Firewall
What is a Firewall?
A firewall is a network security system that monitors and controls incoming and outgoing traffic based on predefined security rules. It acts as a barrier between trusted internal networks and untrusted external sources, such as the internet. Firewalls help prevent unauthorized access, cyberattacks, and data breaches by allowing safe traffic while blocking malicious activity. They can be hardware-based, software-based, or a combination of both, and are a fundamental component of an organization’s overall cybersecurity strategy.
Why is a Firewall Important?
A firewall is important because it serves as the first line of defense against cyber threats. It protects networks and systems by blocking unauthorized access, malware, and malicious traffic while allowing legitimate communication to pass through. Firewalls help prevent data breaches, reduce the risk of cyberattacks, and enforce security policies. They also support compliance with security standards and regulations. By monitoring and controlling network traffic, firewalls play a critical role in maintaining the confidentiality, integrity, and availability of an organization’s data and systems.
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