Book Image

Certified Information Security Manager Exam Prep Guide

By : Hemang Doshi
Book Image

Certified Information Security Manager Exam Prep Guide

By: Hemang Doshi

Overview of this book

With cyber threats on the rise, IT professionals are now choosing cybersecurity as the next step to boost their career, and holding the relevant certification can prove to be a game-changer in this competitive market. CISM is one of the top-paying and most sought-after certifications by employers. This CISM Certification Guide comprises comprehensive self-study exam content for those who want to achieve CISM certification on the first attempt. This book is a great resource for information security leaders with a pragmatic approach to challenges related to real-world case scenarios. You'll learn about the practical aspects of information security governance and information security risk management. As you advance through the chapters, you'll get to grips with information security program development and management. The book will also help you to gain a clear understanding of the procedural aspects of information security incident management. By the end of this CISM exam book, you'll have covered everything needed to pass the CISM certification exam and have a handy, on-the-job desktop reference guide.
Table of Contents (17 chapters)
1
Section 1: Information Security Governance
4
Section 2: Information Risk Management
8
Section 3: Information Security Program Development Management
13
Section 4: Information Security Incident Management

Virtual private networks

A virtual private network (VPN) is used to extend a private network through the use of the internet in a secure manner. It provides a platform for remote users to connect to the organization's private network.

With the help of VPN technology, remote users and branch offices can connect the resources and applications hosted in the private network of the organization. For enabling a VPN, a virtual point-to-point connection is established by way of dedicated circuits of tunneling protocols.

VPN technology ensures the safeguarding of critical data traveling over the internet.

VPNs – technical aspects

A VPN provides a platform to hide the information from a sniffer on the internet. Instead of using expensive, dedicated leased lines, a VPN relies on public IP infrastructure, which is cost-efficient. To protect the data, a VPN encrypts the packets with IP Security (IPSec) standards.

A VPN is enabled either through IPSec tunnel mode...