Patents
Patents for G06F 21 - Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity (119,294)
03/1992
03/17/1992US5097504 Method and device for qualitative saving of digitized data
03/17/1992CA1297584C Security device for sensitive data
03/11/1992EP0245428B1 Device for prevention of unauthorized use of credit cards and the like data media
03/10/1992CA1297175C Individual identification system
03/04/1992EP0472714A1 Process for authenticating a user using a data station
03/04/1992EP0472521A1 Information distribution system
03/01/1992WO1992004671A1 Distributed user authentication protocol
02/1992
02/26/1992EP0472487A2 Apparatus and method for controlling access to data using domains
02/25/1992US5091939 Method and apparatus for password protection of a computer
02/25/1992US5091910 Information processing device
02/25/1992CA1296428C2 Cartridge for gaming machine and a gaming machine using the same
02/19/1992EP0471639A2 Method for document distribution by reference in a data processing system
02/19/1992EP0471538A2 Data security system
02/18/1992CA1296104C Metering retrieval of encrypted data stored in customer data retrieval terminal
02/12/1992EP0470163A1 Improved security for machine-writeable data storage systems
01/1992
01/29/1992EP0468535A2 Microcomputer having ROM data protection function
01/29/1992EP0261162B1 Method for qualitative saving of digitized data
01/22/1992EP0467355A2 Security circuit for protecting data stored in an internal memory of a microcomputer
01/22/1992EP0466763A1 Computer security system
01/21/1992US5083309 Method and a system enabling software to be run securely
01/21/1992US5083293 Prevention of alteration of data stored in secure integrated circuit chip memory
01/15/1992EP0465571A1 Method and apparatus for protecting material on storage media
01/14/1992US5081676 Method and apparatus for protecting multiple copies of computer software from unauthorized use
01/09/1992WO1992000638A1 Method and apparatus for password protection of a computer
01/08/1992EP0465016A2 Distributed multilevel computer security system and method
01/08/1992EP0464320A2 Method for protecting record carriers individually against unauthorised use
01/08/1992EP0464306A2 Structured document tags invoking specialized functions
01/08/1992EP0464103A1 Controller card and associated reading unit
01/07/1992CA1294050C Memory cartridge and game apparatus using the same
01/07/1992CA1294049C Cartridge for gaming machine and a gaming machine using the same
01/02/1992DE4019652A1 Protection appts. against unauthorised use of commercial software - combines unique target machine ID with individual security code to produce unique password
12/1991
12/31/1991US5077795 Security system for electronic printing systems
12/24/1991US5075884 Multilevel secure workstation
12/24/1991US5075845 Type management and control in an object oriented memory protection mechanism
12/24/1991US5075842 Disabling tag bit recognition and allowing privileged operations to occur in an object-oriented memory protection mechanism
12/21/1991CA2045001A1 Data locking system
12/19/1991DE4021199A1 Element e.g. smart diskette which plugs into electronic data processor - has interface, keyboard, display, chip card read-write device, batteries and modem
12/18/1991EP0461456A2 Detachable element for a diskette- or cassette unit of an EDP-station
12/17/1991US5073933 X window security system
12/12/1991WO1991019250A1 Information processing device having function of preventing program from being unjustly used
12/12/1991WO1991019067A1 Electronic key integrated circuit
12/12/1991CA2044225A1 Insertable element for the diskette or cassette station of an electronic data processing (edp) equipment
12/11/1991EP0460216A1 Security management method in a decentralized data base system
12/11/1991EP0460092A1 Improved encryption printed circuit board
12/10/1991US5072331 Secure circuit structure
12/04/1991EP0459792A2 Electronic document processing systems
12/04/1991EP0459046A1 Computer software protection
12/04/1991CN1056787A Cable television radio frequency subscriber data transmission apparatus and calibration method
12/03/1991US5070479 External memory having an authenticating processor and method of operating same
12/03/1991CA1292791C Hardware assist for protecting pc software
11/1991
11/28/1991WO1991018493A1 Security device for computer appliances
