Make sure are calling the right person from now on!
Security researcher HD Moore’s scanned about 3% of addressable Internet space looking for high-end videoconferencing systems–the type of systems present in many corporate boardrooms and meeting spaces.
The scan, which took about two hours using a handful of computers, discovered a quarter of a million systems that understood the H.323 protocol, widely used by Internet protocol (IP) communication systems. Using that list, Moore, the chief security officer for vulnerability-management firm Rapid7, used a module for the popular Metasploit framework to “dial” each server, connect long enough to grab the public handshake packets, and then dropped the connection.