Author, Consultant, Computer Expert
I teach classes through my company CEC-Security LLC which is an approved vendor by the U.S. Department of Homeland Security National Initiative For Cyber Security Careers and Studies (NICCS).
I also have been putting some educational videos on YouTube you may find of interest. https://www.youtube.com/user/chuckeasttom/
Several students requested I create a blog where they can exchange study tips. Here it is
Online ClassesProfessional Penetration Tester Exam
The following are some basic tutorials I thought you might find useful.
Software Testing Notes
Some basic source code
Chuck Easttom's Home Page