This book includes extended and revised versions of selected papers from the 7th and 8th edition of the International Conference on Information Systems Security and Privacy (ICISSP 2021 and ICISSP 2022). ICISSP 2021 and 2022 was held as an online event due to the Covid-19 pandemic, from February 1113, 2021 and February 911, 2022. respectively.
The 6 full papers included in this book were carefully reviewed and selected from 217 submissions. The ICISSP 2021 and 2022 book contains extended and revised version of proceedings papers dealing with information systems security and privacy.

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ICScope: Detecting and Measuring Vulnerable ICS Devices Exposed on the Internet.- Zero Update Encryption Adjustment on Encrypted Database Queries.- Evaluating Consumer Understanding and Awareness of Connected and Autonomous Vehicle Data Privacy.- Improving Data Security and Privacy for Ontology based Data Access.- Experimentally Obtained Differential-linear Distinguishers for Permutations of ASCON and DryGASCON.- A Game Theoretic Approach to the Design of Mitigation Strategies for Generic Ransomware.