5_5_3 – Data Privacy Enhancing Privacy

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Questions and Answers

What is tokenization?

  • Storing data in a database and displaying it as-is
  • Sending sensitive data over a network securely
  • Encrypting sensitive data to protect it
  • Replacing sensitive data with a different piece of data called a token (correct)

How can tokenization be compared to hashing and encryption?

  • Tokenization is similar to encryption
  • Tokenization is similar to hashing
  • Tokenization is a combination of hashing and encryption
  • Tokenization is different from both hashing and encryption (correct)

Where is tokenization commonly used in credit card processing?

  • To send a token of the credit card number for transactions (correct)
  • To encrypt the credit card number for security
  • To send the credit card number over the network
  • To display the full credit card number on the screen

Why is tokenization important in Apple Pay and Google Pay transactions?

<p>To prevent unauthorized use of captured credit card information (D)</p> Signup and view all the answers

What allows tying back the original data with the tokenized version in tokenization?

<p>A private database matching original data with tokens (B)</p> Signup and view all the answers

Why is tokenization used in mobile payments like Apple Pay and Google Pay?

<p>To replace the credit card number with a token for security (D)</p> Signup and view all the answers

What is the purpose of anonymizing data?

<p>To enhance data security (A)</p> Signup and view all the answers

What does pseudo-anonymization allow that anonymization does not?

<p>Ability to convert data back if needed (D)</p> Signup and view all the answers

How does pseudo-anonymization maintain consistency in data display?

<p>By using consistent replacements for names (B)</p> Signup and view all the answers

What is one way to implement data protection through pseudo-anonymization?

<p>Showing different customer details each time a record is accessed (D)</p> Signup and view all the answers

Why might an organization choose to use pseudo-anonymization over anonymization?

<p>To enhance security by converting data back when needed (B)</p> Signup and view all the answers

What is a key difference between anonymization and pseudo-anonymization?

<p>Anonymization does not allow for data conversion back, unlike pseudo-anonymization. (A)</p> Signup and view all the answers

What is the purpose of tokenization in the context of credit card transactions?

<p>To replace the credit card number with a token for transactions. (B)</p> Signup and view all the answers

How does tokenization contribute to data security in credit card transactions?

<p>By changing the token with each transaction to prevent unauthorized use. (A)</p> Signup and view all the answers

What does data minimization aim to achieve in terms of information collection?

<p>Collecting only essential data required for specific functions. (A)</p> Signup and view all the answers

How does data masking protect sensitive information?

<p>By hashing data to make it unreadable and obfuscating details. (D)</p> Signup and view all the answers

What is the significance of anonymization when handling sensitive data?

<p>To make existing data unidentifiable and preserve privacy. (D)</p> Signup and view all the answers

Why is restricting access based on job roles important for safeguarding data?

<p>To prevent unauthorized viewing of data unrelated to assigned tasks. (B)</p> Signup and view all the answers

In what way does GDPR regulation contribute to data protection?

<p>By ensuring personal data is relevant and not excessive for processing purposes. (D)</p> Signup and view all the answers

What role does Remote Token Service Server play in the tokenization process?

<p>Providing tokens to replace credit card numbers. (D)</p> Signup and view all the answers

How does near field communication contribute to secure transactions?

<p>By communicating with Token Service Server for validation. (C)</p> Signup and view all the answers

Why is it important that tokens change with each transaction?

<p>To prevent unauthorized use if a token is compromised. (A)</p> Signup and view all the answers

What is the main purpose of tokenization in data security?

<p>To replace sensitive data with tokens (D)</p> Signup and view all the answers

How does a token differ from the original sensitive data in tokenization?

<p>It is a completely different bit of data (C)</p> Signup and view all the answers

Which scenario best describes the use of tokenization mentioned in the text?

<p>Replacing Social Security numbers with random numbers (D)</p> Signup and view all the answers

Why does the text mention that tokenization is not encryption or hashing?

<p>To clarify the differences between various data protection methods (C)</p> Signup and view all the answers

How does tokenization enhance security in mobile payments using Apple Pay or Google Pay?

<p>By using tokens instead of actual credit card numbers (C)</p> Signup and view all the answers

What is a critical role of the database in implementing tokenization for data security?

<p>To match original data with tokenized versions (B)</p> Signup and view all the answers

What is the main purpose of pseudonymization compared to anonymization?

<p>To maintain the statistical relationships between data and allow conversion back to original data (B)</p> Signup and view all the answers

Which technique offers a way to convert the data back if required for other processes?

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

How does pseudonymization differ from anonymization regarding data conversion?

<p>Pseudonymization offers a way to revert back to original data if needed (A)</p> Signup and view all the answers

In what scenario would one choose to utilize pseudo-anonymization over anonymization?

<p>When maintaining consistent relationships in data display is crucial (D)</p> Signup and view all the answers

What is a key aspect of anonymized data according to the text?

<p>It lacks any method for converting back to the actual data (D)</p> Signup and view all the answers

How does pseudonymization ensure consistency in data display?

<p>By displaying different names for the same record each time it's accessed (D)</p> Signup and view all the answers

What is the purpose of using data minimization?

<p>To only collect data necessary for the intended function (C)</p> Signup and view all the answers

How does data masking protect sensitive information?

<p>By making the data unreadable (D)</p> Signup and view all the answers

What distinguishes anonymization from pseudo-anonymization?

<p>Anonymization ensures complete removal of data, while pseudo-anonymization maintains some association with the original data. (C)</p> Signup and view all the answers

Why are tokens changed with each transaction in tokenization?

<p>To prevent fraudulent use if the token is compromised (D)</p> Signup and view all the answers

How does pseudonymization differ from anonymization?

<p>Pseudonymization replaces direct identifiers with substitutes, while anonymization removes all identifiers. (A)</p> Signup and view all the answers

What role does Remote Token Service Server play in tokenization?

<p>It generates unique tokens for each transaction (C)</p> Signup and view all the answers

Why is it important to restrict access based on job roles within an organization?

<p>To prevent unauthorized browsing through irrelevant data (D)</p> Signup and view all the answers

What is the purpose of using data masking techniques?

<p>To make data unreadable while indicating its existence (C)</p> Signup and view all the answers

How does anonymization protect data privacy?

<p>By completely removing any trace of the original data (D)</p> Signup and view all the answers

What does hashing do to protect sensitive information?

<p>Makes saved records unreadable and incomprehensible (A)</p> Signup and view all the answers

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