SPOT+: Secure and Privacy-Preserving Proximity-Tracing Protocol with Efficient Verification over Multiple Contact Information -- Blind side channel on the Elephant LFSR Extended version -- Stacked Ensemble Models Evaluation on DL Based SCA -- Explaining the Use of Cryptographic API in Android Malware -- Explaining the Use of Cryptographic API in Android Malware -- Intrinsic Weaknesses of IDSs to Malicious Adversarial Attacks and their Mitigation -- Compressing Big OLAP Data Cubes in Big Data Analytics Systems: New Paradigms, a Reference Architecture, and Future Research Perspectives.