Matches 551 - 599 out of 599 < 1 2 3 4 5 6 7 8 9 10 11 12
Match Document Document Title
6442694 Fault isolation for communication networks for isolating the source of faults comprising attacks, failures, and other network propagating errors  
A technique for isolating faults in a communication network is described. The techniques can be utilized in high speed communications networks such as all-optical networks (AONs). The technique is...
6412071 Method for secure function execution by calling address validation  
A method for detecting and preventing unauthorized or illegal attempts to gain enhanced privileges within a computing environment by exploiting the buffer overflow-related weakness of the computer...
6393386 Dynamic modeling of complex networks and prediction of impacts of faults therein  
A method and system are provided for use in administering a complex system, such as a distributed computing ensemble. A model of the system being administered is prepared, preferably during runtime...
6351811 Systems and methods for preventing transmission of compromised data in a computer network  
Systems and methods for controlling the transmission of data in a computer network; specifically, systems and methods related to preventing the transmission of compromised data. In one embodiment,...
6343362 System and method providing custom attack simulation language for testing networks  
A development system providing a Custom Attack Simulation Language (CASL) for testing networks is described. In particular, the development system implements methodology for facilitating...
6324656 System and method for rules-driven multi-phase network vulnerability assessment  
In one aspect of the invention, a computer implemented method for rules-driven multi-phase network vulnerability assessment is disclosed. The method comprises pinging devices on a network to...
6324647 System, method and article of manufacture for security management in a development architecture framework  
A system, method, and article of manufacture are provided for providing security management in a development architecture framework. Unauthorized attempts to access a network are detected and when...
6279113 Dynamic signature inspection-based network intrusion detection  
A signature based dynamic network intrusion detection system (IDS) includes attack signature profiles which are descriptive of characteristics of known network security violations. The attack...
6275938 Security enhancement for untrusted executable code  
Untrusted executable code programs (applets or controls) are written in native, directly executable code. The executable code is loaded into a pre-allocated memory range (sandbox) from which...
6272640 Method and apparatus employing an invalid symbol security jam for communications network security  
A security device for use in communications network devices, such as multi-port repeaters, in local area networks to prevent eavesdropping by overwriting the data with an invalid symbol in the data...
6253370 Method and apparatus for annotating a computer program to facilitate subsequent processing of the program  
A method and apparatus annotates a computer program to facilitate subsequent processing of the program. Code representing the program is generated at a first computer system. Annotations are...
6240493 Method and apparatus for performing access censorship in a data processing system  
Method and apparatus for performing access censorship in a data processing system (10). In one embodiment, a digital data processing system (10) has a sub-system (34) that can be protected against...
6237037 Method and arrangement relating to communications systems  
The invention relates to a method and arrangement for detecting and/or tracking a non-authorised client station (11, 20) when accessing a host station (10, 21) in a communications network (12),...
6070242 Method to activate unregistered systems in a distributed multiserver network environment  
The present invention includes a method and apparatus for registering devices in a computer network. Initially, for an unregistered device, the network establishes a unregistered enabled packet...
6058482 Apparatus, method and system for providing network security for executable code in computer and communications networks  
An apparatus, method and system are disclosed for providing network security for executable code in computer and communications networks, such as providing network security for downloadable and...
6044401 Network sniffer for monitoring and reporting network information that is not privileged beyond a user's privilege level  
The present invention provides a method and system for locating available information in a network environment by a user in a node. In a system aspect, within a node in the network, the present...
6021510 Antivirus accelerator  
System and method for examining a file (1) associated with a digital computer (2) to determine whether a computer virus is present within the file (1). The file (1) contains at least one numbered...
6006328 Computer software authentication, protection, and security system  
A software-based computer security enhancing process and graphical software-authenticity method, and a method to apply aspects of the two are disclosed. The process provides protection against...
5974549 Security monitor  
The present invention is a method of creating a secure sandbox within which a plurality of downloaded software components can execute in a secure manner. The software components can be of any type,...
5961644 Method and apparatus for testing the integrity of computer security alarm systems  
Apparatus and method for testing the integrity of computer alarm systems which can be part of a computing network, includes testing the computer alarm system by simulating an attack on the...
5956481 Method and apparatus for protecting data files on a computer from virus infection  
Protection of data files on a computer system from infection or damage by a computer virus. A virus protection system can detect either an external or internal open file event for a file maintained...
5949973 Method of relocating the stack in a computer system for preventing overrate by an exploit program  
A stack override prevention method provides protection against a computer attack that utilizes the technique of stack override to gain control of a computer system. The method of the protection is...
5948102 Method and device to improve the security of an integrated circuit  
Disclosed is a method and apparatus to increase the security of an integrated circuit, the integrated circuit including at least one microprocessor, one or more security sensors to detect abnormal...
5919258 Security system and method for computers connected to network  
A security system for a network connected with a plurality of computers is disclosed, in which one of the computers monitors the internal status thereof. An internal status monitor unit of the one...
5909589 Internet based training  
A verifier is provided for assessing unique characteristics exhibits by a user over a period of time. The unique characteristics are captured through various interactions with the user over time...
