This book constitutes the refereed proceedings of seven International Workshops which were held in conjunction with the 27th European Symposium on Research in Computer Security, ESORICS 2022, held in hybrid mode, in Copenhagen, Denmark, during September 26-30, 2022. The 39 papers included in these proceedings stem from the following workshops: 8th Workshop on the Security of Industrial Control Systems and of Cyber-Physical Systems, CyberICPS 2022, which accepted 8 papers from 15 submissions; 6th International Workshop on Security and Privacy Requirements Engineering, SECPRE 2022, which accepted 2 papers from 5 submissions; Second Workshop on Security, Privacy, Organizations, and Systems Engineering, SPOSE 2022, which accepted 4 full papers out of 13 submissions; Third Cyber-Physical Security for Critical Infrastructures Protection, CPS4CIP 2022, which accepted 9 full and 1 short paper out of 19 submissions; Second International Workshop on Cyber Defence Technologies and Secure Communications at the Network Edge, CDT & SECOMANE 2022, which accepted 5 papers out of 8 submissions; First International Workshop on Election Infrastructure Security, EIS 2022, which accepted 5 papers out of 10 submissions; and First International Workshop on System Security Assurance, SecAssure 2022, which accepted 5 papers out of 10 submissions. Chapter(s) “Measuring the Adoption of TLS Encrypted Client Hello Extension and Its Forebear in the Wild” is/are available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.

This two-volume set LNCS 14398 and LNCS 14399 constitutes the refereed proceedings of eleven International Workshops which were held in conjunction with the 28th European Symposium on Research in Computer Security, ESORICS 2023, in The Hague, The Netherlands, during September 25-29, 2023. The 22 regular papers included in these proceedings stem from the following workshops: 9th International Workshop on the Security of Industrial Control Systems and of Cyber-Physical Systems, CyberICPS 2023, which accepted 8 papers from 18 submissions; 18th International Workshop on Data Privacy Management, DPM 2023, which accepted 11 papers from 18 submissions; 7th International Workshop on Cryptocurrencies and Blockchain Technology, CBT 2023, which accepted 6 papers from 20 submissions; 7th International Workshop on Security and Privacy Requirements Engineering, SECPRE 2023, which accepted 4 papers from 7 submissions. 4th International Workshop on Cyber-Physical Security for Critical Infrastructures Protection, CSPS4CIP 2023, which accepted 11 papers from 15 submissions. 6th International Workshop on Attacks and Defenses for Internet-of-Things, ADIoT 2023, which accepted 6 papers from 10 submissions; Second International Workshop on System Security Assurance, SecAssure 2023, which accepted 5 papers from 8 submissions; First International Workshop on Attacks and Software Protection, WASP 2023, which accepted 7 papers from 13 submissions International Workshop on Transparency, Accountability and User Control for a Responsible Internet, TAURIN 2023, which accepted 3 papers from 4 submissions; International Workshop on Private, Secure, and Trustworthy AI, PriST-AI 2023, which accepted 4 papers from 8 submissions; International Workshop on Security and Artificial Intelligence, SECAI 2023, which accepted 5 papers from 10 submissions.

This two-volume set LNCS 14398 and LNCS 14399 constitutes the refereed proceedings of eleven International Workshops which were held in conjunction with the 28th European Symposium on Research in Computer Security, ESORICS 2023, in The Hague, The Netherlands, during September 25-29, 2023. The 22 regular papers included in these proceedings stem from the following workshops: 9th International Workshop on the Security of Industrial Control Systems and of Cyber-Physical Systems, CyberICPS 2023, which accepted 8 papers from 18 submissions; 18th International Workshop on Data Privacy Management, DPM 2023, which accepted 11 papers from 18 submissions; 7th International Workshop on Cryptocurrencies and Blockchain Technology, CBT 2023, which accepted 6 papers from 20 submissions; 7th International Workshop on Security and Privacy Requirements Engineering, SECPRE 2023, which accepted 4 papers from 7 submissions. 4th International Workshop on Cyber-Physical Security for Critical Infrastructures Protection, CSPS4CIP 2023, which accepted 11 papers from 15 submissions. 6th International Workshop on Attacks and Defenses for Internet-of-Things, ADIoT 2023, which accepted 6 papers from 10 submissions; Second International Workshop on System Security Assurance, SecAssure 2023, which accepted 5 papers from 8 submissions; First International Workshop on Attacks and Software Protection, WASP 2023, which accepted 7 papers from 13 submissions International Workshop on Transparency, Accountability and User Control for a Responsible Internet, TAURIN 2023, which accepted 3 papers from 4 submissions; International Workshop on Private, Secure, and Trustworthy AI, PriST-AI 2023, which accepted 4 papers from 8 submissions; International Workshop on Security and Artificial Intelligence, SECAI 2023, which accepted 5 papers from 10 submissions.

This book constitutes the proceedings of the 19th International Workshop on Security and Trust Management, STM 2023, co-located with the 28th European Symposium on Research in Computer Security, ESORICS 2023, held in The Hague, The Netherlands, during September 28th, 2023 The 5 full papers together with 4 short papers included in this volume were carefully reviewed and selected from 15 submissions. The workshop presents papers with topics such as security and privacy, trust models, security services, authentication, identity management, systems security, distributed systems security, privacy-preserving protocols.