This book constitutes the proceedings of the 24th International Conference on Security and Management, SAM 2025, the 24th International Conference on Wireless Networks, ICWN 2025, and the 23rd International Conference on Software Engineering Research and Practice, SERP 2025. They were held as part of the 2025 World Congress in Computer Science, Computer Engineering, and Applied Computing, CSCE 2025, which took place in Las Vegas, NV, USA, during July 21-24, 2025. The SAM 2025 Conference received a total of 186 submissions, of which 38 papers were accepted. The ICWN 2025 Conference received 33 submissions, of which 8 papers were accepted. The SERP 2025 Conference received 49 submissions, of which 8 papers were accepted. This volume includes 37 of the accepted papers from SAM 2025, ICWN 2025, and SERP 2025. The papers were organized in topical sections as follows: Cybersecurity - Defensive and Offensive Strategies, and Related Issues; Privacy Preserving, Authentication, and Blockchain Methods and Applications; Security Management, Communication Infrastructures, and Applications; 24th International Conference on Wireless Networks, ICWN 2025; 23rd International Conference on Software Engineering Research and Practice, SERP 2025; and Poster Research Papers.