John Chirillo

About the Author John Chirillo, CISSP, ISSAP, ASE, CCDA, CCNA, CCNP, SCSECA, is a Senior Internetworking Engineer at ValCom and the author of several computer security books. John has also achieved certifications in numerous programming languages and is responsible for dozens of published security exploits and alerts throughout numerous listings. He has actively participated in core security developments of various UNIX flavors under the GNU. John can be reached at [email protected] About...See more