INSIGHTS, NEWS & DISCOVERIES FROM IOACTIVE RESEARCHERS I had the opportunity to play and complete the 2012 Stripe CTF 2.0 this weekend. I would have to say this was one of the most enjoyable CTF's I've played by far. They did an excellent job. I wanted to share with you a detailed write-up of the levels, why they're vulnerable, and how to exploit them. It's interesting to see how multiple people