Homeland Security Dept's PBX hacked?

Ouch! ZDNet have a short article about a misconfigured PBX making 400 calls to some of the hottest countries around: Afghanistan, India, Yemen and Saudi Arabia. Very ugly .. hope that the details emerge. If anyone has more details email me or post here.

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Update: Apparently it consisted of voicemail hacking - you know that thing from the 90s. So no VoIP or SIP involved, just plain old school default pin cracking.