How to Set Up a Cloud Service with Synology C2 for Remote Backup

Remote backup has become a foundational requirement for modern businesses. Whether you’re protecting critical documents, cloud workloads, or NAS-based data, offsite storage ensures that your organization can recover quickly from hardware failure, cyberattacks, or natural disasters. Synology C2 is a powerful cloud platform designed to extend Synology NAS capabilities, offering encrypted, scalable, and cost-efficient remote backup options.

In this guide, you’ll learn how to set up Synology C2 for remote backup, along with best practices for maximizing security, resilience, and long-term reliability.

1. Understanding Synology C2 and Why It Matters

Synology C2 is Synology’s cloud infrastructure built specifically for data protection, file storage, and business continuity. It integrates seamlessly with Synology NAS devices and provides:

• Offsite backup and disaster recovery

• Secure cloud replication

• Encrypted storage for sensitive data

• Compliance-ready retention

• Easy multi-location accessibility

While your physical Synology NAS protects data locally, C2 adds a second layer of offsite protection, an essential part of a 3-2-1 backup strategy.

2. Preparing Your Environment Before Setup

Before configuring Synology C2, confirm:

 You have an active Synology NAS running DSM

Make sure the NAS is updated to the latest version for compatibility.

 You have a Synology Account.

This is required for accessing C2 services.

 You understand your backup goals.

Identify whether you need:

• Full NAS-to-cloud backup

• Folder-level backup

• Hyper Backup tasks

• Snapshot replication

• Object storage for application data

This ensures that the setup aligns with your business continuity plan.

3. Setting Up Synology C2 Backup with Hyper Backup

Hyper Backup is the main tool used to back up NAS data to Synology C2. Here is how to configure it:

Step 1: Install Hyper Backup

Open Package Center → search for Hyper Backup → Install.

Step 2: Create a New Backup Task

Open Hyper Backup → click + → choose Data Backup Task → select Synology C2 Storage.

Step 3: Log in to Your Synology Account

Log in to authenticate your C2 services and choose the region where your data will be stored.

Step 4: Select Backup Destinations

Choose C2 Backup or C2 Storage depending on your plan.

Step 5: Choose Data and Applications to Back Up

You can select:

• Shared folders

• System configurations

• Applications

• Databases

This lets you protect all business-critical data.

Step 6: Set Up Backup Settings

Configure:

• Backup schedule

• Rotation policy

• Retention plan

• Encryption settings

Synology allows client-side encryption to ensure only your organization can decrypt stored data.

Step 7: Run Your First Backup

Click Apply → run the initial backup.
Afterward, incremental backups ensure minimal bandwidth usage.

4. Using C2 Storage for Advanced and Flexible Backups

Synology C2 Storage works seamlessly with Hyper Backup, but can also support:

C2 Object Storage

Ideal for businesses running applications, containerized workloads, or large data archives.

C2 Backup for Microsoft 365

Protects email, OneDrive files, SharePoint sites, and Teams data.

C2 Backup for Endpoints

Backs up Windows and macOS devices directly to the cloud without a NAS.

These capabilities make Synology C2 a complete remote-backup ecosystem suitable for multi-site or hybrid cloud environments.

5. Strengthening Backup Security with Synology C2

Security is a core strength of Synology C2. Businesses can enhance protection through:

End-to-End Encryption

Data is encrypted before leaving your NAS.

Zero-Knowledge Design

Only your encryption key can unlock data—Synology cannot access it.

Multi-Factor Authentication

Protects access to cloud accounts.

IP Allow/Block Lists

Limits access to approved networks.

Audit Logs

Tracks user actions and ensures compliance.

These features help meet data-protection standards such as HIPAA, GDPR, and SOC 2.

6. Setting Up Disaster Recovery with C2 Storage

Synology C2 is not just for archiving data; it can also support fast recovery:

• Restore entire folders or NAS configurations.

• Retrieve previous versions using backup rotation.

• Recover quickly after ransomware attacks using encrypted snapshots

Combined with NAS-based snapshots and local backups, C2 becomes a powerful disaster recovery layer.

7. Best Practices for Businesses Using Synology C2

To maximize reliability:

• Follow the 3-2-1 backup rule (local, onsite, offsite)

• Enable encryption for all backup tasks.

• Schedule backups during low-traffic hours

• Periodically test restoration procedures.

• Use separate retention policies for compliance-driven data

These steps ensure your cloud backups remain dependable and audit-ready.

About Epis Technology

Epis Technology helps businesses implement secure, scalable cloud-backup solutions using Synology NAS and Synology C2. From Microsoft 365 and Google Workspace backups to hybrid cloud deployments, large storage systems, and fully managed PC backups, Epis Technology delivers end-to-end data protection tailored to your organization. With deep expertise in Synology infrastructure and disaster recovery planning, Epis ensures your business data remains safe, accessible, and ready for any challenge.