Many new project fields look simple from a distance because we only see the outputs and interfaces. But corner cases, bad data, users with special needs, regulations—getting inside a new knowledge domain and teasing out the special cases and unhappy paths is a skill. This is why business analysts are so important.

One way to address poorly defined product backlog items is to spend time refining the items as you go. Refining the backlog continuously helps the team deliver consistently and can lead to shorter planning meetings at the start of the sprint. It can even help improve reliability, velocity, and the quality of work.

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.