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How to prevent VoIP phishing

Ed Skoudis, past SearchSecurity.com expert EXPERT RESPONSE FROM: Ed Skoudis, past SearchSecurity.com expert

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QUESTION POSED ON: 03 July 2006
Do end-to-end encrypted VoIP phones prevent VoIP phishing?


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Expert Archive: Information Security Threats,   Network Protocols and Security,   Application and Platform Security,   Email and Messaging Threats (spam, phishing, instant messaging),   Email Protection,   Enterprise Network Security,   VIEW ALL TAGS

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No. While encryption is useful for protecting VoIP traffic from snooping, it does not stop VoIP phishing. VoIP phishing is when an attacker uses an automated tool to call VoIP numbers (and POTS numbers) to leave a message pretending to be your bank or other e-commerce entity. Therefore, even with a rock-solid encrypted VoIP connection, attackers can still make such calls.

To guard against VoIP phishing, be leery of giving sensitive personal information especially over your VoIP phone. And remember, VoIP caller IDs are easy to spoof, so don't trust the friendly voice on the other end of the phone line, until they prove their identity.

More Information:

  • Learn why hackers started using VoIP in phone phishing scams.
  • Learn how to mitigate other VoIP threats in this VoIP Security Learning Guide.



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