"Network Security Essentials: Applications and Standards" by William Stallings is a comprehensive textbook on computer security, focusing on essential applications and standards in the field. Published by Prentice Hall PTR in 2011, this fourth edition covers topics such as security, online safety, privacy, and networking. With 417 pages, this trade paperback is a valuable resource for students and professionals looking to deepen their understanding of network security fundamentals. Written in English and originating from the United States, this book is a must-have for those interested in enhancing their knowledge in the area of computer security.