Sniffers are malicious programs pretending to be some normal tools.

Which of the following statements about cloud service brokers is NOT correct?

TLS (Transport Layer Security) runs on UDP while DTLS (Datagram Transport Layer Security) runs on TCP.

Which of the following is NOT among the effective strategies in protecting IoT devices privacy?

Active eavesdropping is a typical man-in-the-middle attack.

Efforts on improving IoT interoperability and standardization will NOT help the IoT vision too much because it will significantly increase the cost of deploying IoT applications.

Social engineering attacks represent a confidence trick, and a psychological manipulation of a human.

Lightweight and open-source operating systems such as Linux is one of the driving factor for the IoT vision.

Among IoT security requirements, access control means to control what a specific role or user can do and cannot do.

Which of the following statements about cloud computing is NOT correct?