Patents
Patents for G06F 21 - Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity (119,294)
02/1993
02/04/1993WO1993002419A1 Protection system for computers
02/03/1993EP0500794A4 Computer control system
02/02/1993CA1313424C Nonhierarchical program authorization mechanism
01/1993
01/26/1993US5182770 System and apparatus for protecting computer software
01/26/1993US5181859 Electrical connector circuit wafer
01/21/1993WO1993001550A1 License management system and method
01/21/1993WO1993001540A1 Portable computer locking means
01/20/1993EP0494913A4 Electro-active cradle circuits for the detection of access or penetration
01/20/1993CN1068212A Read-write controller for hard disk of microcomputer
01/13/1993EP0522473A2 Cryptographic identity verification method and apparatus
01/13/1993EP0522332A1 Computer for controlling a machine, especially a printing press
01/12/1993USRE34161 Memory cartridge and information processor unit using such cartridge
01/07/1993WO1993000637A1 Method and apparatus for transferring data between a host device and a plurality of portable computers
01/07/1993CA2111188A1 Method and apparatus for transferring data between a host device and a plurality of portable computers
01/05/1993US5177789 Pocket-sized computer access security device
12/1992
12/30/1992EP0520709A2 A method for providing a security facility for remote systems management
12/30/1992EP0520705A1 Keyboard activated screen blanking
12/30/1992EP0520228A2 Data processing system with access protection
12/29/1992US5175766 Signalling scheme for controlling data encryption device in an electronic fund transaction processing system
12/29/1992CA1312142C Linkage mechanism for program isolation
12/23/1992EP0519109A1 Access control in computer networks
12/22/1992US5173940 Keyboard activated screen blanking
12/22/1992US5173876 Electrically erasable and programmable non-volatile semiconductor memory device
12/22/1992CA2071704A1 Keyboard activated screen blanking
12/16/1992EP0518466A1 Data processing system with cryptographic facility
12/15/1992CA1311559C Method and system for personal identification
12/10/1992WO1992022033A1 Active messaging system
12/10/1992WO1992022032A1 Storage protection utilizing public key control
12/09/1992EP0516898A1 Electronic notary
12/09/1992EP0516682A1 Method and apparatus for controlling access to and corruption of information in computer systems.
12/01/1992US5168520 Method and apparatus for personal identification
12/01/1992US5168151 Portable electronic device having a memory with restricted access in off-line modes
12/01/1992CA1311054C Intelligent portable interactive personal data system
11/1992
11/26/1992WO1992021087A1 Method and apparatus for preventing 'disease' damage in computer systems
11/26/1992WO1992021082A1 Pointing device for a computer and computer cooperating with a pointing device
11/25/1992EP0514815A2 Method for recovery of a computer program infected by a virus
11/25/1992EP0514708A1 Safety guard for circuit components and/or data in an electrotechnical apparatus
11/24/1992US5166979 Data transmitting equipment
11/24/1992US5166886 System to demonstrate and sell computer programs
11/19/1992EP0514289A1 Computer protection system
11/19/1992EP0513484A2 Digital network access authorisation
11/17/1992US5164988 Data processing network
11/17/1992CA1310425C License management methods and systems
11/12/1992WO1992020042A1 Method for blocking smart card
11/12/1992WO1992020022A1 Management interface and format for license management system
11/12/1992WO1992020021A1 License management system
11/10/1992US5163147 Computer system with file security function
11/10/1992US5163096 Storage protection utilizing public storage key control
11/10/1992US5163091 Knowledge based system for document authentication (apparatus)
11/10/1992CA1310136C Microcomputer with internal ram security during external program mode
11/04/1992EP0511732A2 Data communication method and a data terminal equipment used therein
11/04/1992EP0511483A2 Method and apparatus for authenticating users of a communication system to each other
11/03/1992US5161190 System for encryption and identification
10/1992
10/28/1992EP0510434A2 Apparatus and method for inhibiting analysis of a secure circuit
10/28/1992EP0510433A2 Secure circuit structure
10/28/1992EP0510244A1 Method and apparatus for protecting a computer system from computer viruses
10/28/1992EP0477281A4 Controller prohibiting data communication until user is verified
10/28/1992EP0408689A4 System and method of protecting integrity of computer data and software
10/28/1992EP0401258A4 Document marking system
10/27/1992US5159629 Data protection by detection of intrusion into electronic assemblies
10/27/1992US5159183 Ic card
10/27/1992US5159182 Smart data storage device
10/21/1992EP0509639A2 Detecting unjustifiable reloading of stored data
10/21/1992EP0509567A2 Device with protection against access to secure information
10/14/1992EP0507811A1 Method and apparatus for controlling writing to memory
10/13/1992US5155829 Memory system and method for protecting the contents of a ROM type memory
10/13/1992US5155827 Method for inhibiting an executable program in a disk operating system by replacing the program with an unexecutable program
10/13/1992US5155768 Security system for software
10/13/1992US5155680 Billing system for computing software
10/13/1992US5155590 System for data channel level control
10/06/1992US5153921 Microcomputer
10/06/1992US5153918 Security system for data communications
09/1992
09/30/1992EP0506234A2 Method for detecting improper rewriting of stored data
09/29/1992WO1992017958A1 Secure computer interface
09/29/1992US5151938 Security enhancement in a data processor through use of dynamic parameter authentication
09/29/1992CA2106574A1 Secure computer interface
09/27/1992CA2063054A1 Data communication method and a data terminal equipment used therein
09/24/1992DE4109468A1 Limiting of dialogue between user and central computer - is provided by coupling unit with input filter to control transmission of data to computer
09/24/1992DE4108249A1 Copy protection for floppy magnetic discs - using discs with errors deliberately stored such that specific user programme is required
09/23/1992EP0505302A1 Authentication protocols in communication networks
09/23/1992EP0504364A1 Distributed user authentication protocol.
09/23/1992EP0504249A1 A method of automatic verification of personal identity.
09/22/1992US5150409 Device for the identification of messages
09/22/1992US5150407 Secured data storage devices
09/21/1992WO1993006542A1 Computer system with safeguarding
09/16/1992EP0503765A2 Access control in a distributed computer system
09/15/1992US5148543 Ic card with a stored data change inhibition function
09/15/1992US5148481 Transaction system security method and apparatus
09/15/1992US5148479 Authentication protocols in communication networks
09/10/1992DE4120864A1 Security protection system for computers against unauthorised access - stores password in reference memory to provide values compared against entered value to control gates
09/08/1992US5146575 Implementing privilege on microprocessor systems for use in software asset protection
09/08/1992US5146499 Data processing system comprising authentification means viz a viz a smart card, an electronic circuit for use in such system, and a procedure for implementing such authentification
09/03/1992WO1992015074A1 Method of protecting an integrated circuit against fraudulent use
09/03/1992CA2104373A1 Method of protecting an integrated circuit against fraudulent use
09/02/1992EP0501760A2 Method for detecting improper rewriting of stored data
09/02/1992EP0501475A2 A keyring methaphor for users' security keys on a distributed multiprocess data system
09/02/1992EP0500794A1 Computer control system
09/02/1992EP0500612A1 A protective device for computers and the like, adapated to prevent the pick up, the recording and the unauthorized use of data from the computers during the working thereof, and to protect them against high energy transient disturbances taking place on the main a.c. power line
09/01/1992US5144667 Method of secure remote access
09/01/1992US5144665 Cryptographic communication method and system