Ransomware threats are evolving, targeting not just live production environments but also standard backup repositories. This comprehensive guide demonstrates how to architect a bulletproof, zero-trust 'Immutable Backup' pipeline for your VPS. By combining the powerful client-side deduplication of BorgBackup with the cost-effective, secure Append-Only bucket policies of Cloudflare R2, you can ensure your critical business data remains entirely unalterable and rapidly recoverable.