Bruce Schneier's Applied Cryptography isn't just a book about encryption and data protection; it's a veritable encyclopedia of knowledge for anyone interested in the world of information security. Published in 1996, it has become a classic in its field and still remains relevant thanks to its in-depth analysis and accessible presentation of complex topics. In his work, Schneier touches on many aspects of cryptography, ranging from basic concepts to complex encryption algorithms. He explains how cryptography works, what methods of information protection exist, and how they are applied in real life. The book covers topics such as symmetric and asymmetric encryption, digital signatures, hash functions, and more. The reader will be able to understand how cryptography protects data on the Internet, how it is used in the banking sector, as well as in everyday life, from instant messengers to online payments. This book will be interesting not only to specialists in the field of information security, but also to those who just want to understand how the digital world works. Students, programmers, IT specialists and even just curious readers will find a lot of useful information in it. Schneier writes in simple and understandable language, making complex concepts available to a wide audience. This makes the book an ideal choice for those who want to immerse themselves in the world of cryptography without prior preparation. Topics raised in Applied Cryptography are more relevant than ever. With the growing threat of cyber attacks and data leaks, security issues are becoming a priority for businesses and private users. Schneier not only explains how to protect his data, but also raises important ethical and legal issues related to the use of cryptography. He discusses how to balance security and freedom, which makes the book especially valuable for those interested not only in technical aspects, but also in the philosophy of security. Bruce Schneier's style can be described as clear and concise. He masterfully combines theory with practical examples, which allows the reader not only to understand, but also to apply the knowledge gained. Schneier is the author of many other well-known works, such as Secrets and Lies and Liars and Outliers, which also deserve attention. His experience and authority in the field of security make each of his books a real event for readers. If you are looking for a book that will help you understand the complex world of cryptography, “Applied cryptography” will become your reliable assistant. It will not only expand your knowledge, but also give you the opportunity to look at the world of technology from a new perspective. This book is an excellent choice for those who want to be aware of current trends in the field of information security and protect their data from possible threats. Don’t miss the chance to immerse yourself in the fascinating and important world of cryptography with Bruce Schneier. Read, study and protect your data!