MCLEAN, Va.--(BUSINESS WIRE)--GTT Communications, Inc. (NYSE: GTT), the leading global cloud networking provider to multinational clients, today announced the launch of Managed Secure Access to GTT’s portfolio of cloud networking services. Managed Secure Access provides enterprises of all sizes with secure access to their corporate network applications such as email, web server, and file sharing from anywhere, anytime on any device. GTT’s Managed Secure Access is designed to meet the increasing