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Class Information
Number: 726/26
Name: Information security > Prevention of unauthorized use of data including prevention of piracy, privacy violations, or unauthorized data modification
Description: Subject matter comprising systems, methods, and apparatus for prohibiting any impersonation, unauthorized browsing, falsification or theft of data, or alteration of data not consistent with defined security policy.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6175924 |
Method and apparatus for protecting application data in secure storage areas |
Jan. 16, 2001 |
| 6172664 |
Electronic apparatuses capable of scrambling confidential data for display |
Jan. 9, 2001 |
| 6157720 |
Method and apparatus for encrypting data |
Dec. 5, 2000 |
| 6138236 |
Method and apparatus for firmware authentication |
Oct. 24, 2000 |
| 6134659 |
Controlled usage software |
Oct. 17, 2000 |
| 6134660 |
Method for revoking computer backup files using cryptographic techniques |
Oct. 17, 2000 |
| 6134663 |
Management system and terminal apparatus to manage and control distribution and use of software and the like |
Oct. 17, 2000 |
| 6128735 |
Method and system for securely transferring a data set in a data communications system |
Oct. 3, 2000 |
| 6125186 |
Encryption communication system using an agent and a storage medium for storing that agent |
Sep. 26, 2000 |
| 6118870 |
Microprocessor having instruction set extensions for decryption and multimedia applications |
Sep. 12, 2000 |
| 6119210 |
Device for the protection of stored data using a time delay circuit |
Sep. 12, 2000 |
| 6119233 |
Secure data communication system |
Sep. 12, 2000 |
| 6115820 |
Determining theft of grammar code |
Sep. 5, 2000 |
| 6108419 |
Differential fault analysis hardening apparatus and evaluation method |
Aug. 22, 2000 |
| 6101587 |
Data protection circuit for semiconductor memory device |
Aug. 8, 2000 |
| 6092161 |
Method and apparatus for controlling access to and corruption of information in a computer |
Jul. 18, 2000 |
| 6058479 |
Redundant path data switch and media translator |
May. 2, 2000 |
| 6052780 |
Computer system and process for accessing an encrypted and self-decrypting digital information product while restricting access to decrypted digital information |
Apr. 18, 2000 |
| 6049876 |
Data processing system and method which detect unauthorized memory accesses |
Apr. 11, 2000 |
| 6012144 |
Transaction security method and apparatus |
Jan. 4, 2000 |
| 6009518 |
Computer system for providing improved security for stored information |
Dec. 28, 1999 |
| 5987572 |
Method and apparatus employing a dynamic encryption interface between a processor and a memory |
Nov. 16, 1999 |
| 5982890 |
Method and system for detecting fraudulent data update |
Nov. 9, 1999 |
| 5983351 |
Web site copyright registration system and method |
Nov. 9, 1999 |
| 5978916 |
Method, system and computer program product for updating region-dependent software using a common update module for multiple regions |
Nov. 2, 1999 |
| 5978920 |
Computer system having a function for intercepting lewd/violent programs and method for controlling access of such lewd/violent programs |
Nov. 2, 1999 |
| 5956400 |
Partitioned information storage systems with controlled retrieval |
Sep. 21, 1999 |
| 5941987 |
Reference cell for integrated circuit security |
Aug. 24, 1999 |
| 5935243 |
Licensee notification system |
Aug. 10, 1999 |
| 5930357 |
Method of managing contracts for licensed program use and a management system thereof |
Jul. 27, 1999 |
| 5896498 |
Method and apparatus for protecting user privacy by providing an inaccurate measure of network systems accesssed |
Apr. 20, 1999 |
| 5892826 |
Data processor with flexible data encryption |
Apr. 6, 1999 |
| 5892900 |
Systems and methods for secure transaction management and electronic rights protection |
Apr. 6, 1999 |
| 5889941 |
System and apparatus for smart card personalization |
Mar. 30, 1999 |
| 5838901 |
Overridable data protection mechanism for PLDs |
Nov. 17, 1998 |
| 5838902 |
Copy protection circuit for a data in a memory |
Nov. 17, 1998 |
| 5832265 |
Reentrant libraries |
Nov. 3, 1998 |
| 5822435 |
Trusted path subsystem for workstations |
Oct. 13, 1998 |
| 5761485 |
Personal electronic book system |
Jun. 2, 1998 |
| 5748888 |
Method and apparatus for providing secure and private keyboard communications in computer systems |
May. 5, 1998 |
| 5745686 |
Information tracing system and information tracing method |
Apr. 28, 1998 |
| 5737416 |
Method and apparatus for enabling trial period use of software products: method and apparatus for utilizing a decryption stub |
Apr. 7, 1998 |
| 5657444 |
Microprocessor with secure programmable read only memory circuit |
Aug. 12, 1997 |
| 5642480 |
Method and apparatus for enhanced security of a data processor |
Jun. 24, 1997 |
| 5488410 |
System and method for disk software publishers to control disk distribution |
Jan. 30, 1996 |
| 5488702 |
Data block check sequence generation and validation in a file cache system |
Jan. 30, 1996 |
| 5465341 |
Verifiable security circuitry for preventing unauthorized access to programmed read only memory |
Nov. 7, 1995 |
| 5388211 |
Method and apparatus for remotely controlling and monitoring the use of computer software |
Feb. 7, 1995 |
| 5355466 |
Single chip microcomputer having an address discrimination circuit and an operation mode terminal for protecting the content of internal ROM |
Oct. 11, 1994 |
| 5327563 |
Method for locking software files to a specific storage device |
Jul. 5, 1994 |
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