Patents
Patents for G06F 21 - Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity (119,294)
12/1994
12/14/1994CN1096389A Recording and reproducing appts.
12/13/1994US5373289 Method and system for access to a paging radio receiver
12/10/1994CA2125445A1 Intrusion and suspicious user detection device for a computer installation and security system incorporating said device
12/07/1994EP0627679A1 Data flow control apparatus and memory apparatus
12/06/1994US5371794 Method and apparatus for privacy and authentication in wireless networks
12/06/1994US5371793 Data storage device and method of accessing the data storage device
12/06/1994US5371792 CD-ROM disk and security check method for the same
12/06/1994US5371692 Activating circuit for modifying or adding a new program to an electronic device
11/1994
11/30/1994EP0401258B1 Document marking system
11/29/1994US5369707 Secure network method and apparatus
11/29/1994US5369702 Distributed cryptographic object method
11/24/1994DE4321151C1 Protective key circuit
11/22/1994US5367704 Method and system for limiting program utilization period in computer
11/22/1994US5367682 Data processing virus protection circuitry including a permanent memory for storing a redundant partition table
11/22/1994US5367572 Method and apparatus for personal identification
11/22/1994US5367150 Data processing system using IC card
11/17/1994EP0624267A1 Method and device for preventing unauthorised access to a computer system
11/17/1994EP0465571A4 Method and apparatus for protecting material on storage media
11/15/1994US5365587 Data processing system
11/15/1994US5365586 Method and apparatus for fingerprinting magnetic media
11/15/1994US5365580 System and method of detecting unauthorized use of identifiers
11/15/1994US5365045 Portable electric device
11/09/1994EP0624014A2 Personal date/time notary device
11/09/1994EP0623879A1 Microprocessor with secure memory
11/08/1994US5363446 Computer for the control station of a machine, more particularly a printing press
11/02/1994EP0622719A1 Protecting device for circuit components and for data in an electrotechnical apparatus
11/02/1994EP0373175B1 Device for identification of messages
11/01/1994US5361359 System and method for controlling the use of a computer
11/01/1994US5361062 Personal security system
10/1994
10/27/1994WO1994024669A1 Magnetic recording head with continuously monitored track following servo
10/27/1994WO1994024641A1 Method and apparatus for process control, tension control, and testing of magnetic media
10/27/1994WO1994024639A1 Method and apparatus for noise reduction in magnetic media
10/27/1994WO1994024638A1 Method and apparatus for fingerprinting and authenticating magnetic media
10/27/1994CA2159801A1 Method and apparatus for fingerprinting and authenticating magnetic media
10/27/1994CA2159800A1 Method and apparatus for noise reduction in magnetic media
10/26/1994EP0621660A2 Network conditioning insert
10/26/1994EP0621569A1 Protection device of the keys of a chip card
10/26/1994EP0621532A1 Password verification system
10/26/1994EP0614553A4 Computer memory protection.
10/25/1994US5359659 Method for securing software against corruption by computer viruses
10/20/1994DE4419115A1 Method of highly effective protection from unauthorised use of software copies
10/20/1994DE4312905A1 Protection device for protecting stored data
10/18/1994US5357573 Memory card
10/18/1994US5357467 Security circuit for protecting data stored in memory
10/13/1994WO1994023500A1 Programmable logic device having security elements located amongst configuration bit locations to prevent unauthorized reading
10/13/1994WO1994017650A3 A method and system for controlling the use of software
10/12/1994EP0619037A1 Portable data store
10/11/1994US5355474 System for multilevel secure database management using a knowledge base with release-based and other security constraints for query, response and update modification
10/11/1994US5355414 Computer security system
10/11/1994US5355413 Authentication method performed between IC card and terminal unit and system therefor
10/11/1994US5355336 Memory device and a method for prohibiting writing to the memory device
10/04/1994US5353411 Operating system generation method
10/04/1994US5353350 Electro-active cradle circuits for the detection of access or penetration
09/1994
09/29/1994DE4409551A1 Verfahren und Anordnung zur Verhinderung eines unberechtigten Zugriffs zu einem arbeitenden Computer Method and apparatus for preventing unauthorized access to a working computer
09/28/1994EP0617387A2 File management apparatus for IC card
09/28/1994EP0617383A2 Data storage device
09/28/1994EP0591451A4 Method and apparatus for transferring data between a host device and a plurality of portable computers
09/28/1994CN1092888A Database system and method for accessing the same
09/21/1994EP0567492B1 Method and device for monitoring computer manipulations
09/21/1994EP0335919B1 System and method for securing integrated circuits from unauthorized copying
09/20/1994US5349663 System for representing hierarchical structures
09/20/1994US5349655 Method for recovery of a computer program infected by a computer virus
09/20/1994US5349643 System and method for secure initial program load for diskless workstations
09/20/1994US5349642 Method and apparatus for authentication of client server communication
09/20/1994US5349249 Programmable logic device having security elements located amongst configuration bit location to prevent unauthorized reading
09/15/1994WO1994020901A1 Method for executing software program and circuit device for implementing the method
09/15/1994WO1994020897A1 Hardware protection control for computer storage devices
09/15/1994DE4307395A1 Data security system
09/14/1994EP0615192A1 Method and apparatus for object traversing suitable for structured memory formed by linked objects
09/14/1994EP0614559A1 Personal identification devices and access control systems
09/14/1994EP0614553A1 Computer memory protection
09/13/1994US5347581 Verification process for a communication system
09/13/1994US5347580 Authentication method and system with a smartcard
09/13/1994US5347579 Personal computer diary
09/13/1994US5347578 Computer system security
09/07/1994EP0614159A1 Ic card
09/07/1994CN1091844A Secure access control system
09/07/1994CN1091843A Trusted personal computer system with identification
09/06/1994US5345549 Multimedia based security systems
09/06/1994US5345507 In a communication system
09/01/1994WO1994019884A1 Personal computer diary
09/01/1994CA2156604A1 Personal computer diary
08/1994
08/31/1994EP0613073A1 Licence management mechanism for a computer system
08/30/1994US5343530 Method for the authentication of data
08/30/1994US5343529 Transaction authentication using a centrally generated transaction identifier
08/30/1994US5343527 Hybrid encryption method and system for protecting reusable software components
08/30/1994US5343526 Method for establishing licensor changeable limits on software usage
08/30/1994US5343525 Hard disk data security device
08/30/1994US5343524 Intelligent security device
08/24/1994EP0612040A2 Method and apparatus for credit card verification
08/24/1994EP0612001A1 Monitoring system with dual memory for electrophotographic printing machines using replaceable cartridges
08/24/1994EP0611461A1 Device for protecting a computer facility by restricting access thereto.
08/23/1994US5341429 Transformation of ephemeral material
08/23/1994US5341422 Trusted personal computer system with identification
08/23/1994US5341421 Security device, including a memory and/or a microcomputer for data processing machines
08/23/1994CA1331641C System for conveying information for the reliable authentication of a plurality of documents
08/23/1994CA1331640C Document authentication system
08/18/1994WO1994017650A2 A method and system for controlling the use of software
08/17/1994EP0610623A1 File locking based on bad disk sectors
08/17/1994EP0610497A1 A dongle