11/27/1991EP0458718A2 Method for controlling public access to a plurality of data objects within a data processing system
11/27/1991EP0458210A2 Method and apparatus for cryptographic transcoding of messages
11/27/1991EP0457940A1 Activating circuit
11/21/1991EP0457677A1 Method for managing the rights-of-use of software on a computer work station and system for carrying out the method
11/21/1991EP0457655A1 Computer work station configuration method and system for carrying out the method
11/21/1991EP0456920A2 Remote authentication and authorisation in a distributed data processing system
11/19/1991US5067155 Method and means to limit access to computer systems
11/19/1991US5067154 Terminal management method and apparatus
11/19/1991US5067077 Single chip microcomputer having unauthorized memory space access protection
11/17/1991CA2042550A1 Procedure for managing the user rights for several software packages on a computer workstation and system for its implementation
11/17/1991CA2042461A1 Procedure for configuration of a computer workstation and system for its implementation
11/14/1991WO1991017612A1 Method and means to limit access to computer systems
11/14/1991WO1991017611A1 Method and means to limit access to computer systems
11/13/1991EP0456386A2 Access control in a distributed computer system
11/12/1991US5065429 Method and apparatus for protecting material on storage media
11/06/1991EP0455064A2 Data encryption device and method for data encryption
11/05/1991US5063596 Encryption printed circuit board
10/1991
10/30/1991EP0454363A2 Voice password-controlled computer security system
10/30/1991EP0454263A1 A security-system for a main-computer
10/29/1991US5062075 Microcomputer having security memory using test and destruction routines
10/26/1991CA2040724A1 Voice password controlled computer security system
10/23/1991EP0355132A4 Computer program license management system
10/22/1991US5060263 Computer access control system and method
10/22/1991US5060261 Microcircuit card protected against intrusion
10/17/1991WO1991015816A1 Method and apparatus for protection of software in an electronic system
10/16/1991EP0451476A2 Secure key management using programmable control vector checking
10/15/1991US5058164 Encryption of streams of addressed information to be used for program code protection
10/15/1991US5058162 Method of distributing computer data files
10/15/1991US5058161 Method and apparatus for secure identification and verification
10/15/1991US5058036 Device for secret registration of display data
10/15/1991US5057996 Waitable object creation system and method in an object based computer operating system
10/08/1991US5056140 Communication security accessing system and process
10/08/1991US5056009 IC memory card incorporating software copy protection
10/08/1991US5056008 Data processor having expanded operating functions
10/03/1991WO1991014980A1 Process for authenticating a user using a data station
10/02/1991EP0449256A2 Microcontroller having security means
10/02/1991EP0449255A2 Micro controller
10/02/1991EP0449242A2 Method and structure for providing computer security and virus prevention
10/02/1991EP0449154A2 Computer control system
10/02/1991DE4010094A1 User password identification for data processing network access - generating multiple-parameter key from single password per user to enable access to many routines
10/01/1991US5053992 Prevention of inspection of secret data stored in encapsulated integrated circuit chip
10/01/1991CA1290070C Implementing privilege on microprocessor systems for use in software asset protection
09/1991
09/26/1991DE4008971A1 Verfahren zur authentifizierung eines eine datenstation benutzenden anwenders A method for authentication of a data-station-use product user
09/25/1991EP0448262A2 Prevention of determination of time of execution of predetermined data processing routine in relation to occurrence of prior observable external event
09/24/1991US5052040 Multiple user stored data cryptographic labeling system and method
09/21/1991WO1991015063A1 Cable television radio frequency subscriber data transmission apparatus and calibration method
09/21/1991CA2078548A1 Cable television radio frequency subscriber data transmission apparatus and calibration method
09/18/1991EP0447386A2 Security system for computer system
09/18/1991EP0447339A2 Method for providing variable authority level user access control in a distributed data processing system