Mathematical Methods of Signal Theory: A Workshop . Specialty 100503 Information security of automated systems” is an indispensable educational resource for students , Graduates and Professionals , seeking a deeper understanding of fundamental principles and modern approaches to the analysis and processing of signals in the context of information security Created by a team of authors, this book combines the theoretical foundations and practical skills necessary to solve urgent problems in the field of automated information security systems. What makes this publication especially valuable is its focus on the practical application of mathematical methods in the field of signal theory. The book explores in detail key concepts such as Fourier transform, wavelet analysis, probability theory, and statistical methods adapted to the challenges of ensuring the security of information systems. The authors masterfully combine complex mathematical ideas with real cases, which allows the reader not only to master the theory, but also to learn how to apply the acquired knowledge to develop effective algorithms for data protection, detection of anomalies and prevention of cyber attacks. The book "Mathematical Methods of Signal Theory: Workshop" is perfect for senior students, undergraduates and graduate students studying in the specialty 100503 "Information Security of Automated Systems" . It will also be useful to specialists already working in the field of information security, engineers and software solutions developers who are looking for practical tools for analyzing and processing signals in the face of threats and attacks. For those interested in modern methods of information protection, this book will be a valuable source of knowledge and practical skills. The publication pays special attention to current topics, such as the processing of noisy signals, the recognition and classification of threats, as well as methods for detecting anomalies in data streams. The authors not only reveal the mathematical foundations, but also demonstrate how these methods are implemented in automated systems, which makes the book especially valuable for specialists involved in the development and implementation of information security systems. As a result, the reader will be able to understand how to use mathematical tools to improve the reliability and efficiency of automatic protection systems. The style of presentation is distinguished by clarity and logical consistency, which makes it easier to master even complex topics. The team of authors, known for their work in the field of signal theory and information security, uses modern approaches and current examples, which makes the book not only a textbook, but also a source of inspiration for further research. In general, "Mathematical Methods of Signal Theory: A Workshop" is a book that combines theory and practice, making complex mathematical concepts available and applicable in real-world information protection problems. If you are looking for a book that will help you understand how mathematical methods are used to protect data in automated systems, and want to learn how to put this knowledge into practice, this publication will be an excellent choice for you. In a world where cyber threats are constantly evolving, owning modern mathematical tools is becoming a necessity. This book is your reliable assistant on the way to professional growth and success in the field of information security.