![]() ![]() The user saved the encryption key, and that key is available.The user stored the encryption key on an external device, and that external device is also available, as shown in the picture:.The user added the encryption key to on-device storage, optionally allowing shares to mount on boot, as shown in the picture:.Our approach to decrypting the data stored on NAS devices is based on the assumption that at least one of the following conditions is true: Manufacturers recommend backing up the encryption keys protected with a strong password. The intended usage scenario of built-in encryption with on-device keys is the safe disposal of disks independent of the encryption key. As long as the key and the disks are intact, the attacker may decrypted the data without brute-forcing the key. ![]() Synology uses a single fixed, pre-programmed passphrase on all of its NAS units.Īt the same time, his design presents a potential vulnerability. Note: when the key is stored on an internal hard drive, the wrapping passphrase cannot be changed. This feature adds the convenience of automatically mounting volumes on reboot. Encryption in Network Attached Storage Devices (NAS)Īlong with other manufacturers of network attached storage for home users, Synology offers users the option to store encryption keys in the built-in key storage. In this article, we’ll review the common encryption scenarios used in home and small office models of network attached storage devices made by Synology. Encrypted NAS devices can be a real roadblock on the way of forensic investigations. All Qnap and Synology network attached storage models are advertised with support for hardware-accelerated AES encryption. Home users and small offices are served by two major manufacturers of network attached storage devices (NAS): QNAP and Synology, with Western Digital being a distant third. ![]()
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