IT professionals must focus on a wide range of security-related issues and develop security systems that address constantly changing threats. This course takes the approach that security components and business functions work in tandem. Topics like asset identification, human factors, compliance with regulations, personnel security, risk assessment, and ethical considerations are covered, as well as computer and network security tools and methods.

In today's world, protection of data is serious business. This course explains the concepts and techniques involved in keeping computers and networks secure. The course examines fundamentals such as viruses, worms, and other malicious software; authentication and encryption security; file security and shared resources; firewalls and border security; and physical and network topology security.

An ethical hacker is a security expert who attacks a system on behalf of the system's owners. This course focuses on discovering network vulnerabilities that a malicious hacker can exploit. The course explores penetration testing, footprinting and social engineering, scanning and enumeration, operating system weaknesses, and the methods used to hack Web servers and wireless networks. You will perform hands-on projects using state-of-art hacking tools and techniques.

Never before has the use of cryptography been so wide spread or so necessary. In this course, you will learn how to protect susceptible networks from attack by implementing encryption techniques. You will examine encryption algorithms, substitution and transposition, block ciphers versus stream ciphers, public key cryptography, hash functions, digital signatures, and authentication protocols. The course offers hands-on projects using modern cryptographic tools.