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This book constitutes the refereed proceedings of the 29th Annual IFIP WG 11.3 International Working Conference on Data and Applications Security and Privacy, DBSec 2015, held in Fairfax, VA, USA, in July 2015. The 18 revised full papers and 6 short papers presented were carefully reviewed and selected from 45 submissions. The papers are organized in the following topical sections: data anonymization and computation; access control and authorization; user privacy; authentication and information integration; privacy and trust; access control and usage policies; network and internet security; and information flow and inference.

Computer Science. --- Systems and Data Security. --- Database Management. --- Management of Computing and Information Systems. --- Information Systems Applications (incl. Internet). --- Computer Communication Networks. --- Computer science. --- Data protection. --- Database management. --- Information Systems. --- Informatique --- Réseaux d'ordinateurs --- Protection de l'information (Informatique) --- Bases de données --- Gestion --- Computer Science --- Engineering & Applied Sciences --- Information storage and retrieval systems --- Systèmes d'information --- Computer communication systems. --- Computer security. --- Management information systems. --- Computer-based information systems --- EIS (Information systems) --- Executive information systems --- MIS (Information systems) --- Sociotechnical systems --- Information resources management --- Management --- Data base management --- Data services (Database management) --- Database management services --- DBMS (Computer science) --- Generalized data management systems --- Services, Database management --- Systems, Database management --- Systems, Generalized database management --- Electronic data processing --- Computer privacy --- Computer system security --- Computer systems --- Computers --- Cyber security --- Cybersecurity --- Electronic digital computers --- Protection of computer systems --- Security of computer systems --- Data protection --- Security systems --- Hacking --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Electronic systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Network computers --- Informatics --- Science --- Communication systems --- Protection --- Security measures --- Distributed processing --- Computer security --- Computer networks --- Application software. --- Application computer programs --- Application computer software --- Applications software --- Apps (Computer software) --- Computer software

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The present book includes extended and revised versions of a set of selected papers presented at the 18th International Joint Conference on e-Business and Telecommunications, ICETE 2021, held as an online web-based event (due to the COVID-19 pandemic) in July 2021. The 17 full papers included in this book were carefully reviewed and selected from 197 submissions. They were organized in topical sections as follows: e-Business and security and cryptography.

Electronic commerce --- Telecommunication systems --- Computer networks. --- Application software. --- Data protection. --- Computer networks --- Cryptography. --- Data encryption (Computer science). --- Computer systems. --- Computer Communication Networks. --- Computer and Information Systems Applications. --- Data and Information Security. --- Mobile and Network Security. --- Cryptology. --- Computer System Implementation. --- Security measures. --- ADP systems (Computer systems) --- Computing systems --- Systems, Computer --- Electronic systems --- Cyberinfrastructure --- Data encoding (Computer science) --- Encryption of data (Computer science) --- Computer security --- Cryptography --- Cryptanalysis --- Cryptology --- Secret writing --- Steganography --- Signs and symbols --- Symbolism --- Writing --- Ciphers --- Data encryption (Computer science) --- Computer network security --- Network security, Computer --- Security of computer networks --- Data governance --- Data regulation --- Personal data protection --- Protection, Data --- Electronic data processing --- Application computer programs --- Application computer software --- Applications software --- Apps (Computer software) --- Computer software --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Information networks --- Telecommunication --- Network computers --- Distributed processing

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Privacy requirements have an increasing impact on the realization of modern applications. Commercial and legal regulations demand that privacy guarantees be provided whenever sensitive information is stored, processed, or communicated to external parties. Current approaches encrypt sensitive data, thus reducing query execution efficiency and preventing selective information release. Preserving Privacy in Data Outsourcing presents a comprehensive approach for protecting highly sensitive information when it is stored on systems that are not under the data owner's control. The approach illustrated combines access control and encryption, enforcing access control via structured encryption. This solution, coupled with efficient algorithms for key derivation and distribution, provides efficient and secure authorization management on outsourced data, allowing the data owner to outsource not only the data but the security policy itself. To reduce the amount of data to be encrypted the book also investigates data fragmentation as a possible way to protect privacy of data associations and provide fragmentation as a complementary means for protecting privacy: associations broken by fragmentation will be visible only to users authorized (by knowing the proper key) to join fragments. The book finally investigates the problem of executing queries over possible data distributed at different servers and which must be controlled to ensure sensitive information and sensitive associations be visible only to parties authorized for that. Case Studies are provided throughout the book. Privacy, data mining, data protection, data outsourcing, electronic commerce, machine learning professionals and others working in these related fields will find this book a valuable asset, as well as primary associations such as ACM, IEEE and Management Science. This book is also suitable for advanced level students and researchers concentrating on computer science as a secondary text or reference book.

