| Patents for G06F 21 - Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity (119,294) |
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| 09/01/1992 | US5144664 Apparatus and method for upgrading terminals to maintain a secure communication network |
| 09/01/1992 | US5144660 Securing a computer against undesired write operations to or read operations from a mass storage device |
| 09/01/1992 | US5144659 Computer file protection system |
| 09/01/1992 | US5144557 Method and system for document distribution by reference to a first group and particular document to a second group of user in a data processing system |
| 08/26/1992 | EP0500461A1 Device for the detection of the logical state of a component, whose impedance varies according to it's state |
| 08/26/1992 | EP0398931A4 Cryptographic method and apparatus with electronically redefinable algorithm |
| 08/25/1992 | US5142578 Hybrid public key algorithm/data encryption algorithm key distribution method based on control vectors |
| 08/25/1992 | US5142565 Controller for managing data communication with a host computer for the purpose of user verification by voice processing |
| 08/20/1992 | WO1992014209A1 Encryption apparatus for computer device |
| 08/19/1992 | CN1017942B Apparatus and method for preventing unauthorized access to bios in personal computer system |
| 08/13/1992 | DE4103935A1 Transfer of computer programs from optical mass storage device to computer - with program descriptions using control mechanism supplied with password-controlled information for releasing programs for operation |
| 08/13/1992 | DE4103173A1 Device for protecting against unauthorised use of software - contains external data generator providing input to computer dependent on output from it, which detects manipulation attempts |
| 08/12/1992 | EP0497889A1 Method and apparatus for secure identification and verification. |
| 08/12/1992 | EP0485417A4 Layered protection system for computer's hard disk |
| 08/11/1992 | US5138712 Apparatus and method for licensing software on a network of computers |
| 08/06/1992 | WO1992013322A1 Secured method for loading a plurality of applications into a microprocessor memory card |
| 08/06/1992 | WO1992013307A1 Method and device for monitoring computer manipulations |
| 08/06/1992 | CA2035697A1 Encryption apparatus for computer device |
| 08/04/1992 | US5136644 Portable electronic device for use in conjunction with a screen |
| 08/04/1992 | CA1306034C Security enclosures |
| 07/29/1992 | EP0496459A1 Method and apparatus for access control and/or identification |
| 07/29/1992 | EP0496344A1 Device for the authorisation of the use of an apparatus with an actuating unit |
| 07/28/1992 | US5134700 Microcomputer with internal ram security during external program mode |
| 07/28/1992 | US5134391 System for preventing the use of an unauthorized external memory |
| 07/23/1992 | WO1992012485A1 Devices to (1) supply authenticated time and (2) time stamp and authenticate digital documents |
| 07/22/1992 | EP0495645A1 Data security device |
| 07/22/1992 | EP0494913A1 Electro-active cradle circuits for the detection of access or penetration |
| 07/22/1992 | EP0267259B1 Security file system for a portable data carrier |
| 07/21/1992 | CA1305561C Electronic appliance |
| 07/19/1992 | WO1992013321A1 Method and apparatus for access control and/or identification |
| 07/19/1992 | CA2100576A1 Method and apparatus for access control and/or identification |
| 07/14/1992 | US5131091 Memory card including copy protection |
| 07/14/1992 | US5131038 Portable authentification system |
| 07/14/1992 | US5131025 Intelligent modem system which determines proper access thereto |
| 07/07/1992 | US5129083 Conditional object creating system having different object pointers for accessing a set of data structure objects |
| 07/07/1992 | US5128997 Wired microcircuit card and a method for transactions between a corresponding wired microcircuit card and a terminal |
| 07/01/1992 | EP0493232A1 Workstation and procedure for password controlled use of workstation |
| 07/01/1992 | EP0492692A2 Remote accessing system |
| 06/30/1992 | US5127099 Method and apparatus for securing access to a ladder logic programming and monitoring system |
| 06/30/1992 | US5126728 ADP security device for labeled data |
| 06/24/1992 | EP0270571B1 Arrangement for a portable data carrier having multiple application files |
| 06/16/1992 | US5123045 Comprehensive software protection system |
| 06/11/1992 | WO1992009946A1 Security system |
| 06/09/1992 | US5121345 System and method for protecting integrity of computer data and software |
| 06/09/1992 | US5120939 Databaseless security system |
| 06/03/1992 | EP0488720A1 A portable electronic device and a method for processing data therefor |
| 06/03/1992 | EP0488492A2 Random character generator |
| 06/03/1992 | EP0488384A1 Electric power saving device of a portable data terminal and its method |
| 06/03/1992 | EP0488364A2 Method and apparatus for securing integrated circuits from unauthorized use |
