IoT Security Challenges and Countermeasures
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Questions and Answers

What is a significant challenge in utilizing common secret key-based cryptographic methods in large-scale IoTs?

  • Network congestion due to node heterogeneity
  • Data encryption and decryption speed
  • Key generation, distribution, and storage (correct)
  • Node quantity and scalability

    • What is a potential solution to the problem of secret key generation in IoTs?

  • Hardware-based Physically Unclonable Functions (PUFs) (correct)
  • Public-key cryptography
  • Cloud-based key storage
  • Software-based encryption algorithms

    • What is a limitation of conventional security methods in IoT networks?

  • Inadequate consideration of node characteristics (correct)
  • Inadequate security protocols
  • Inability to handle node heterogeneity
  • Insufficient processing power in nodes

    • What is a potential application of IoTs in the future?

    <p>In both smart cities and smart transportation systems</p> Signup and view all the answers

    What is a characteristic of IoT networks that affects security?

    <p>Node heterogeneity</p> Signup and view all the answers

    What is a barrier to the application of PUFs in IoTs?

    <p>Several barriers limit PUFs’ applications</p> Signup and view all the answers

    What is a common issue with applying conventional security methods to IoT networks?

    <p>They do not consider the unique characteristics of IoT networks.</p> Signup and view all the answers

    What is a potential benefit of using PUFs in IoT networks?

    <p>They offer a secure way to generate secret keys.</p> Signup and view all the answers

    What is a unique characteristic of IoT networks that affects security?

    <p>They have limited resources.</p> Signup and view all the answers

    What is a challenge in utilizing common secret key-based cryptographic methods in large-scale IoTs?

    <p>Key generation and protection from physical attacks.</p> Signup and view all the answers

    What is a security concern in IoT networks?

    <p>Societal and economic impacts.</p> Signup and view all the answers

    What can be used as a possible hardware remedy for identification and authentication in IoT networks?

    <p>Physically unclonable functions.</p> Signup and view all the answers

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