What type of malware is triggered by a specific event, such as a date or action?

A logic bomb is a type of malware specifically designed to trigger malicious actions when certain conditions are met, often related to a specific event such as a date or an action taken by a user. For example, a logic bomb might be programmed to execute a harmful payload if a user opens a particular file or if the system date reaches a preset value, such as a certain holiday. This behavior distinguishes it from other types of malware that do not rely on such triggers for activation.

Botnets, on the other hand, are networks of compromised computers controlled by a single attacker, primarily used for sending spam or conducting denial of service attacks, without the need for a specific event. Worms are self-replicating malware that spread through networks, propagating automatically without the need for a triggering event. Spyware is designed to gather information from a user’s system without their knowledge, focusing on surveillance rather than being event-driven. Each of these types of malware has distinct characteristics that differentiate them from a logic bomb, underscoring why the logic bomb is the correct answer for this particular question.