Sipera Systems, a VoIP security solutions company, said users of VoIP services and equipment from Vonage, Globe7 and Grandstream were vulnerable to eavesdropping, spam, spoofing, and denial-of-service (DoS) attacks.
...the Globe7 VoIP Client does not use a secure connection, making it possible for an attacker to eavesdrop on calls, according to Sipera. (more) (threat advisory list)
