| Aspect | Internet Security | Network Security |
|---|
| Certifications | CompTIA Security+, CISSP, CEH | CompTIA Security+, CISSP, Cisco CCNA Security |
| Work Environment | Protects online systems, cloud services, and internet-facing applications | Secures internal and external networks, including LANs and WANs |
| Industry Usage | Used by cybersecurity professionals focusing on online threats and internet-based assets | Used by network administrators managing organizational network infrastructure |
Internet Security focuses on protecting online systems, cloud services, and internet-facing applications from cyber threats. Network Security concentrates on safeguarding organizational networks, including LANs and WANs, from unauthorized access and attacks. While both fields overlap, Internet Security emphasizes online threat mitigation, whereas Network Security centers on securing network infrastructure.