Network security courses can help you learn about firewalls, intrusion detection systems, and encryption protocols. You can build skills in risk assessment, incident response, and vulnerability management. Many courses introduce tools like Wireshark for network analysis, Nessus for vulnerability scanning, and various security information and event management (SIEM) systems, showing how these skills are applied in practical work to protect networks from cyber threats.

Skills you'll gain: Malware Protection, Identity and Access Management, Incident Response, Cybersecurity, Computer Security Incident Management, Network Security, Threat Management, Cyber Attacks, Authentications, Distributed Denial-Of-Service (DDoS) Attacks, Security Awareness, Security Controls, Cyber Security Policies, Authorization (Computing), Multi-Factor Authentication, Human Factors (Security)
★ 4.6 (17K) · Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Network Security, Incident Response, Network Administration, Vulnerability Management, Cybersecurity, Contingency Planning, Cyber Governance, Cyber Attacks, Disaster Recovery, Cyber Security Policies, Security Management, Firewall, Business Continuity Planning, Computer Security Incident Management, Network Monitoring, Incident Management, General Networking, Cyber Security Strategy, Crisis Management, Risk Management
★ 4.7 (1.4K) · Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Attacks, Authentications, Incident Response, Security Awareness, Threat Management, Cyber Risk, Computer Security Incident Management, Data Security, Threat Detection, Network Security, Security Controls, Vulnerability Assessments, Encryption, Multi-Factor Authentication, AI Security, Cryptography, General Data Protection Regulation (GDPR)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Command-Line Interface, Virtualization and Virtual Machines, Network Security, Virtualization, Operating Systems, Hardware Troubleshooting, Information Technology Operations, Network Troubleshooting, Computer Hardware, Network Support, Cloud Computing, Mac OS, Security Controls, Microsoft Windows, Information Systems Security, System Configuration, Operating System Administration, Network Infrastructure, Data Storage, Peripheral Devices
★ 4.6 (293) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Digital Forensics, Incident Response, Penetration Testing, Incident Management, Cybersecurity, Threat Detection, Cyber Security Assessment, Vulnerability Assessments, Security Awareness, Threat Management, Malware Protection, Email Security, AI Security, Exploitation techniques, Vulnerability Management, Network Security, Payment Card Industry (PCI) Data Security Standards
★ 4.8 (1.6K) · Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Cybersecurity, Cyber Security Assessment, Human Factors (Security), Incident Response, Cyber Attacks, Cyber Security Strategy, Cyber Threat Intelligence, Security Management, Authentications, Vulnerability Assessments, Governance, Disaster Recovery, Computer Security Incident Management, Security Awareness, Threat Management, Threat Detection, Enterprise Security, Security Controls, Network Security, Risk Management
Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Human Factors (Security), Incident Response, Cyber Attacks, Security Management, Cybersecurity, Cyber Security Strategy, Governance, Disaster Recovery, Computer Security Incident Management, Threat Detection, Enterprise Security, Data Security, Governance Risk Management and Compliance, Computer Security Awareness Training, Security Controls, Security Awareness, Network Security, Risk Management, Social Skills, Business Strategies
Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Wireless Networks, Computer Networking, Local Area Networks, Telecommunications, Wide Area Networks, Internet Of Things, Network Infrastructure, Network Administration, Information Technology, Information Systems, TCP/IP, Network Security, Network Protocols, Digital Communications, Mobile Development, Mobile Development Tools, Business Technologies, IT Infrastructure, Systems Integration, Systems Administration
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Cyber Security Assessment, Cybersecurity, Vulnerability Assessments, Security Awareness, Cyber Attacks, Computer Security Awareness Training, Cyber Threat Intelligence, Cyber Risk, Cyber Security Strategy, Threat Modeling, Endpoint Security, Network Security, Threat Detection, Human Factors (Security), Security Management, Data Security, Malware Protection, Security Controls, Risk Management, Remote Access Systems
Beginner · Course · 1 - 3 Months

Skills you'll gain: Email Security, Public Key Infrastructure, Encryption, Network Security, Cryptography, IT Security Architecture, Cybersecurity, Endpoint Detection and Response, Hardening, Data Security, Cyber Threat Hunting, Cryptographic Protocols, Advanced Encryption Standard (AES), Key Management, Authorization (Computing), Cyber Attacks, Information Technology, Computer Security Incident Management, Cyber Security Strategy, Technical Support and Services
★ 4.8 (3.2K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Email Security, Cloud Infrastructure, Cloud Platforms, Cloud Computing, Generative AI, Cloud Computing Architecture, Generative AI Agents, Cloud Services, Cloud Development, Cybersecurity, Hardening, Data Storage, Peripheral Devices, Virtualization, Computer Hardware, OSI Models, General Networking, Database Administration, Programming Principles, Computer Programming
★ 4.7 (12K) · Beginner · Specialization · 3 - 6 Months
Skills you'll gain: IT Security Architecture, Computer Networking, Operating System Administration, Package and Software Management, Network Troubleshooting, Version Control, IT Automation, Systems Administration, IT Infrastructure, Network Administration, Information Systems Security, TCP/IP, Git (Version Control System), Chef (Configuration Management Tool), Network Security, General Networking, Ruby (Programming Language), Desktop Support, Web Presence, Interviewing Skills
★ 4.8 (216K) · Beginner · Professional Certificate · 3 - 6 Months