How to enhance security in the networking field continues to be a burning issue.As the zero trust versus virtual private network debate continues to make airwaves, Cisco Systems Inc. looks at the other side of the coin, joining the two so that users are freed from the plumbing headache, according to Tom Gillis (pictured), senior vice president and general manager of the Security Business Group at Cisco.“You can get some of the apps into a zero-trust framework, and others have to live in a VPN,” he said. “We put the burden on the user to know the difference. The choice of VPN versus zero-trust tunnel, that’s plumbing