Someone (from outside) who tests security issues for bugs before launching a system or application, and who is not a part of that organization or company are ______
(a) Black Hat hacker
(b) External penetration tester
(c) Blue Hat hacker
(d) White Hat Hacker
I had been asked this question in an interview.
Asked question is from Ethical Hacking in division Introduction to Ethical Hacking of Cyber Security