The Short Version
Firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization’s previously established security policies.
The Everyday Analogy
Think of it like a security guard standing at the front door checking who is allowed to enter.
Why it matters
Understanding this concept is crucial for protecting your digital identity and recognizing modern cyber threats before they cause damage.
Other Dictionary Terms
Botnet
A network of infected computers controlled by a single attacker, often without the owners knowing.
Dictionary TermThe Dark Web
A part of the internet that isn't indexed by search engines and requires specific software, configurations, or authorization to access.
Dictionary TermDDoS Attack
A malicious attempt to disrupt the normal traffic of a targeted server by overwhelming the target with a flood of internet traffic.