The advantage of using Rails is its agility; it makes developing your web applications easy and fast. The disadvantage is that it can leave holes in your security if you are not aware of common vulnerabilities. It’s a nerve-wracking and unfortunate fact that there are plenty of malicious people lurking on the Web. As a Rails developer, it is essential that you understand how to assess risk and protect your data and your users.

Security on Rails uses established security principles to teach you how to write more secure software, defend your applications from common threats, and encrypt your data. We’ll give you an example of a hacking exploit, and explore how to fix the weaknesses in an application.