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: Network Analysis, Network Security, Cyber Operations, Intrusion Detection and Prevention, MITRE ATT&CK Framework, Cybersecurity, Threat Detection, Network Monitoring, Penetration Testing, Anomaly Detection, Brute-force attacks, Scripting, Authentications, Vulnerability Assessments, Python Programming, Data Access, System Monitoring, Systems Analysis, Automation
★ 4.5 (80) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Security Controls, Threat Management, Cybersecurity, Threat Detection, Cyber Threat Intelligence, Zero Trust Network Access, Cyber Attacks, Application Security, Cyber Risk, Computer Security, Information Systems Security, Data Security, Network Security, Encryption, Multi-Factor Authentication, Cryptography, Authorization (Computing), Identity and Access Management
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Linux, Command-Line Interface, Penetration Testing, General Networking, Cybersecurity, Data Ethics, Vulnerability Scanning, Network Security, System Configuration, Software Installation, Virtual Machines
★ 4.3 (36) · Beginner · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Transportation Operations, Transportation Management, Network Analysis, Operations Research, Systems Analysis, Operational Analysis, Analysis, Demand Planning, Mathematical Modeling, Econometrics, Markov Model, Behavioral Economics, Economic Development, Economics, Policy, and Social Studies, Cost Benefit Analysis, Market Dynamics, Customer Demand Planning, Probability, Social Impact, Model Evaluation
★ 4.7 (783) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Identity and Access Management, Authentications, AWS Identity and Access Management (IAM), User Provisioning, OAuth, User Accounts, Security Controls, Role-Based Access Control (RBAC), Authorization (Computing), Single Sign-On (SSO), Cryptographic Protocols
★ 4.7 (24) · Intermediate · Course · 1 - 4 Weeks
Oracle
Skills you'll gain: Oracle Cloud, Generative AI, Large Language Modeling, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), ChatGPT, Cloud Services, Cloud Solutions, Cloud Computing, Cloud Infrastructure, Deep Learning, Prompt Engineering, Artificial Neural Networks, Natural Language Processing, Enterprise Resource Planning, Application Deployment, Python Programming, Supply Chain Management, Customer Relationship Management (CRM) Software, Human Capital
★ 4.8 (46) · Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: AI Security, Cybersecurity, Cyber Threat Intelligence, Cyber Attacks, Fraud detection, Email Security, Threat Detection, Jupyter, Authentications, Machine Learning Algorithms, Artificial Intelligence, Anomaly Detection, Natural Language Processing, Machine Learning
★ 4.2 (94) · Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Statistical Process Controls, Process Control, Semiconductors, Quality Assurance, Verification And Validation, Electronics Engineering, Manufacturing Operations, Manufacturing Processes, Electronics, Process Improvement, Process Analysis, Product Testing, Reliability, Electronic Components, Electronic Systems, Computer Hardware, Computer Architecture, Thermal Management, Scalability, Systems Integration
★ 4.7 (248) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Intercultural Competence, Healthcare Ethics, Cultural Diversity, Public Health and Disease Prevention, Stress Management, Safety Training, Preventative Care, Injury Prevention, Occupational Health, Public Health, Safety and Security, Ethical Standards And Conduct, Adaptability, Infectious Diseases, Emergency Response, Mental Health, Planning
★ 4.7 (465) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Computer Security Incident Management, Vulnerability Management, Incident Response, Identity and Access Management, Cybersecurity, Security Controls, Vulnerability Assessments, Mobile Security, Intrusion Detection and Prevention, Hardening, Threat Detection, Application Security, Information Systems Security, Threat Management, Digital Forensics, Network Security, Wireless Networks, Authentications, Authorization (Computing), Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Microsoft Copilot, Regulation and Legal Compliance, Data Ethics, Generative AI, Responsible AI, Data Governance, Microsoft 365, Sales Enablement, Marketing Automation, Customer experience improvement, Business Process Automation, Compliance Management, AI Security, Customer Service, Information Privacy, Microsoft Office, Artificial Intelligence and Machine Learning (AI/ML), Productivity Software, Critical Thinking
★ 4.5 (179) · Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Cybersecurity, Threat Management, Security Controls, Threat Detection, Cyber Security Policies, Security Awareness, Computer Security Awareness Training, Cyber Risk, Cyber Security Assessment, Data Security, Network Security, Enterprise Security, Information Assurance, Incident Response, Data Integrity
★ 4.8 (62) · Beginner · Course · 1 - 4 Weeks