The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 03, 2026
Filed:
Mar. 13, 2023
Zoho Corporation Private Limited, Kanchipuram District, IN;
Mathivanan Venkatachalam, Chennai, IN;
Rajesh Ranganathan, Kanchipuram District, IN;
Vishal Santharam, Kanchipuram District, IN;
Kirubagaran Thangasami, Kanchipuram District, IN;
Zoho Corporation Private Limited, Kanchipuram District, IN;
Abstract
Described are methods and systems that prevent malicious software from deleting shadow copies of computer files that might be required to restore user data in the event of a ransomware attack. A user layer includes a volume snapshot service that makes shadow copies and includes a hook to intercept delete requests. A kernel layer includes a filter to disallow shadow-copy deletion requests directed from the user layer to the operating-system.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile