Book Image

Security with Go

By : John Daniel Leon
Book Image

Security with Go

By: John Daniel Leon

Overview of this book

Go is becoming more and more popular as a language for security experts. Its wide use in server and cloud environments, its speed and ease of use, and its evident capabilities for data analysis, have made it a prime choice for developers who need to think about security. Security with Go is the first Golang security book, and it is useful for both blue team and red team applications. With this book, you will learn how to write secure software, monitor your systems, secure your data, attack systems, and extract information. Defensive topics include cryptography, forensics, packet capturing, and building secure web applications. Offensive topics include brute force, port scanning, packet injection, web scraping, social engineering, and post exploitation techniques.
Table of Contents (15 chapters)

Web scraping fundamentals

Web scraping, as used in this book, is the process of extracting information from an HTML-structured page that is intended to be viewed by a human and not consumed programmatically. Some services provide an API that is efficient for programmatic use, but some websites only provide their information in HTML pages. These web scraping examples demonstrate various ways of extracting information from HTML. We'll look at basic string matching, then regular expressions, and then a powerful package named goquery, for web scraping.

Finding strings in HTTP responses with the strings package

To get started, let's look at making a basic HTTP request and searching for a string using the standard library...