Zenmap is the GUI for the very popular free port scanner Nmap. It comes pre loaded with 10 different scan types which we will take closer look at them in this article. Some of the scan types are kind of obvious, however they may not be to everyone.
Twitter – @chrisadale
I'm Chris Dale from Norway, founder and principal consultant at River Security (https://riversecurity.eu/). Along with my security expertise, I have a background from system development and application management. Having a vast and broad experience in IT certainly help a great deal when working penetration tests and incidents.
I am an open, sharing and engaging person to be around, some even think I'm funny. I am usually enthusiastic and motivating when I work, and usually positive and optimistic about the general problems I encounter. I am passionate about security, both IT and physical security, which is one of the reasons I do a lot of public speaking at different events such as classes, conferences and workshops.
Driven by mottos such as "Magic is just science we don't understand yet" and "Think bad, do good", I attack today's security challenges with eagerness and enthusiasm. I consider myself a pragmatic person, with the ability to think outside the box, keeping the business in focus.
I also teach for SANS. My primary class I am teaching is Hacking Techniques, Exploits & Incident Handling. This course prepares you for the GIAC Certification in Incident Handling (GCIH). I find it extremely motivating and fun to teach others the art of security and hacking, and I often find that my passion and enthusiasm rubs off on my students.
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