This book will address tasks, such as penetrating networks, exploiting systems, breaking into computers, compromising routers, among other cyber security issues. The purpose of this material is strictly for educational reasons as the demand for cyber security personnel increases due to the increasing challenges of the contemporary need for information technology application and use. The contents and practical lab exercises in this text are substantial supplementary materials geared toward Cyber Security, Ethical Hacking, & Penetration Testing professionals for their careers and for the following Exams preparation: CSA+ - CompTIA Cybersecurity Analyst CISSP - Certified Information Systems Security Professional CISM - Certified Information Security Manager GSEC - GIAC Security Essentials Certification CRISC - Certified in Risk and Information Systems Control CEH - Certified Ethical Hacker ECSA - EC-Council Certified Security Analyst GPEN - GIAC Penetration Tester SSCP - Systems Security Certified Practitioner