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Hyper Backup Encryption Technologies Explained, With Epis Technology’s Expertise

When it comes to keeping important business information safe, “good enough” is never enough. Your digital assets need more than one layer of protection, just like you would keep heirloom jewelry safe in a vault. Hyper Backup from Synology uses advanced AES-256 and RSA-2048 encryption to keep backup data safe from people who shouldn’t be able to see it. At Epis Technology, we go above and beyond these built-in protections by creating secure backup plans from start to finish for businesses that need to be absolutely sure they will work.

We explain how these encryption technologies work below, as well as how Epis Technology uses Synology’s security foundation to build a complete, enterprise-ready backup system.

How AES-256 Encryption Keeps Backup Data Safe

AES (Advanced Encryption Standard) is a symmetric encryption algorithm, which means that the same key is used to encrypt and decrypt data. Hyper Backup encrypts each backup version with a randomly generated AES-256 key, which is the longest key length that is currently available.

This makes sure that even if someone got access to stored data on the server side, they wouldn’t be able to read it without the original AES key. Epis Technology sets up Synology systems so that this encryption works as part of a security posture that is layered, audited, and watched.

How RSA-2048 gives you a second layer of security

RSA is a type of encryption that uses a public key to encrypt and a private key to decrypt. Hyper Backup encrypts the AES key with RSA-2048, which makes it even safer.

The AES version key can only be unlocked and read by the person who has the paired RSA private key. This design protects against both insider threats and outside attacks.

Epis Technology makes sure that:

  • Best-practice security policies keep your private keys safe
  • Access controls and password policies stop people from using things they shouldn’t
  • Recovery processes are designed to stop accidental lockouts or data loss

How the Process Works Together

When a backup task starts:

  • It makes a filename key (AES-256) that is used to encrypt file names
  • AES-256 is a version key that encrypts the backup data
  • Then, RSA-2048 encrypts the version key and stores it safely

The server side only sees encrypted data; it doesn’t see filenames, contents, or metadata.

When you restore:

  • The filename key lets you see the names of folders and files
  • The RSA private key opens the version key, which then unlocks the real backup data

Epis Technology helps businesses keep these keys safe, making sure they can still get their data back even in disaster recovery situations.

Key Management: A Common Problem for Businesses

You have to be very careful with private keys when using Hyper Backup. If you lose them, you can’t get to encrypted content. Epis Technology does this to stop it:

  • Sets up rules for safely storing private keys
  • Sets up automatic backups of important files to secure places
  • Makes sure that admins follow strict rules for passwords and MFA
  • Write down the steps for recovering keys as part of your disaster recovery (DR) plan

A business can still get its local private key back if it loses it, as long as it remembers the password for the key stored through Synology.

Safe Sending and Storing on Synology C2

Synology C2 backup workflows use:

  • SSL encryption for all data that is in transit
  • AES-256 for encryption on the client side
  • RSA-2048 to keep keys safe

Private key exclusivity means that even Synology can’t decrypt your backup without it.

Epis Technology adds to this protection by combining C2 with:

  • Backup plans for multiple sites
  • Backup policies that can’t be changed
  • Configurations that are safe from ransomware
  • Logging key access that is easy to follow

Your backups are now part of a backup system that is safe, can be restored, and can be checked.

How Epis Technology Makes Synology Hyper Backup Deployments Stronger

Epis Technology is an expert in Synology infrastructure and builds safe systems for Microsoft 365, Google Workspace, workstation backups, virtual machines, and servers that are spread out over several locations. When we set up Hyper Backup and C2 cloud services, we:

  • Design backup pipelines that are encrypted from start to finish
  • Use key-management standards that are up to compliance standards
  • Set up automatic cloud and hybrid retention policies
  • Give quick restore options with recovery paths that don’t compromise anything
  • Check deployments for strange behavior, failures, or attempts to tamper with them

With Epis Technology, businesses get more than just Synology’s encryption. They get a fully managed, enterprise-class data protection system that can handle real-world threats.

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