Networking & Security refers to the combined disciplines of building reliable computer networks and implementing measures to protect data, systems, and infrastructure from cyber threats. This skill encompasses configuring network devices such as routers and switches, managing network traffic, and ensuring secure communication across local and wide area networks.
Professionals in this field apply security principles to safeguard information assets, detect vulnerabilities, and respond to incidents. Common responsibilities include setting up firewalls, virtual private networks (VPNs), intrusion detection systems (IDS), and enforcing access controls. They also conduct risk assessments, monitor for suspicious activity, and ensure compliance with security standards like ISO 27001 or NIST.
- Configure and maintain network infrastructure devices
- Implement encryption and authentication protocols
- Monitor networks for security breaches and anomalies
- Apply patches and updates to mitigate vulnerabilities
- Design secure network architectures for scalability and resilience
- Respond to security incidents and perform forensic analysis
Networking & Security is essential in industries such as finance, healthcare, government, and information technology, where data integrity and confidentiality are critical. Roles that commonly require this skill include network administrators, cybersecurity analysts, information security officers, and systems engineers. Expertise typically includes knowledge of TCP/IP, DNS, DHCP, VLANs, network segmentation, and security frameworks, along with experience using tools like Wireshark, Cisco ASA, Palo Alto firewalls, and SIEM platforms.