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: Security Controls, Continuous Monitoring, Security Management, Vulnerability Management, Authorization (Computing), Anomaly Detection
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Infrastructure Security, Cyber Attacks, Cyber Operations, Cyber Risk, Cyber Security Policies, Cyber Governance, Incident Response, Risk Management Framework, Technology Solutions, Legal Risk
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Anomaly Detection, AI Security, Cyber Security Strategy, Cyber Threat Intelligence, Threat Detection, Intrusion Detection and Prevention, Fraud detection, Cybersecurity, Applied Machine Learning, Malware Protection, Threat Modeling, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Network Analysis, Machine Learning, Machine Learning Algorithms, Model Evaluation, Artificial Neural Networks, MLOps (Machine Learning Operations), Data-Driven Decision-Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Threat Modeling, Network Security, Threat Management, Vulnerability Management, Intrusion Detection and Prevention, Hardening, Computer Security Incident Management, Security Management, Cyber Threat Intelligence, Cyber Attacks, Incident Response, Cybersecurity, Network Protocols, Bash (Scripting Language), Debugging, Linux, Interviewing Skills, Python Programming, SQL
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: System Monitoring, Computer Security Incident Management, Network Analysis, Data Integrity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Network Planning And Design, Cloud Computing Architecture, Virtual Networking, Network Troubleshooting, Network Infrastructure, Google Cloud Platform, Network Routing, Network Security, Network Monitoring, Firewall, Load Balancing, Scalability
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: AI Security, Responsible AI, Data Ethics, LLM Application, Generative AI, Google Gemini, Artificial Intelligence, Cloud Security, Governance Risk Management and Compliance, Cyber Security Strategy, Security Strategy, Artificial Intelligence and Machine Learning (AI/ML), Computer Security Awareness Training, Network Security, Security Management, Cyber Attacks, Cyber Security Policies, Natural Language Processing, Risk Management, Supply Chain
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Record Keeping, Security Testing, Data Management, Records Management, Cloud Computing Architecture, Authentications, Data Security, Firewall, Cyber Attacks, Cybersecurity, Malware Protection, System Testing, Cyber Threat Intelligence, Authorization (Computing), General Data Protection Regulation (GDPR), Generative Adversarial Networks (GANs), Active Directory, Data Ethics, AI Security
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Contingency Planning, Business Continuity Planning, Computer Security Incident Management, Security Management, Incident Response, Disaster Recovery, Data Centers, Incident Management, Security Controls, Information Systems Security, Infrastructure Security, Configuration Management, Data Security, Change Control, Digital Forensics
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, Responsible AI, Large Language Modeling, IT Security Architecture, Threat Modeling, Vulnerability Assessments, Threat Detection, Cybersecurity, Information Systems Security, Cyber Security Strategy, Security Strategy, Security Management, Cyber Attacks, Cloud Security, Security Awareness, Enterprise Security, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: File Management, Firewall, Linux Administration, Ubuntu, Hardening, Linux Servers, OS Process Management, Linux, Authentications, Zero Trust Network Access, Remote Access Systems, Data Security, User Accounts, Network Security, Linux Commands, Application Security, Security Strategy, Operating System Administration, Information Systems Security, IT Security Architecture
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Authentications, Incident Response, Cryptography, Security Controls, MITRE ATT&CK Framework, Malware Protection, Endpoint Security, Key Management, Authorization (Computing), Vulnerability Assessments, Telecommunications, Encryption, Threat Modeling, Risk Management, Application Security, Public Key Infrastructure, Asset Management, Cloud Security, OSI Models, Continuous Monitoring
Beginner · Specialization · 3 - 6 Months