Detect hidden threats
with GlassWire's Firewall

Instantly see your current & past network activity.
Detect malware, & block badly behaving apps.

“…identify problematic
or malicious application”
4.5 “Beautifully informative”
Free download
“…brings attention to suspicious
Internet activities”
“Who is your computer
talking to?”
Graph
GlassWire Firewall Software

Privacy & Security Features

  • Instantly see who or what your PC is talking to on GlassWire's network monitoring graph, plus see what your PC may have connected to in the past.
  • Detect spyware, malware, badly behaving apps, and bandwidth hogs, then block their connections.
  • GlassWire warns you of network related changes to your PC, or unusual changes to your apps that could indicate malware.
  • Monitor other PCs on your network and get alerted when new unknown devices join your WiFi.
GlassWire Network Monitor

Network Data Usage Monitoring

  • Keep track of your data usage on your PC or mobile phone and get alerted before going over data limits.
  • Go back in time with GlassWire's network time machine to see what your PC was doing while you were away.
  • Get alerted every time a new app accesses the network, and block it if necessary.
  • See detailed network usage statistics broken down by IP/Host, app, network traffic types, and more.
GlassWire Data Usage
GlassWire Personal Firewall

Personal Firewall Software

  • Allow Deny Firewall
    Turn on "Ask to connect" mode to allow or deny new app connections.
  • Set up custom firewall profiles for different scenarios.
  • See what IP addresses your apps are connecting to, and instantly see what countries those hosts are in.
Android

Try GlassWire for Android

Get
Cybersecurity News

Learn new ways to protect your computer and phone from online threats.