Cracking the infosec interview for fun and profit – how not to suck and get $$ hired $$






There are many people with different backgrounds approaching the world of Information Security and trying to land a job in this field:  software developers, sysadmins, network engineers, IT technicians, even people whose formal education and previous job don’t have anything to do with Infosec. Nowadays there aren’t strict requirements in terms of education for being an Information Security Professional, everyone …






Code elements to look for when automating exploit generation






When you test the security of an application (let’s say for finding a buffer overflow vulnerability) you can have a variety of tools at your disposal: Static code analysers: tools that allow the analysis of a program without actually executing it. They can check for Syntax errors, coding implementations that don’t adhere to the standard guidelines, security vulnerabilities. They are prone to a high number of false positive and false negative results. Normally they analyze …






Best books, tutorials and courses to learn about exploit development






The best resources for learning exploit development Exploit development is considered to be the climax in the learning path of an ethical hacker or security professional. It is strongly advisable to have mastered the basics before delving into this topic. Exploit development is hard and it’s not something you learn at school or university (usually), not something any of your …






Penetration testing course: 0x02.2 Hexadecimal Numeral System






In the previous article we saw how binary numbers are represented and how to convert from decimal to binary and vice versa, finally how to perform operations like addition, substraction, multiplication, division and bitwise operations between binary numbers. In this lesson we’ll talk about the hexadecimal system and why it is important for computer science in general. DEFINITION In mathematics …






Penetration testing course: 0x02.1 Fundamentals of binary arithmetic






Any information processed by a computer is stored in binary format so it is fundamental that anyone is familiar with this numeral system. DECIMAL SYSTEM When we count we normally use the decimal system (base 10). Ten is the number which is the count of fingers and thumbs on both hands (or toes on the feet). Positional decimal systems include a …






Penetration testing course: 0x01 Introduction






I often receive messages from people asking me how to become a hacker, how to hack a website or how to become a professional penetration tester. I usually reply case by case if I’m free and if I feel the person is truly interested in the field and he’s not trying to do some illegal activities (often without the minimum …






Hardware assisted penetration testing






Penetration testing or pentesting is the practice of attacking your own or your clients’ IT systems in the same way a hacker would to identify security holes. Prior to start with the penetration testing you normally need to clearly define the scope and get a written consent from the client, in other words you need a pre-engagement contract signed by …