A robust and secure backup system for protecting malware
2019
As the development of information and communication technology is accelerating, malware threatening is continuously increasing. Regularly backing up data is essential to protecting data in the computing system against the growing number of malware by using the remote cloud servers or local Network Attached Storage(NAS) servers. However, the traditional cloud servers and NAS are not entirely safe for malware like ransomware. In this paper, we propose a robust and secure region-based backup system against malware attacks. The proposed backup system is divided into 3 regions: Un-safe, Middle, and Safe regions, depending on the risk of malware infections. The un-safe region is a common file system that is prone to malware attacks because it is mounted on the local machine. The safe region is isolated from the remote computer system over the Internet as well as the local computer system. The middle region is changed to the safe region only if this region is guaranteed that it is not infected with malware. We evaluate the reliability of the propose system based on the fault tolerance modeling.
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