Digital Signatures and Blockchain Technology Quiz

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Which security measure is associated with ensuring Integrity in information security?

Hash Functions (correct)

Encryption

Availability

Access Controls

What is the primary goal of Confidentiality in information security?

To ensure information is accessible when needed

To verify data integrity through checksums

To prevent unauthorized access or exposure of sensitive information (correct)

To ensure the reliability of information

How does Availability contribute to the CIA Triad principles of information security?

By ensuring the reliability of information

By preventing unauthorized access or exposure of sensitive information

By restricting access to authorized users

By ensuring that information is accessible when needed (correct)

Which principle protects against unauthorized access in the CIA Triad framework?

Confidentiality Signup and view all the answers

What technology can be used to transform data into a secure format for maintaining Confidentiality?

Encryption Signup and view all the answers

In what way does Integrity ensure the reliability of information in information security?

By verifying data integrity through checksums Signup and view all the answers

What is the goal of implementing digital signatures in communication or transactions?

To provide evidence of involvement that cannot be denied later Signup and view all the answers

How does Role-Based Access Control (RBAC) differ from Mandatory Access Control (MAC) and Discretionary Access Control (DAC)?

RBAC focuses on restricting access based on individual user permissions Signup and view all the answers

What is the primary purpose of an audit trail in information security?

To log and track user activities and interactions Signup and view all the answers

How does access control differ from authorization?

Authorization determines who can access a system, while access control focuses on resource management Signup and view all the answers

In information security, what is the main objective of access control mechanisms?

To ensure that only authorized individuals or entities have the right level of access Signup and view all the answers

What role does blockchain technology play in ensuring secure transactions?

It provides a decentralized and tamper-resistant ledger for transactions Signup and view all the answers

What does authorization specifically deal with in access control?

Granting or denying permissions to authenticated users Signup and view all the answers

What is the main trade-off between security and functionality mentioned in the text?

Strict security policies making systems unavailable to legitimate users Signup and view all the answers

How does focusing on only one principle in the CIA triad affect system design?

It may lead to non-conformance with other principles Signup and view all the answers

What is a vulnerability in the context of information security?

A weakness or flaw that can be exploited by threat actors Signup and view all the answers

Why is identifying and addressing vulnerabilities crucial in information security?

To maintain a secure and resilient information environment Signup and view all the answers

When does authorization come into play in the access control process?

After access control has verified the user's identity Signup and view all the answers

What is the primary goal of ensuring availability in information security?

Prevent disruptions and ensure continuous access to critical services Signup and view all the answers

Which method is an example of implementing authentication in information security?

Using unique physical or behavioral characteristics for identity verification Signup and view all the answers

What is the purpose of redundancy in ensuring availability?

Minimize downtime by duplicating critical systems Signup and view all the answers

Which element of information security involves confirming the entity claiming an identity is indeed who or what it claims to be?

Authentication Signup and view all the answers

In information security, what is the primary function of disaster recovery plans?

Preparing for and recovering from disruptive events Signup and view all the answers

Which example demonstrates the implementation of availability in information security?

Implementing redundant servers for a website to ensure continuous access Signup and view all the answers

What is the primary focus of a traffic analysis attack in terms of gaining information?

Analyzing metadata and behavioral patterns Signup and view all the answers

How does randomizing timing and sizes of data transmissions help prevent traffic analysis attacks?

It makes it more challenging for attackers to identify patterns Signup and view all the answers

What is the primary purpose of using Virtual Private Networks (VPNs) in preventing traffic analysis attacks?

Encrypting the entire communication channel Signup and view all the answers

What distinguishes an active attack from a passive attack in terms of system harm?

Active attacks always damage the execution system Signup and view all the answers

Which type of attack is a danger to integrity as well as availability?

Active Attack Signup and view all the answers

What is the main focus of a traffic analysis attack compared to other cyber attacks?

Analyzing patterns, volumes, and timings of data transmissions Signup and view all the answers