Book Image

Cybersecurity - Attack and Defense Strategies

By : Yuri Diogenes, Dr. Erdal Ozkaya
Book Image

Cybersecurity - Attack and Defense Strategies

By: Yuri Diogenes, Dr. Erdal Ozkaya

Overview of this book

The book will start talking about the security posture before moving to Red Team tactics, where you will learn the basic syntax for the Windows and Linux tools that are commonly used to perform the necessary operations. You will also gain hands-on experience of using new Red Team techniques with powerful tools such as python and PowerShell, which will enable you to discover vulnerabilities in your system and how to exploit them. Moving on, you will learn how a system is usually compromised by adversaries, and how they hack user's identity, and the various tools used by the Red Team to find vulnerabilities in a system. In the next section, you will learn about the defense strategies followed by the Blue Team to enhance the overall security of a system. You will also learn about an in-depth strategy to ensure that there are security controls in each network layer, and how you can carry out the recovery process of a compromised system. Finally, you will learn how to create a vulnerability management strategy and the different techniques for manual log analysis.
Table of Contents (22 chapters)
Title Page
Packt Upsell
Contributors
Preface
Index

Phishing


The previous chapter discussed phishing as an external reconnaissance technique used to obtain data from users in an organization. It was categorized as a social engineering method of reconnaissance. Phishing can, however, be used in two ways: it can be the precursor to an attack or as an attack itself. As a reconnaissance attack, the hackers are mostly interested in getting information from users. As was discussed, they might disguise themselves as a trustworthy third-party organization, such as a bank, and simply trick users into giving out secretive information. They might also try to take advantage of a user's greed, emotions, fears, obsessions, and carelessness. However, when phishing is used as an actual attack to compromise a system, the phishing emails come carrying some payloads. Hackers may use attachments or links in the emails to compromise a user's computer. When the attack is done via attachments, users may be enticed into downloading an attached file that may turn...