Computers -- Access control. --- Contracting out. --- Data encryption (Computer science). --- Data protection. --- Database security. --- Data protection --- Electronic data processing departments --- Computer networks --- Engineering & Applied Sciences --- Commerce --- Business & Economics --- Marketing & Sales --- Computer Science --- Contracting out --- Security measures --- Computer security. --- Computer privacy --- Computer system security --- Computer systems --- Computers --- Cyber security --- Cybersecurity --- Electronic digital computers --- Security of computer systems --- Protection of computer systems --- Protection --- Computer science. --- Data structures (Computer science). --- Database management. --- Information storage and retrieval. --- Computer Science. --- Systems and Data Security. --- Data Encryption. --- Data Structures, Cryptology and Information Theory. --- Information Storage and Retrieval. --- Database Management. --- Security systems --- Hacking --- Data base management --- Data services (Database management) --- Database management services --- DBMS (Computer science) --- Generalized data management systems --- Services, Database management --- Systems, Database management --- Systems, Generalized database management --- Electronic data processing --- Data encoding (Computer science) --- Encryption of data (Computer science) --- Computer security --- Cryptography --- Information structures (Computer science) --- Structures, Data (Computer science) --- Structures, Information (Computer science) --- File organization (Computer science) --- Abstract data types (Computer science) --- Informatics --- Science --- Data structures (Computer scienc. --- Information storage and retrieva. --- Cryptology. --- Data Structures and Information Theory. --- Information storage and retrieval systems. --- Automatic data storage --- Automatic information retrieval --- Automation in documentation --- Computer-based information systems --- Data processing systems --- Data storage and retrieval systems --- Discovery systems, Information --- Information discovery systems --- Information processing systems --- Information retrieval systems --- Machine data storage and retrieval --- Mechanized information storage and retrieval systems --- Electronic information resources --- Data libraries --- Digital libraries --- Information organization --- Information retrieval

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This book constitutes the thoroughly refereed post-conference proceedings of the 8th International Workshop on Security and Trust Management, STM 2012, held in Pisa, Italy, in September 2012 - in conjunction with the 17th European Symposium Research in Computer Security (ESORICS 2012). The 20 revised full papers were carefully reviewed and selected from 57 submissions. The papers are organized into topical sections on policy enforcement and monitoring; access control; trust, reputation, and privacy; distributed systems and physical security; authentication and security policies.

Computer science. --- Data protection. --- Data encryption (Computer science). --- Information Systems. --- Computer Science. --- Systems and Data Security. --- Management of Computing and Information Systems. --- Data Encryption. --- Computer Science, general. --- Engineering & Applied Sciences --- Computer Science --- Data encoding (Computer science) --- Encryption of data (Computer science) --- Data governance --- Data regulation --- Personal data protection --- Protection, Data --- Informatics --- Computer security. --- Management information systems. --- Data encryption (Computer science) --- Science --- Computer security --- Cryptography --- Electronic data processing --- Cryptology. --- Computer privacy --- Computer system security --- Computer systems --- Computers --- Cyber security --- Cybersecurity --- Electronic digital computers --- Protection of computer systems --- Security of computer systems --- Data protection --- Security systems --- Hacking --- Protection --- Security measures --- Computer-based information systems --- EIS (Information systems) --- Executive information systems --- MIS (Information systems) --- Sociotechnical systems --- Information resources management --- Management --- Communication systems --- Seguridad informática

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This Festschrift is in honor of Sushil Jajodia, Professor in the George Mason University, USA, on the occasion of his 70th birthday. This book contains papers written in honor of Sushil Jajodia, of his vision and his achievements. Sushil has sustained a highly active research agenda spanning several important areas in computer security and privacy, and established himself as a leader in the security research community through unique scholarship and service. He has extraordinarily impacted the scientific and academic community, opening and pioneering new directions of research, and significantly influencing the research and development of security solutions worldwide. Also, his excellent record of research funding shows his commitment to sponsored research and the practical impact of his work. The research areas presented in this Festschrift include membrane computing, spiking neural networks, phylogenetic networks, ant colonies optimization, work bench for bio-computing, reaction systems, entropy of computation, rewriting systems, and insertion-deletion systems.

Computer security. --- Data encryption (Computer science). --- Computer Communication Networks. --- Computer science. --- Systems and Data Security. --- Cryptology. --- Computers and Society. --- Information Systems Applications (incl. Internet). --- Informatics --- Science --- Data encoding (Computer science) --- Encryption of data (Computer science) --- Computer security --- Cryptography --- Computer privacy --- Computer system security --- Computer systems --- Computers --- Cyber security --- Cybersecurity --- Electronic digital computers --- Protection of computer systems --- Security of computer systems --- Data protection --- Security systems --- Hacking --- Protection --- Security measures --- Computer communication systems. --- Computers and civilization. --- Application software. --- Application computer programs --- Application computer software --- Applications software --- Apps (Computer software) --- Computer software --- Civilization and computers --- Civilization --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Electronic systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Electronic data processing --- Network computers --- Distributed processing