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: Disaster Recovery, Server Administration, Windows Servers, Servers, Network Troubleshooting, Linux Servers, Virtualization, Hardware Troubleshooting, Operating System Administration, Virtual Machines, IT Automation, Remote Access Systems, Security Controls, Networking Hardware, System Support, Computer Hardware, Data Storage, Data Security
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Responsible AI, AI Workflows, AI Orchestration, Agentic systems, Generative AI Agents, Artificial Intelligence, Coordination, AI Security, Data Ethics, Governance, Systems Architecture, Software Architecture, Scalability, Regulatory Compliance, Communication Strategies, Communication
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Encryption, Web Applications, Business Process, Distributed Computing, Digital Assets, Transaction Processing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Business Continuity, Disaster Recovery, Cybersecurity, Security Management, Computer Security Incident Management, Crisis Management, Information Assurance
Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Session Initiation Protocols, System Configuration, Collaborative Software, Configuration Management, Network Administration, Telecommunications, Communication Systems, Systems Integration, Scalability, Digital Communications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, Network Security, Network Analysis, Network Protocols, Open Source Technology
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Cyber Security Policies, Security Engineering, Information Systems Security, Cybersecurity, Security Awareness, Threat Modeling, Policy Analysis, Political Sciences, Vulnerability Assessments, Public Policies, Human Factors, Human Computer Interaction, Usability, Software Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Social Media Marketing, Target Audience, Social Media Strategy, Social Media, Persona Development, Smart Goals, Key Performance Indicators (KPIs), Social Media Management, Digital Media Strategy, Marketing, Marketing Strategies, Facebook, Marketing Channel, Instagram, Digital Marketing
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Agentic systems, Collaborative Software, System Design and Implementation, Interoperability, Coordination, Communication Systems, Network Protocols, Workflow Management, Case Studies, Scalability
Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Graph Theory, Logical Reasoning, Combinatorics, Computational Logic, Deductive Reasoning, Cryptography, Probability, Computational Thinking, Encryption, Probability Distribution, Network Analysis, Public Key Cryptography Standards (PKCS), Theoretical Computer Science, Bayesian Statistics, Python Programming, Data Structures, Cybersecurity, Algorithms, Arithmetic, Visualization (Computer Graphics)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Vulnerability Management, Threat Modeling, Open Web Application Security Project (OWASP), Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Stakeholder Communications, Vulnerability Assessments, Threat Detection, Hardening, Network Security, Security Controls, Threat Management, Security Information and Event Management (SIEM), TCP/IP, Risk Management Framework, Linux, Debugging, Cybersecurity, SQL
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Lightweight Directory Access Protocols, Splunk, System Monitoring, Role-Based Access Control (RBAC), Authentications, Data Storage, Data Management, Enterprise Security, Disaster Recovery, Identity and Access Management, Data Integrity, User Accounts, Dataflow, Data Security, System Configuration, Configuration Management
Mixed · Course · 1 - 3 Months