BITM Information Security

Define security threats.

Explain the security design principles considered while developing a secure system.

Define computer security.

Explain Biba integrity model.

As a security software designer in your organization, what factors and design principles you need to consider while developing a security product? Explain in detail.

What is a block cipher?

Define encryption.

Perform encryption and decryption of plain text "Exam" using any one classical cryptosystem.

Test whether 5 is primitive root of 7 or not.

Find the shared secret 'S', if prime number (P) = 11, base / generator (g) = 2, Alice's private key (a) = 3 and Bob's private key (b) = 7.

Define stream cipher.

Perform encryption of plaintext “secure” using Caesar Cipher.

Test whether 2 is primitive root of 5 or not.

Explain RSA algorithm. Encrypt the message \(m = 10\) using RSA algorithm for \(p = 3\), \(q = 13\), \(e = 5\) and also show the decryption process.

Define message authentication.

Define MD5.

List any two uses of Hash function.

Explain the differences between SHA 1 and SHA 2.

List any two user authentication principles.

Explain two factor authentication with example.

List any one issue of password base system.

List any two security issues for user Authentication.

How does Kerberos works? Explain.

What do you mean by masquerader?

Define intruders.

Explain the benefit of using Honey pots.

Explain any three types of intrusion detection analysis approaches.

What do you mean by misfeasor?

Explain network based intrusion detection techniques.

What is phishing?

Explain the different types of malicious software and describe the counter measures used to protect system from malware attacks.

What do you understand by rootkit?

Explain any three countermeasures for malware.

List any two uses of firewall.

Explain lifecycle of a digital certificate.

How does SSL client and SSL server establish connection? Explain.

List any two services of PGP.

What is a VPN?

Define fire wall and explain its type.

Define audit trial.

Explain the steps of security risk assessment.

Define security policy.

What is security risk analysis? Explain.

What are the key consideration while designing a security audit trail? Explain.