CompTIA PenTest+ PT0-002 Practice Question

Enumeration involves the discovery of hosts, services, domains, users, and other resources on a network. Identifying valid usernames falls directly under the category of user enumeration, which is a specific type of enumeration activity aimed at gathering user-related information from a target system. This information can be important for subsequent phases of a penetration test, including crafting user-specific attacks or social engineering efforts.