In which of the following attacks does an attacker intercept call-signaling SIP message traffic and masquerade as the calling party to the called party and vice-versa?

The correct answer is B. Man-in-the-middle. VoIP is more vulnerable to man-in-the-middle attacks. In the man-in-the-middle attack, the attacker intercepts call-signaling SIP message traffic and masquerades as the calling party to the called party, and vice-versa. The attacker can hijack calls via a redirection server…

Enterprise Security

Question

Options

ACall tampering
BMan-in-the-middle
CEavesdropping
DDenial of Service

How the community answered

(34 responses)

A
3% (1)
B
88% (30)
C
6% (2)
D
3% (1)

Explanation

VoIP is more vulnerable to man-in-the-middle attacks. In the man-in-the-middle attack, the attacker intercepts call-signaling SIP message traffic and masquerades as the calling party to the called party, and vice-versa. The attacker can hijack calls via a redirection server after gaining Answer option A is incorrect. Call tampering involves tampering a phone call in progress. Answer option D is incorrect. DoS attacks occur by flooding a target with unnecessary SIP call- signaling messages. It degrades the service and causes calls to drop prematurely and halts call Answer option C is incorrect. In eavesdropping, hackers steal credentials and other information.

Topics

#man-in-the-middle#SIP#VoIP security#call signaling attack

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