Druva’s patented server manager detects ransomware by analyzing file activities and entropy scores in client device backups. The system generates standard patterns, identifies anomalies, and restores encrypted files. This innovative technology enhances data security and protection against ransomware attacks. GlobalData’s report on Druva gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Druva, Hybrid cloud mgmt was a key innovation area identified from patents. Druva's grant share as of May 2024 was 40%. Grant share is based on the ratio of number of grants to total number of patents.

Ransomware detection system for server backups

Source: United States Patent and Trademark Office (USPTO). Credit: Druva Inc

A newly granted patent (Publication Number: US11960603B2) discloses a server manager designed to detect ransomware in backups stored by client devices. The server manager includes a server interface to retrieve backups from a storage device and a ransomware detection module that generates a standard pattern of file activities based on prior backups. By analyzing file activity ratios and conducting statistical behavior analysis, the module can identify anomalies in backups that may indicate ransomware presence. It further identifies new or modified files, checks for encryption, and restores encrypted files to their original state through a journal walk process. The patent also covers a method and computer program product for ransomware detection, emphasizing the importance of analyzing file activity patterns and entropy scores to identify potential threats.

Moreover, the patent includes additional features such as a backup log module to store file activities, configurable thresholds for anomaly detection, and the consideration of Multipurpose Internet Mail Extensions information for file changes. The method and computer program product outlined in the patent provide a comprehensive approach to ransomware detection by combining statistical analysis, entropy scoring, and file comparison techniques. By focusing on the specific file activity patterns of individual client devices, the system aims to enhance the accuracy and efficiency of ransomware detection in backup data. Overall, the patent offers a sophisticated solution for safeguarding data integrity and preventing ransomware attacks through proactive monitoring and analysis of backup files.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.