What is the term for delaying or blocking the flow of information in a network?

The correct term for delaying or blocking the flow of information in a network is Denial of Service. This refers specifically to a type of cyber-attack designed to make a network resource unavailable to its intended users. In a Denial of Service (DoS) attack, the attacker overwhelms the target with excessive traffic or sends malformed requests, which can effectively slow down or completely disrupt the normal functioning of the network, preventing legitimate users from accessing the services they need.

Network Interruption and Cyber Risk Assessment are related concepts, but they do not specifically define the action of blocking or delaying information flow in the context of an attack. A Network Interruption could refer to any disruption in service, whether intentional or accidental, but does not capture the malicious intent and method of a DoS attack. A Data Breach involves unauthorized access to data but does not inherently involve blocking or delaying the flow of information. Thus, Denial of Service is the most precise term for this phenomenon.