GCIA: GIAC Certified Intrusion AnalystDemo

Question

John is a Network Security Administrator for NetPerfect Inc. The company manager tells John that the company's phone bill has risen drastically. John suspects a malicious hacker has compromised the company's phone system. Which attack do malicious hackers use to crack a phone system?

A Sequence++ attack
B Phreaking
C Man-in-the-middle attack
D War dialing

Explanation

Phreaking is the unauthorized manipulation or exploitation of telephone systems, commonly to place fraudulent calls or obtain telecommunications services, which can cause unusually high phone charges.

GCIA: GIAC Certified Intrusion AnalystDemo

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Notes

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