Network Security comprises the practices and technologies designed to protect network infrastructure against unauthorized access, attacks, and threats.
What is Network Security?
Network Security is the implementation of security controls to protect network infrastructure, the data that transits through it, and connected resources.
Main Components
Access Controls
- Firewalls: Traffic filtering
- VPN: Secure connections
- NAC: Network access control
- Segmentation: Network division
Monitoring and Detection
- IDS/IPS: Intrusion detection
- SIEM: Event management
- Packet Analysis: Packet analysis
- Flow Analysis: Flow analysis
Data Protection
- Encryption: Protection of data in transit
- TLS/SSL: Secure communications
- IPSec: IP security
- DNSSEC: DNS security
Related Concepts
- Firewall - Perimeter security device
- VPN - Secure connection
- DNS - Name service
- TLS/SSL - Security in communications
- IPSec - IP security
- Zero Trust - Security model
- Defense in Depth - Protection strategy