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| Number | Title | Issue Date |
| 6314437 | Method and apparatus for real-time secure file deletion A method and apparatus are provided that enhance file system calls to a file system structure of an operating system. In particular, file system calls can be enhanced to provide real-time secure file deletion on an ongoing basis. A file system call that i... | 11/06/2001 |
| 6256646 | Method and system for identifying the state of a media device by monitoring file system calls The state of a media device is identified by monitoring file system calls. A determination is made whether or not a file system call originated from a specified high level application. In one implementation, the high level application writes to a monitore... | 07/03/2001 |
| 6212600 | Method and apparatus for sanitization of fixed storage devices A method and apparatus are disclosed for sanitization of a fixed storage device interfaced to a computer system. The computer system is booted from a removable storage device that holds a bootable disk operating system and program code that is executed wi... | 04/03/2001 |
| 6070174 | Method and apparatus for real-time secure file deletion A method and apparatus are provided that enhance file system calls to a file system structure of an operating system. In particular, file system calls can be enhanced to provide real-time secure file deletion on an ongoing basis. A file system call that i... | 05/30/2000 |
