Mustafa Altınkaynak is a security researcher who specializes in cyber intelligence and offensive attack. As an avid educator, Mustafa has instructed numerous of students at many venues around Turkey, including government, universities, corporations, and conferences such as Academic. He is the author of the book 'Practical Cyber Security and Hacking', which is taught as a course book in various universities. Mustafa is currently working as a penetration testing specialist in Barikat Information Security, one of the industry leaders in Turkey.