In today’s world, information is one of the most valuable resources, and the ability to process it becomes especially important in the process of training specialists of various profiles, including specialists in the field of information security. OSINT (Open Source Intelligence) is a technology for collecting and analyzing information about a person, organization, event or phenomenon from open sources. This powerful tool for the effective processing of open data is of particular interest for the formation of vocational competencies of students studying in the direction of training 10.03.01 “Information Security”.The authors of the article explore and test the principles of the case method as an effective method of teaching OSINT technologies. The case method, or the method of situational analysis, involves solving real-life problem situations and practical examples for deep understanding and mastering of the material. The article presents in detail specific cases on OSINT that can be used to teach students of “Information Security”. These tasks contribute to the development of critical thinking, the formation of analytical skills, and the ability to apply the acquired knowledge in practice.The article emphasizes the importance of feedback as a critical element of learning, which allows to customize and adapt the learning process according to students’ needs and level of mastery of OSINT technologies. In addition, the authors emphasize the importance of the multidisciplinary approach in OSINT training, including not only the study of technical aspects but also legal and ethical norms. The analysis of case method principles and case studies presented in the article will be useful for instructors developing OSINT training courses, as well as for specialists interested in modern methods and approaches to training in the field of information security.
