BT has developed a way of closing a loophole that enabled hackers to get free telephone calls by breaking into Meridian voicemail systems.
BT Business Systems' marketing communications manager, Mick Hammond, said hackers had been able to notch up huge free phone bills at a company?s expense by breaking into a BT Meridian telephone voicemail system and using it to call out to international numbers.
But ?Hacker Tracker?, which was previewed at the TMA29 show in Brighton this week, was able to catch the hackers by monitoring the mailbox login and through dialling systems in PBX voicemail.
As soon as there is unauthorised or abnormal usage of a system, a visual alarm is raised on the system administrator?s PC, or via a pager. Previously the problem could only be detected through Meridian mail?s manual reporting function - long after the hacker had left the system. ?By improving the efficiency of voicemail violation detection, Hacker Tracker becomes an important tool for any business using Meridian Mail,? Hammond said.
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