1. A unique piece of information that is used in encryption.
2. Study of creating a d using encryption and decryption techniques.
Correct Answer is : Cryptography
3. Creating a computer or paper audit that can help detect wrong doings.
Correct Answer is : Auditing
4. An indirect form of surveillance.
Correct Answer is : Honey pot
5. A malicious code hidden inside a seemingly harmless piece of code.
Correct Answer is : Trojan Horse