Which of the following attacks primarily targets insecure networks?

Impersonation attacks involve pretending to be someone else to deceive a victim, typically in a direct communication context. While impersonation can occur in digital environments, it does not inherently focus on exploiting insecure networks but rather on manipulating trust relationships, making it less relevant to this question.

Watering hole attacks target specific groups by compromising websites they are likely to visit, infecting users with malware upon access. Although these attacks may involve network vulnerabilities, they do not specifically target insecure networks like evil twin attacks do; instead, they focus on user behavior and specific online locations.

Pretexting is a form of social engineering where an attacker creates a fabricated scenario to steal sensitive information. This method relies more on psychological manipulation than on exploiting network vulnerabilities, differentiating it from attacks specifically aimed at insecure networks.