Firewall
A firewall is a critical network security device designed to monitor, filter, and control incoming and outgoing traffic based on predefined security rules. It serves as a protective barrier between internal networks and external threats, ensuring data integrity, confidentiality, and availability.
✅ Key Features:
Traffic Filtering & Control – Blocks unauthorized access while allowing legitimate communication
Threat Detection & Prevention – Identifies and mitigates cyber threats in real-time
Network Segmentation – Improves security by isolating different parts of the network
VPN Support – Enables secure remote access for employees and partners
Logging & Monitoring – Provides detailed reports on network activity for security analysis
Types of Firewalls:
Hardware Firewalls – Standalone security appliances for enterprise and business networks
Software Firewalls – Installed on individual devices for endpoint protection
Cloud Firewalls – Scalable, cloud-based protection for modern IT infrastructures
Next-Generation Firewalls (NGFWs) – Advanced firewalls with deep packet inspection, intrusion prevention, and application control
Usage: Firewalls are essential for securing business networks, data centers, and home environments, protecting against cyber threats such as malware, hacking attempts, and unauthorized access.