Question

how can a telecommunication engineer be a hacker?

Answer 1

$\huge\mathfrak\purple{hello!!}$

No idea.

But a hacker;

• Computer hackers are unauthorized users who break into computer systems in order to steal, change or destroy information, often by installing dangerous malware without your knowledge or consent. Their clever tactics and detailed technical knowledge help them access the information you really don't want them to have.

Answer 2

Hacker is not what comes into our mind first.

Hacker is someone who is a certified personnel and has a very high professional job.

Ethical hacking is the name of the exam which you have to pass to become a certified hacker.