What is ARP Spoofing?
A type of attack in which a malicious actor sends falsified ARP (Address Resolution Protocol) messages over a local area network.
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 someone replacing the nametags on everyone’s desks in the office, so when mail is delivered to ‘John’, it goes to the scammer instead.
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 TermBotnet
A network of infected computers controlled by a single attacker, often without the owners knowing.