A practicum demonstrates how to apply the ideas and mechanisms for a company that is realistic. Coverage includes Confidentiality, integrity, and availability of operational problems, cost-benefit and risk analysis, legal and human factor authentication Planning and implementing effective access control Defining the security, confidentiality and integrity policies and Using public key cryptography system, and recognize its limits and Understanding use: from passwords to biometrics security design principles: least-privilege, fail-safe defaults, open design, economic mechanisms, and better control the flow of information through network systems and ensure security of the entire cycle of malicious logic systems: Trojan horses, viruses, boot sector and executable infectors, rabbits, bacteria, logic bombs - and defenses against their vulnerability analysis, penetration studies, auditing, and intrusion detection and prevention Applying security principles to networks, systems, users, and program Introduction to Computer Security is adapted from Bishop's comprehensive and widely praised book, Computer Security and Science. Art is the short version of the original work eliminates a lot of mathematical formalism, making it more accessible for professionals and students who have less formal mathematical background, or for readers with more practical than theoretical interest.