DDoS and bot prevention system.
https://www.barracuda.com/products/webapplicationfirewall
Analytics and Tracking · Fraud Prevention
Get access to data on 16,745 websites that are Barracuda Web App Firewall Customers. We know of 9,687 live websites using Barracuda Web App Firewall and an additional 7,058 sites that used Barracuda Web App Firewall historically and 7,828 websites in the United States.
Get a list of 16,745 websites using Barracuda Web App Firewall which includes location information, hosting data, contact details, 9,687 currently live websites and an additional 16,876 domains that redirect to sites in this list. 7,058 sites that used this technology previously and 7,828 websites in the United States currently using Barracuda Web App Firewall.