In July 2013 the Defuse Security Group reported the proprietary encryption used in Synergy 1.6 to be insecure and released an exploit which could be used to passively decrypt the commands sent to the Synergy 1.6 clients.
In July 2013 the Defuse Security Group reported the proprietary encryption used in Synergy 1.6 to be insecure, which was solved by using SSL in 1.7. The security group, Defuse, released an exploit which could be used to passively decrypt the commands sent to the Synergy 1.6 clients.