Question

A type of attack where the intruder observes authentication secrets such as a combination or pin:

Answer 1

Answer:

Shoulder surfing is the correct answer.

Explanation:

Talking about computer security, the term shoulder surfing refers to a form of social engineering technique that is used to obtain information (like the one mentioned in the question: personal identification numbers, passwords, etcetera) by looking over the victim's shoulder.

Answer 2

Shoulder to get personal information