Who this book is for
This book is written for network security professionals or network administrators, security analysts, system administrators, and quality assurance personnel who are planning to change their profession from network to security. We have kept the language of this book as simple as we can so that any reader can understand it in a much simpler way and can implement security in their environment. This book is also for those who have cleared the CCNA and CCNP certifications and now are planning to advance their career in network security.