Which of the following types of social engineering attacks sends an unsolicited text message to...

Comprehensive and Detailed Explanation From Exact Extract:

Smishing (SMS phishing) is a type of social engineering attack where attackers send fraudulent text messages to trick users into revealing sensitive information or downloading malware. These messages often impersonate banks, delivery services, or official institutions to lure the victim into clicking malicious links.

A. Impersonation is an in-person or voice-based tactic.

B. Vishing refers to voice phishing over phone calls.

C. Spear phishing is a targeted email-based phishing method.