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VoIP vulnerabilities are weaknesses in the VoIP protocol or its implementations that expose users to privacy violations and other problems. VoIP is a group of technologies that enable voice calls online. VoIP contains similar vulnerabilities to those of other internet use. Risks are not usually mentioned to potential customers. [1]
VoIP calling rates are cheap, and the technology provides convenient, often free tools, such as Asterisk and other applications. The primary underlying technology driving this threat is the Session Initiation Protocol (SIP), [ 2 ] which is a standard for VoIP telecommunications.
Voice phishing, or vishing, [1] is the use of telephony (often Voice over IP telephony) to conduct phishing attacks.. Landline telephone services have traditionally been trustworthy; terminated in physical locations known to the telephone company, and associated with a bill-payer.
IP spoofing and ARP spoofing in particular may be used to leverage man-in-the-middle attacks against hosts on a computer network. Spoofing attacks which take advantage of TCP/IP suite protocols may be mitigated with the use of firewalls capable of deep packet inspection or by taking measures to verify the identity of the sender or recipient of ...
An INVITE of Death [1] is a type of attack on a VoIP-system that involves sending a malformed or otherwise malicious SIP INVITE request to a telephony server, resulting in a crash of that server. Because telephony is usually a critical application, this damage causes significant disruption to the users and poses tremendous acceptance problems ...
Skype is a Voice over Internet Protocol (VoIP) system developed by Skype Technologies S.A. It is a peer-to-peer network where voice calls pass over the Internet rather than through a special-purpose network.
VoIP technology has also increased federal security concerns because VoIP and similar technologies have made it more difficult for the government to determine where a target is physically located when communications are being intercepted, and that creates a whole set of new legal challenges.
Wiretapping, also known as wire tapping or telephone tapping, is the monitoring of telephone and Internet-based conversations by a third party, often by covert means.The wire tap received its name because, historically, the monitoring connection was an actual electrical tap on an analog telephone or telegraph line.