Robert Frances Group believes the recent interest in IP-PBX voice telephony systems and the increased use of voice over IP (VoIP) technology in converged enterprise environments has sparked a renewed interest in voice systems among hackers. Hackers have traditionally attempted to steal long distance services in traditional private branch exchange (PBX) environments. In addition, hackers are now attempting denial of service (DoS) attacks and the exploitation of call override features to take control of and, in some cases, disable corporate PBX and voice mail systems. To avoid these attacks, IT executives should develop and implement security plans that will mitigate the chances of a hacker's success in implementing a potentially devastating and very expensive system attack.

[ Read more ]