A security expert at a managed services provider has kicked off a project to expose and blacklist networks hosting VoIP attacks against his and other companies’ VoIP PBX servers. The VoIP Abuse Project uses a honeypot VoIP honeypot to gather as much data as it can from incoming VoIP calls, including the IP address and a recording of what the call was sending. Some operators of the offending networks are unaware that their VoIP systems have been hacked and are being used to place fraudulent calls.”]
Source: https://www.darkreading.com/attacks-breaches/voip-abuse-project-blacklists-attackers