Connecting to Steam
You also see a new "unidentified" device on your local network. Wait, is that your roommate’s phone or a neighbor’s hacked camera? GlassWire shows you each device’s traffic. You block the unknown MAC address.
You install GlassWire (free version). Within 2 minutes, you get a timeline graph of your last 24 hours of traffic. You see a massive blue spike at 3:00 AM—that’s your PC waking from sleep to download Windows updates. monitor network traffic windows 11
But who is the culprit?