Access control mechanisms in general computing systems; Authentication and authorization mechanisms- Passwords (Single vs Multifactor), Captcha, Single Sign-on- Oauth and Openid connect, Authentication Protocols (Kerberos, X.509). 

Malwares and its protection mechanisms- Viruses, Worms, Trojans, Ransomware, Polymorphic malware, Antivirus, Firewall and Intrusion detection systems. 

Networking Basics, Web, Email, and IP Security- SSL, TLS, WEP, SET, Blockchain, PGP, IPSEC. 

Image Processing Basics, Digital Watermarking, Steganography and Visual Cryptography. 

Database System Basics, Database Security- Database watermarking, Statistical inferencing in databases, Private information retrieval, Privacy in data publishing, SQL Injection, Spark Security.

Text book: 

1. Mark Stamp, “Information Security: Principles and Practice”, Wiley Publishing, 2nd edition, 2011
2. Behrouz A. Forouzan and Debdeep Mukhopadhyay, “Cryptography and Network Security”, Tata McGraw-Hill Education Pvt. Ltd., 2nd edition, 2010

References: 

1. Alfred Basta and Melissa Zgola, “Database Security”, Cengage Learning India Pvt. Ltd., 1st edition, 2014.
2. Shivendra Shivani, Suneeta Agarwal and Jasjit S. Suri, “Handbook of Image-based Security Techniques”, Taylor and Francis, 1st edition, 2018.
3. Michael Gertz, “Handbook of Database Security: Applications and Trends”, Springer, 2008 edition.
4. Antony Lewis, “The Basics of Bitcoins and Blockchains: An Introduction to Cryptocurrencies and the Technology that Powers Them”, Mango Media, 2018.
5. Prabath Siriwardena, “Advanced API Security: Securing APIs with OAuth 2.0, OpenID Connect, JWS, and JWE”, Apress, 1st edition, 2014.
6. Romeo Kienzler, “Mastering Apache Spark 2.x”, Packt Publishing Limited; 2nd Revised edition, 2017.