Book Image

Infosec Strategies and Best Practices

By : Joseph MacMillan
Book Image

Infosec Strategies and Best Practices

By: Joseph MacMillan

Overview of this book

Information security and risk management best practices enable professionals to plan, implement, measure, and test their organization's systems and ensure that they're adequately protected against threats. The book starts by helping you to understand the core principles of information security, why risk management is important, and how you can drive information security governance. You'll then explore methods for implementing security controls to achieve the organization's information security goals. As you make progress, you'll get to grips with design principles that can be utilized along with methods to assess and mitigate architectural vulnerabilities. The book will also help you to discover best practices for designing secure network architectures and controlling and managing third-party identity services. Finally, you will learn about designing and managing security testing processes, along with ways in which you can improve software security. By the end of this infosec book, you'll have learned how to make your organization less vulnerable to threats and reduce the likelihood and impact of exploitation. As a result, you will be able to make an impactful change in your organization toward a higher level of information security.
Table of Contents (13 chapters)
Section 1: Information Security Risk Management and Governance
Section 2: Closing the Gap: How to Protect the Organization
Section 3: Operationalizing Information Security

Strategies for protecting network security

Now that we have gone through the TCP/IP suite and OSI model, network components and protocols, network devices and applications, some of the attacks, and how to defend against and detect those attacks, I would like to discuss some strategies you can use to actually protect your network and prevent malicious actors from having a field day in your estate.

Creating a policy

What we will want to do, in terms of a best practice, is define our strategy as a network security policy. This is a document that describes the rules that your organization will need to abide by in the realm of how the organization's environment is designed, maintained, protected, revised, and deprovisioned.

This document doesn't need to be complex, but can be as detailed as required to ensure the organization's network is effectively protected. How passwords or email attachments are handled in-transit can be included in this policy, or preferred...