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Synology Security Checklist Explained for Businesses

Securing your NAS is no longer optional. With increasing cyber threats and ransomware attacks, businesses must ensure their storage systems are protected at every level. A well-configured Synology NAS can provide strong security, but only if best practices are properly implemented.

This checklist helps businesses understand and apply essential security measures.

Enable Strong Access Control

Controlling user access is the foundation of security.

Key Steps:

  • Create individual user accounts
  • Assign role-based permissions
  • Disable default admin accounts
  • Enable multi-factor authentication (MFA)

This ensures only authorized users can access sensitive data.

Keep DSM and Packages Updated

Outdated software is one of the biggest security risks.

Best Practices:

  • Enable automatic updates
  • Regularly check for security patches
  • Update installed applications

Staying updated protects against known vulnerabilities.

Configure Firewall and Network Protection

Your NAS should never be exposed without protection.

Recommended Actions:

  • Enable built-in firewall
  • Restrict access by IP address
  • Close unused ports
  • Use secure protocols (HTTPS, SSH with keys)

Network-level security reduces external threats.

Secure Remote Access

Remote access must be carefully controlled.

Use:

  • VPN instead of direct port forwarding
  • Secure login credentials
  • Limited access permissions

Avoid exposing your NAS directly to the internet.

Enable Encryption

Protecting data in transit and at rest is critical.

Options Include:

  • Encrypted shared folders
  • SSL/TLS for data transmission
  • Secure backup encryption

Encryption ensures data remains protected even if accessed.

Implement Backup and Recovery Strategy

Security is incomplete without reliable backups.

Follow the 3-2-1 Rule:

  • 3 copies of data
  • 2 different storage types
  • 1 off-site backup

Backups protect against data loss and ransomware.

Enable Snapshot and Versioning

Snapshots provide quick recovery options.

Benefits:

  • Restore previous file versions
  • Protect against accidental deletion
  • Reduce ransomware impact

Snapshots add an extra layer of protection.

Monitor System Activity

Visibility helps detect threats early.

Use Tools To:

  • Monitor login attempts
  • Track file access
  • Review system logs

Early detection prevents major incidents.

Use Antivirus and Threat Protection

Additional security layers improve protection.

Actions:

  • Install antivirus tools
  • Scan files regularly
  • Monitor suspicious activity

This reduces the risk of malware infections.

Limit Application Exposure

Running too many services increases risk.

Best Practices:

  • Disable unused services
  • Restrict application access
  • Use container isolation when possible

Minimizing exposure reduces vulnerabilities.

Plan for Disaster Recovery

Security includes preparing for worst-case scenarios.

Ensure:

  • Fast recovery processes
  • Tested backup systems
  • Clear recovery procedures

This ensures business continuity.

Security Is an Ongoing Process

Security is not a one-time setup. As threats evolve, businesses must continuously review and update their configurations. Regular audits, monitoring, and testing help maintain a strong security posture and ensure that systems remain protected against new and emerging risks.

How Epis Technology Secures Synology Environments

Epis Technology helps businesses implement comprehensive Synology security strategies tailored to their needs. From access control to backup design, Epis Technology ensures systems are secure and optimized.

The company provides services including large storage solutions, Microsoft 365 and Google Workspace backups, fully managed PC backups, and Synology consulting and support. Epis Technology also assists with security audits, network protection, and ongoing monitoring.

About Epis Technology

Epis Technology provides enterprise IT infrastructure, Synology consulting, and data protection solutions for organizations of all sizes. The company specializes in security, storage systems, and backup solutions. Through expert design, implementation, and ongoing support, Epis Technology helps businesses build secure, scalable, and resilient IT environments.

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