The OWASP Hackademic Challenges Project is an open source project that helps you test your knowledge on web application security. You can use it to actually attack web applications in a realistic but also controlable and safe environment. The competition starts on 21st April and will run for 4 weeks until 15th May. Each week a series of challenges are going to be released according to the schedule below: Week 1 (21st April) Week 2 (28th April)Week 3 (5th May)
Source: https://thehackernews.com/2011/04/owasp-hackademic-challenges-project.html