The backdoor could allow agents, employers or third parties to listen in on conversations...
The GCHQ has developed VoIP encryption tools with a built-in backdoor, allowing both authorities and third parties to listen in on conversations.
The backdoor is embedded into the MIKEY-SAKKE encryption protocol and has a 'key escrow' built in, allowing those with authority - whether an employer or government agency - to access it if a warrant or request is made.
The backdoor was uncovered by Dr Steven Murdoch, a security researcher from the University of London, who wrote a blog about the potential snooping tool. more