GlassWire firewall software made by SecureMix LLC helps protect your computer, privacy, and data by monitoring your network activity. Block unknown network connections with GlassWire’s built-in firewall tool. GlassWire also helps you monitor and protect remote servers. Are you always worried about going over your ISP bandwidth limit? GlassWire can warn you before you hit your limit and also show you what applications are hogging all your bandwidth. GlassWire is a powerful network security tool.