An Improved Bit Masking Technique to Enhance Covert Channel Attacks in Everyday IT Systems.- Security and Complexity of a New Variant of the McEliece Cryptosystem using Non-linear Convolutional Codes.- A Secure Distributed Hash-Based Encryption suited for Big Data Systems.- An Assurance Framework and Process for Hybrid Systems.- PakeMail: Authentication and Key Management in Decentralized Secure Email and Messaging via PAKE.- Practically Efficient...