Gartner Report From 2010 to 2018
Firewall Gartner Report 2010-2018 : https://drive.google.com/open?id=1QRgrRTnwIAY7ucYC56yPMb13ZIdixzRl Endpoint Gartner Report 2010-2018: https://drive.google.com/open?id=1dsEYFvepd_z2qNswtsxF7zNllLewnI9T
Gartner Report