Question

Yuri is a skilled computer security expert who attempts to break into the systems belonging to his clients. He has permission from the clients to perform this testing as part of a paid contract. What type of person is Yuri?
a) Cracker
b) White-hat hacker
c) Black-hat hacker
d) Grey-hat hacker

Answer 1

Answer:

b) White-hat hacker

Explanation:

This is also called an ethical hacker. Unlike the other options, a white-hat hacker is a person specialized on computational security which offers services to organizations to test how safe they are from informatic attacks (viruses, theft of information, etc). This is carried out  based on a agreement between the whihte-hat hacker and the client via a contract.