Performing a series of security tests before deployment of your application has become paramount. But that doesn't have to mean a suite of costly tools. Plenty of open source security testing tools have become viable options. Here's why you should consider open source tools for your different types of security testing.

Many software organizations are overwhelmed with a laundry list of vulnerabilities. They often have no idea where to start, how to determine prioritization, and whether or not those vulnerabilities accurately represent the threats to our applications, users, and data. Threat modeling is a simple yet effective solution.

If you want feedback from your users, sometimes the best technique for gathering information is staying silent. After someone responds to your question, instead of continuing the conversation, just pause. This encourages the other person to keep talking, and that's when you may get the most valuable information.