Andrew Whitaker, (M.Sc., CISSP, CEI, LPT, ECSA, CHFI, CEH, CCSP, CCNP, CCVP, CCDP, CCNA, CCDA, CCENT, MCSE, MCTS, CNE, A+, Network+, Convergence+, Security+, CTP, EMCPA), is a recognized expert, trainer, and author in the field of penetration testing and security countermeasures. Over the past several years his courses have trained thousands of security professionals throughout the world. His security courses have also caught the attention of The Wall Street Journal, BusinessWeek, San Francisco Chronicle, and others.