Security Researchers demonstrate ease of hacking into conference phones to listen in to board meetings. Security researchers at Context Information Security have shown that some conference phone systems might be at risk from hackers. The Context team managed to gain root access and take full control of a Mitel MiVoice Conference and Video Phone (also known as the Mitel UC360) Researchers disable the mute button so that private discussions could be heard by everyone on a call and maintain a remote backdoor into the network environment. At present, the following mitigations should be applied to prevent the attack.”]
Source: https://informationsecuritybuzz.com/articles/context-warns-cyber-spy-boardroom/