What is LAN vs WAN?
A LAN connects computers in a small area (like a home). A WAN connects networks across a large area (like the Internet).
Why it matters
Understanding this concept helps in grasping how modern networks and security systems operate, providing a foundation for more advanced topics.
Real-world Analogy
Like the intercom system inside a single building (LAN) vs the global telephone network (WAN).
Other Dictionary Terms
Access Control List (ACL)
A list of rules that specifies which users or systems are granted or denied access to a particular object or system resource.
Dictionary TermAdvanced Persistent Threat (APT)
A stealthy threat actor, typically a nation state or state-sponsored group, which gains unauthorized access to a computer network and remains undetected for an extended period.
Dictionary TermARP Spoofing
A type of attack in which a malicious actor sends falsified ARP (Address Resolution Protocol) messages over a local area network.