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In this course, students learn to analyze and detect potential threats related to networked or to standalone computers. The course addresses security issues for TCP/IP at various network layers of the Internet including different strategies to harden the system against threats and attacks. Topics covered include data privacy availability and integrity, security issues, basic cryptography, email security, ways to provide privacy, source authentication, message flow confidentiality, and management business responsibility regarding compromised confidential data. The laboratory portion of the course reinforces topics covered in lecture as students gain experience in detecting vulnerabilities, identifying malicious malware, and hardening the network by implementing countermeasures against cyber threats and attacks.