Give the similarities between network sniffing and wiretapping ? Why are they considered as passive threats ?

How do you feel about the similarities between network sniffing and wiretapping?What makes them passively dangerous?

When employed as part of a larger electronic deception, phishing may be combined with spoofing and other techniques. The use of phishing by itself is also possible. To what extent may fraudulent activities like phishing and spoofing be avoided by preventive measures?

Which term is more suitable given the similarities between network sniffing and wiretapping?   What are the characteristics that make them passive threats?