I recently spoke for the SNENUG (Southern New England Network Users Group) and gave a short presentation on penetration testing. I introduced the basic concepts, steps, phases, and components of a penetration test. You can download the slides below:
Introduction To Penetration Testing

About the author

Paul Asadoorian is the Founder & CEO of Security Weekly, where the flagship show recently re-titled "Paul's Security Weekly" has been airing for over 8 years. By day he is the Product Evangelist for Tenable Network Security. Paul produces and hosts the various shows here at Security Weekly, all dedicated to providing the latest security news, interviews with the industries finest and technical how-to segments. Paul is also the founder and host of "The Stogie Geeks Show", featuring cigar reviews for cigar enthusiasts.