Computer network security

theft of data by using a packet sniffer

security architecture for the interconnection of open systems

IP firewall and network address translation (NAT) appliance

widely used multi-function Adaptive Security Appliance by Cisco Systems

US military intranet system

in computer networking, monitoring and/or restricting the flow of outbound information

security-oriented coding conventions

Computer networking technique

XML Key Management Specification (XKMS) uses the web services framework to make it easier for developers to secure inter-application communication using public key infrastructure (PKI). XML Key Management Specification is a protocol developed by W3C which describes the distribution and registration of public keys. Services can access an XKMS compliant server in order to receive updated key information for encryption and authentication.

network device that permits data flow in only one direction

conceptual diagrams showing how an asset, or target, might be attacked, often used to describe threats on computer systems and possible attacks to realize those threats

fictional IPv4 header field indicating malicious intent

Honeyd is an open source computer program created by Niels Provos that allows a user to set up and run multiple virtual hosts on a computer network. These virtual hosts can be configured to mimic several different types of servers, allowing the user to simulate an infinite number of computer network configurations. Honeyd is primarily used in the field of computer security.

information security and anti-spam techniques in networking

Form of message tampering