Hackers Type: White Hat (Ethical Hackers) - Follow to get more information.
White Hat hackers
White Hat hackers are also known as Ethical Hackers. White Hat hackers are the good guys of the hacker world. They’ll help you remove a virus or PenTest a company. Most White Hat hackers hold a college degree in IT security or computer science and must be certified to pursue a career in hacking. The most popular certification is the CEH (Certified Ethical Hacker) from the EC-Council.
They are not a dangerious hackers :) they always trying to help.