Information Security: Principles and Practice Chapter 1 Quiz

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Questions and Answers

What aspect of security does the CIA triad focus on preventing unauthorized reading of information?

  • Availability
  • Integrity
  • Confidentiality (correct)
  • Authentication

Which security concern refers to ensuring that data is available whenever it's needed?

  • Authentication
  • Integrity
  • Availability (correct)
  • Confidentiality

What security issue arises when there is a denial of service (DoS) attack?

  • Integrity
  • Authentication
  • Availability (correct)
  • Confidentiality

Which element is crucial for verifying a user's identity, such as Bob's password verification?

<p>Cryptography (C)</p> Signup and view all the answers

What term encompasses the enforcement of restrictions on actions once a user is authenticated, like Bob not being able to view Charlie's account info?

<p>Authorization (D)</p> Signup and view all the answers

In the context of security issues, what is a common problem associated with real-world software?

<p>Software bugs and complexity (B)</p> Signup and view all the answers

Who are the good guys in the scenario described?

<p>Alice and Bob (B)</p> Signup and view all the answers

What is Trudy's role in this scenario?

<p>A generic intruder (B)</p> Signup and view all the answers

What are Alice's security concerns in setting up Alice's Online Bank?

<p>Unauthorized access to her bank (D)</p> Signup and view all the answers

If Bob is a customer of AOB, what are his security concerns likely to be?

<p>Keeping his login credentials secure (C)</p> Signup and view all the answers

How does Trudy view the situation in the context of Alice, Bob, and AOB?

<p>She takes advantage of vulnerabilities (D)</p> Signup and view all the answers

In what way are Alice's and Bob's security concerns similar?

<p>Both involve unauthorized access prevention (B)</p> Signup and view all the answers

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Study Notes

CIA Triad

  • Confidentiality focuses on preventing unauthorized reading of information.

Security Concerns

  • Availability ensures data is accessible whenever needed.
  • A Denial of Service (DoS) attack disrupts the availability of a service or resource.

Authentication and Authorization

  • Authentication verifies a user's identity, often through password verification.
  • Authorization enforces restrictions on actions after authentication.

Software Security Issues

  • Vulnerabilities are common weaknesses found in real-world software.

Security Roles

  • Alice and Bob are typically considered the good guys in security scenarios.
  • Trudy often represents a malicious attacker or intruder, trying to exploit vulnerabilities.

Security Concerns in Online Banking

  • Alice, when setting up Alice's Online Bank (AOB), might be concerned about security measures like strong passwords, encryption, and secure login processes.
  • Bob, as a customer of AOB, might be concerned about unauthorized access to his account, data breaches, and fraudulent transactions.

Intruder's Perspective

  • Trudy views the situation as an opportunity to gain access to sensitive information, possibly for financial gain or other malicious purposes.

Common Security Concerns

  • Both Alice and Bob have similar security concerns regarding protecting sensitive data, ensuring account privacy, and preventing unauthorized access.

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