Definition, Meaning & Synonyms
firewall
noun
/ˈfaɪərwɔːl/
Definition
A firewall is a security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Examples
- The company installed a new firewall to protect its sensitive data from online attacks.
- Make sure your firewall is enabled to safeguard your device from potential threats.
Meaning
It acts as a barrier between a trusted internal network and untrusted external networks, such as the internet, to prevent unauthorized access and threats.
Synonyms
- Network security
- Intrusion prevention system
- Securities system
