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)

Generating QR codes

A Quick Response (QR) code is a two-dimensional barcode. It stores more information than a traditional one-dimensional line barcode. They were originally developed in the Japanese automotive industry, but have been adopted by other industries. QR codes were approved as an international standard by ISO in 2000. The latest specification can be found at https://www.iso.org/standard/62021.html.

QR codes can be found on some billboards, posters, handouts, and other advertising material. QR codes are also used frequently in transactions. You might see QR codes on train tickets or when sending and receiving cryptocurrency such as Bitcoin. Some authentication services such as two-factor authentication utilize QR codes for convenience.

QR codes are good for social engineering because a human can't tell just by looking at a QR code if it is malicious or not. Often...