MiTM and MiTB attacks

Question 1

What is a MiTM attacks?

Answer 1

A hacker gets in between a user and server communications and getting infomation

Question 2

What is a MiTB attack?

Answer 2

Where the hackers gets the ability to send a malicious payload to a user through a web browser and then sends html script attack for PIP from the user. Basically hi-jacking web browser to inject malicious payloads