Firewall
What is Firewall?
A guard that sits between your network and the internet, deciding which traffic is allowed through.
Why Firewall Matters
Every router has one — the question is whether it's configured for your setup. Poorly configured firewalls either block legitimate work or let threats walk right in.
Related Topics
Related Terms
Router
The device that directs traffic between your devices and the internet — your network's traffic controller.
NetworkingVPN (Virtual Private Network)
An encrypted tunnel that lets you connect to a network as if you were physically plugged into it — safely from anywhere, even on public Wi-Fi. Your traffic is encrypted between your device and the VPN server, so nobody on the same network can snoop on it.
SecurityVPN (Virtual Private Network)
An encrypted tunnel that lets you connect to a network as if you were physically plugged into it — safely from anywhere, even on public Wi-Fi. Your traffic is encrypted between your device and the VPN server, so nobody on the same network can snoop on it.
SecurityAntivirus
Software that scans your computer for viruses, trojans, spyware, and other malware, blocking threats before they cause harm. Compares files against known threat databases and monitors for suspicious behavior.
Security