×

System and method to secure a computer system by selective control of write access to a data storage medium

  • US 20200133522A1
  • Filed: 09/05/2019
  • Published: 04/30/2020
  • Est. Priority Date: 12/01/2005
  • Status: Active Grant
First Claim
Patent Images

1. In a computer comprising a storage medium and an application running on said computer in conjunction with an operating system that manages access to a data storage device, a method of controlling write access to said data storage device by said application comprising:

  • using the computer operating a detection process in a secure mode access an attempt by the running application to write data to said data storage device;

    retrieving from computer memory a permission data value result from a database comprised of data elements encoding either at least one permission value associated with the application or a value representing that no permission value for the application is present in the database; and

    controlling write access by the running application to store data to the data storage device in dependence on said retrieved permission result.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×