Which of the following is an attack that causes unsolicited prerecorded phone messages to be sent?
A. SPIT
B. STP
C. SSMTP
D. SRTP
A
Explanation: Voice over IP (VoIP) phone systems offer some advantages but also introduce security issues. One attack type is a VoIP spam or SPIT (Spam over Internet Telephony) attack. This attack causes unsolicited prerecorded phone messages to be sent. Detecting these attacks is a matter of regularly performing a SIP traffic analysis.
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