The Security Problem in Computing:
The meaning of computer Security, Computer Criminals, Methods of Defense,
Elementary Cryptography: Substitution Ciphers, Transpositions, Making
“Good” Encryption algorithms, Secure Architecture of an open System. DES
and RSA Algorithm Asymmetric and symmetric Key Cryptography, Role based Security, Digital
Signatures, The Data Encryption Standard, The AES Encryption Algorithms,
Public Key Encryptions, Uses of Encryption.

Security in Program and Operating System:
Secure Programs, Non malicious Program Errors, viruses and other malicious
code, Targeted Malicious code, controls Against Program Threats, Protection
in General- Purpose operating system protected objects and methods of
protection memory and addmens protection, File protection Mechanisms, User
Authentication Designing Trusted.

Operating System: Security polices, models of security, trusted Operating
System design, Assurance in trusted Operating System Implementation
examples.

Database and Network Security:
Database Integration and Secrecy, Inferential Control, Sensitive data,
Inference, multilevel database, proposals for multilevel security. Security in
Network: Threats in Network, Network Security Controls, Firewalls, Intrusion
Detection Systems,Secure E-Mail

Administering Security:
Security Planning, Risk Analysis, Organizational Security policies, Physical
Security. Legal Privacy and Ethical Issues in Computer Security: Protecting
Programs and data, Information and the law, Rights of Employees and
Employers, Software failures, Computer Crime, Praia, Ethical issues in
Computer Security, Case Studies of Corporate Security.