-import { join, basename } from 'node:path';
+import { join, basename, dirname } from 'node:path';
 import mysql from 'mysql2/promise';
 import { config } from '../core/config.js';
 import { query, one } from '../core/db.js';
 import { audit, verifyAuditChain } from '../core/audit.js';
 import { enqueue } from '../core/jobs.js';
+import { STORE_ROOT as ATTACHMENT_DIR } from '../modules/tickets/files.js';
 import { fileName, parseName, selectDeletions, type Keep } from './retention.js';
 import { getBackupPassword } from './settings.js';
 import { buildRemote, loadTargets, friendly, type Remote } from './targets.js';
@@ -72,6 +73,21 @@ async function tableCounts(q: (sql: string) => Promise<any[]>): Promise<Record<s
   return out;
 }
 
+/** Zählt Dateien/Bytes rekursiv (für Ticket-Anhänge). Fehlt das Verzeichnis, gilt das als leer, nicht als Fehler. */
+async function dirStats(dir: string): Promise<{ files: number; bytes: number }> {
+  if (!existsSync(dir)) return { files: 0, bytes: 0 };
+  let files = 0; let bytes = 0;
+  const walk = async (d: string) => {
+    for (const e of await readdir(d, { withFileTypes: true })) {
+      const p = join(d, e.name);
+      if (e.isDirectory()) await walk(p);
+      else if (e.isFile()) { files += 1; bytes += (await stat(p)).size; }
+    }
+  };
+  await walk(dir);
+  return { files, bytes };
+}
+
 /** Erstellt ein verschlüsseltes Backup (DB-Dump + Konfiguration/Schlüssel), lädt es zu allen Zielen hoch und räumt nach Aufbewahrungsregeln auf. */
 export async function runBackup(c: BackupConfig, now = new Date()): Promise<NonNullable<Status['lastRun']>> {
   const t0 = Date.now(); const targets: { name: string; ok: boolean; error?: string }[] = []; const dests: { label: string; remote: string; env: Record<string, string> }[] = []; const built: Remote[] = [];
@@ -87,8 +103,12 @@ export async function runBackup(c: BackupConfig, now = new Date()): Promise<NonN
     for (const f of ['app.env', 'db.env', 'discord.env']) if (existsSync(join(c.envDir, f))) await copyFile(join(c.envDir, f), join(work, 'config', f));
     const counts = await tableCounts((sql) => query(sql));
     const migrations = (await query('SELECT name FROM schema_migrations ORDER BY name')).map((r) => r.name as string);
-    await writeFile(join(work, 'manifest.json'), JSON.stringify({ version: 1, createdAt: now.toISOString(), database: config.db.database, counts, migrations, dumpSha256: await sha256(join(work, 'db.sql')) }, null, 2));
-    await run('tar', ['-czf', join(work, 'archive.tar.gz'), '-C', work, 'db.sql', 'config', 'manifest.json']);
+    const attachments = await dirStats(ATTACHMENT_DIR);
+    await writeFile(join(work, 'manifest.json'), JSON.stringify({ version: 1, createdAt: now.toISOString(), database: config.db.database, counts, migrations, attachments, dumpSha256: await sha256(join(work, 'db.sql')) }, null, 2));
+    const tarArgs = ['-czf', join(work, 'archive.tar.gz'), '-C', work, 'db.sql', 'config', 'manifest.json'];
+    // Ticket-Anhänge liegen außerhalb von work (STORE_ROOT); eigener -C-Abschnitt bettet sie unter ihrem Basisnamen mit ein.
+    if (attachments.files > 0) tarArgs.push('-C', dirname(ATTACHMENT_DIR), basename(ATTACHMENT_DIR));
+    await run('tar', tarArgs);
     const out = join(c.dir, name);
     if (pw) await gpgEncrypt(work, join(work, 'archive.tar.gz'), out, pw.password);
     else if (c.recipient) await run('age', ['-r', c.recipient, '-o', out, join(work, 'archive.tar.gz')]);
@@ -172,6 +192,12 @@ export async function runRestoreTest(c: BackupConfig, file?: string): Promise<No
     await run('tar', ['-xzf', join(work, 'archive.tar.gz'), '-C', work]);
     const manifest = JSON.parse(await readFile(join(work, 'manifest.json'), 'utf8')); checks.dumpPruefsumme = (await sha256(join(work, 'db.sql'))) === manifest.dumpSha256;
     if (!checks.dumpPruefsumme) throw new Error('Prüfsumme des Datenbank-Dumps stimmt nicht');
+    if (manifest.attachments) {
+      const extracted = await dirStats(join(work, basename(ATTACHMENT_DIR)));
+      checks.anhaenge = extracted.files === manifest.attachments.files && extracted.bytes === manifest.attachments.bytes;
+      checks.anhaengeDateien = extracted.files;
+      if (!checks.anhaenge) throw new Error(`Ticket-Anhänge in der Sicherung unvollständig: ${extracted.files}/${manifest.attachments.files} Dateien`);
+    }
     const admin = await mysql.createConnection({ host: config.db.host, port: config.db.port, user: config.db.user, password: config.db.password });
     try {
       await admin.query(`DROP DATABASE IF EXISTS \`${scratch}\``); await admin.query(`CREATE DATABASE \`${scratch}\` CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci`);