5867647 System and method for securing compiled program code  
A system and method of providing increased security for compiled program code. Compiled program code is installed in a computer having type enforcement capability. The compiled program code is...
5859966 Security system for computer systems  
A security system for a computer system imposes specific limitations on who has access to the computer system and to exactly what operations and data. Viruses are securely contained and prevented...
5835726 System for securing the flow of and selectively modifying packets in a computer network  
The present invention discloses a novel system for controlling the inbound and outbound data packet flow in a computer network. By controlling the packet flow in a computer network, private...
5832206 Apparatus and method to provide security for a keypad processor of a transaction terminal  
Apparatus to provide security for a keypad processor of a transaction terminal includes a secured processor coupled to a keypad and processor of the transaction terminal. The apparatus may operate...
5826015 Method and apparatus for secure remote programming of firmware and configurations of a computer over a network  
A method and related apparatus enables one station on a local area network (LAN) 24 to remotely and securely modify sensitive information of another station on the LAN 24. A workstation 12, acting...
5809138 Method for protecting storage media against computer virus infection  
A method of protecting computer files that are pre-stored on a storage medium such as a floppy-disk, against a computer virus infection. The method includes determining a free-space value (e.g.,...
5802275 Isolation of non-secure software from secure software to limit virus infection  
A personal digital assistant (PDA) receives and executes both encrypted and unencrypted programs. Encrypted programs are fairly secure from virus infection, while unencrypted programs are not. To...
5754762 Secure multiple application IC card using interrupt instruction issued by operating system or application program to control operation flag that determines the operational mode of bi-modal CPU  
Multiple applications upon an IC microprocessor are protected with bi-modal CPU operation, either in application mode or system mode, using an operation flag determining the mode and a functional...
5748957 Computer system usage determination based on hard disk drive activity  
A method of determining a pattern of usage of a computer system. The method may be performed by a computer (1) having a bootable writable storage medium and (2) executing a usage-monitor program...
5745676 Authority reduction and restoration method providing system integrity for subspace groups and single address spaces during program linkage  
Provides data and program integrity in a computer system by guarding against malicious program operation when using the Branch In Subspace Group instruction (BSG) of the S/390 computer...
5657445 Apparatus and method for limiting access to mass storage devices in a computer system  
A computer system is provided with the capability of protecting portions of the mass storage media therein from unauthorized access. The mechanism employed to protect portions of the mass storage...
5615340 Network interfacing apparatus and method using repeater and cascade interface with scrambling  
An apparatus for interfacing a plurality of nodes to a network includes a plurality of working ports coupled to the nodes, an attachment port coupled to the network, an address table for storing...
5557743 Protection circuit for a microprocessor  
Electronic devices using microprocessors requiring additional external memory can have security protection for the microprocessors while in an expanded mode of operation. A microprocessor having a...
5475625 Method and arrangement for monitoring computer manipulations  
Method and arrangement for monitoring manipulations on computers (3) which are connected via a network (2), in the method attributes being inquired automatically from databases of the computers (3)...
5465349 System for monitoring abnormal integrated circuit operating conditions and causing selective microprocessor interrupts  
The invention relates to integrated circuits and, notably, to circuits for which it is desired to provide security against any fraudulent usage. The circuits concerned are microprocessor circuits...
5361359 System and method for controlling the use of a computer  
A system and method for auditing and controlling the use of a computer. An operating system and selected programs and data , referred to as approved applications and approved data , are stored on a...
5359721 Non-supervisor mode cross address space dynamic linking  
In a network of object oriented distributed systems, a plurality of program code managers, each having access to a plurality of program code segment objects, a plurality of address space managers,...
5249294 Determination of time of execution of predetermined data processing routing in relation to occurrence of prior externally observable event  
Compromise of a predetermined secure data processing routine by a procedure known as a "clock attack" is prevented by a method that inhibits synchronization with externally generated instructions...
5224160 Process for securing and for checking the integrity of the secured programs  
For securing programs contained in a system storage and for checking their integrity, the programs are in each case coded by a symmetric cryptographic algorithm with the application of a readback...
4918653 Trusted path mechanism for an operating system  
The trusted path mechanism invention guarantees that data typed by a user on a terminal keyboard is protected from any intrusion by unauthorized programs. It allows a user to create a non-forgeable...
4905281 Security apparatus and method for computers connected to telephone circuits  
A security apparatus for interfacing a computer system with a telephone circuit includes a modem and a controller interfacing between the telephone circuit and a modem of the computer system. The...
4442486 Protected programmable apparatus  
Apparatus that discourages the use of computer equipment with software that is not approved for such use by the manufacturer of the computer equipment. This apparatus requires software to generate...
4087856 Location dependence for assuring the security of system-control operations  
A computer operating system security mechanism employing a non-penetrable hardware means for storing privileged instruction identification data for preventing direct unauthorized access to certain...
3931504 Electronic data processing security system and method  
A system and method for controlling the security of data in a central high speed data processing unit (CPU) by electronically sensing and comparing all operating or control statements coming into...
Matches 551 - 599 out of 599 < 1 2 3 4 5 6 7 8 9 10 11 12