Secure Web Gateway
With Trustwave’s award-winning and industry-leading Secure Web Gateway, organizations can detect malware on the fly without relying on signatures, gain zero-day protection against advanced threats and enable the safe and secure use of applications such as Facebook, Twitter and Gmail — all while.
Source: https://www.gsa.gov/portal/mediaId/131294/fileName/GSA_CDM_ProductGuide_2016-03-11d.action