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Data Privacy and Protection: Attack Models and Data Publishing wk2 dpp

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Questions and Answers

What is the role of a Data Publisher in the context of data privacy and protection?

To publish data on behalf of the record owners (correct)
To collect data from record owners
To protect data from unauthorized access
To use data for personal gain

What is the goal of Privacy-Preserving Data Publishing (PPDP)?

To ensure data is only accessible to authorized personnel
To collect as much data as possible from record owners
To identify sensitive attributes in data
To preserve personal data privacy while maintaining data usefulness (correct)

What type of data attribute is a mobile phone number?

Quasi Identifier (QID)
Explicit Identifier (correct)
Non-Sensitive Attribute
Sensitive Attribute

In the Attribute Linkage Model, what can an attacker infer about a victim?

The likelihood of the victim having a certain disease (A) Signup and view all the answers

What is the purpose of the Record Linkage Model?

To link separate tables to retrieve explicit information (B) Signup and view all the answers

What is a characteristic of a Quasi Identifier (QID)?

It potentially identifies the record owner (A) Signup and view all the answers

What is the primary goal of Privacy-Preserving Data Publishing (PPDP)?

To protect sensitive information when sharing or publishing datasets (D) Signup and view all the answers

What does an attacker use to identify a recipient in the Background Knowledge model?

Quasi Identifiers, public statistical data, social networks, and common sense (B) Signup and view all the answers

What is the main difference between the Table Linkage Model and the Probabilistic Model?

The Table Linkage Model focuses on linking tables, while the Probabilistic Model focuses on probability comparisons (A) Signup and view all the answers

What is the purpose of an attacker comparing probabilities before and after accessing published data in the Probabilistic Model?

To believe that the probability of identifying the target victim's sensitive information increases after accessing the published data (A) Signup and view all the answers

What is the primary concern of PPDP in relation to background knowledge?

That attackers may use additional background knowledge to identify individuals (C) Signup and view all the answers

What is the main objective of an attacker in the Table Linkage Model?

To identify individuals or extract sensitive information from anonymized data (A) Signup and view all the answers

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