Ridge-based differential power analysis techniques and side-channel attacks on intermediate states with no partial key guessing are discussed. Topic 1: Ridge-Based Profiled Differential Power Analysis Authors: Weijia Wang, Yu Yu, François-Xavier Standaert, Dawu Gu, Sen Xu and Chi Zhang Topic 2: My Traces Learn What You Did in the Dark: Recovering Secret Signals without Key Guesses Authors: Si Gao, Hua Chen, Wenling Wu, Limin Fan, Weiqiong Cao and Xiangliang Ma