A Pentester's Guide - Part 1 (OSINT - Passive Recon and Discovery of Assets)To kick off this series on offensive security techniques, I am going to begin with what I consider to be the most important aspects of pentesting. Passive Recon and OSINT. Now, do not let the word ‘passive’ fool you. This is no light recon; you can uncover vast amounts of information through passive recon, without ever doing anything intrusive. Define Passive My definition of the word "passive" is