| 06/02/1992 | US5119336 Memory write protection circuit |
| 05/31/1992 | CA2044495A1 Random character generator |
| 05/29/1992 | WO1992009161A1 Knowledge based system for document authentication |
| 05/29/1992 | WO1992009160A1 A secure system for activating personal computer software at remote locations |
| 05/27/1992 | EP0487444A2 Method and apparatus for consensual delegation of software command operations in a data processing system |
| 05/26/1992 | US5117457 Tamper resistant packaging for information protection in electronic circuitry |
| 05/20/1992 | EP0485887A2 Apparatus and method for upgrading terminals to maintain a secure communication network |
| 05/20/1992 | EP0485634A1 Information processing device having function of preventing program from being unjustly used |
| 05/20/1992 | EP0485417A1 Layered protection system for computer's hard disk |
| 05/19/1992 | US5115508 Password system utilizing two password types, the first being changeable after entry, the second being unchangeable until power is removed |
| 05/14/1992 | DE4034444A1 Data protected work station computer - requires special software for access and monitors system to detect unauthorised manipulation |
| 05/13/1992 | EP0485275A1 Security device with a memory and/or a microprocessor for data processing machines |
| 05/13/1992 | EP0484686A2 Secure communications system for remotely located computers |
| 05/12/1992 | US5113518 Method and system for preventing unauthorized use of software |
| 05/12/1992 | US5113509 Method of changing data on disk |
| 05/12/1992 | US5113442 Method and apparatus for providing access control in a secure operating system |
| 05/12/1992 | CA1300757C Portable electronic device meant to be used with a screen |
| 05/07/1992 | WO1992008181A1 Security device having a memory and/or a microcomputer for data processing hardware |
| 05/05/1992 | US5111390 Software security system for maintaining integrity of compiled object code by restricting users ability to define compilers |
| 04/29/1992 | EP0482975A1 Method and apparatus to enhance the protection of a memory card |
| 04/29/1992 | EP0482527A2 A normal to spare switching control system |
| 04/29/1992 | EP0236412B1 Secure computer system |
| 04/28/1992 | US5109413 Manipulating rights-to-execute in connection with a software copy protection mechanism |
| 04/22/1992 | EP0481882A1 Method to confirm memory cards secret cyphers |
| 04/22/1992 | EP0481881A1 Integrated circuit with improved security access |
| 04/22/1992 | EP0481770A2 Data storage medium access verification system |
| 04/22/1992 | EP0481735A2 Address protection circuit |
| 04/21/1992 | US5107443 Private regions within a shared workspace |
| 04/21/1992 | CA1299288C System for data field area acquisition in ic card for multiple services |
| 04/20/1992 | WO1992007436A1 Method and apparatus for personal identification |
| 04/15/1992 | EP0422184A4 Computer file protection system |
| 04/10/1992 | WO1992006451A1 Method for distributing the memory of an integrated circuit among a plurality of applications |
| 04/10/1992 | CA2093524A1 Method for distributing the memory of an integrated circuit among a plurality of applications |
| 04/08/1992 | EP0479461A2 Prevention of inspection of secret data stored in encapsulated integrated circuit chip |
| 04/08/1992 | EP0478969A2 Method and apparatus for protecting multiple copies of computer software from unauthorized use |
| 04/08/1992 | EP0478571A1 Method and apparatus for remotely controlling and monitoring the use of computer software. |
| 04/08/1992 | EP0460092A4 Improved encryption printed circuit board |
| 04/07/1992 | US5103476 Secure system for activating personal computer software at remote locations |
| 04/07/1992 | CA1298653C System for permitting access to data field area in ic card for multiple services |
| 04/01/1992 | EP0477570A2 Security system for electronic printing systems |
| 04/01/1992 | EP0477281A1 Controller prohibiting data communication until user is verified |
| 03/31/1992 | US5101374 Secure, fast storage and retrieval without interactive checking |
| 03/31/1992 | US5101373 System and method for securing remote terminal and remote terminal program |
| 03/25/1992 | EP0477039A2 Computer network |
| 03/25/1992 | EP0476754A1 Microprocessor-controlled apparatus including an antitheft protection means which can be disabled |
| 03/25/1992 | EP0476283A1 Keyboard using secret coding process for protected data input |
| 03/24/1992 | US5099516 Digital computer code word identification system |
| 03/19/1992 | DE4028982A1 High speed encryption of data on work station - involves encryption on output and decryption on input during data exchanges with storage media using little CPU processing power |
| 03/18/1992 | EP0475837A1 Method of managing an application program stored in an IC card |
| 03/17/1992 | US5097506 Keyboard password lock |
| 03/17/1992 | US5097505 Method and apparatus for secure identification and verification |