Table of Contents: [Article 13] Gatling: Automatic Performance Attack Discovery in Large-Scale Distributed Systems (Hyojeong Lee, Jeff Seibert, Dylan Fistrovic, Charles Killian, Cristina Nita-Rotaru) [Article 14] Picture Gesture Authentication: Empirical Analysis, Automated Attacks, and Scheme Evaluation (Ziming Zhao, Gail-Joon Ahn, Hongxin Hu) [Article 15] Dynamic Provable Data Possession …