An updated study in the field of computer security. The book Computer Security: Principles and Practices provides a detailed overview of developments in the field of computer security and is aimed at both the academic community and professional engineers and security system administrators.The content of the book is organized based on the axes: a) principles, b) design approaches, c) standards, and d) real examples, and covers in detail the following topics: Technology and principles of computer security. Database and cloud security, malicious software, intrusion detection, firewalls. Software security and trusted systems. Software development and implementation, trusted computing, and multilevel security. Management issues. Management aspects of information and computer security. Cryptographic algorithms. Technical overview of cryptographic algorithms. Network security. Protocols and standards for communication security.