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.

The University of Melbourne
Skills you'll gain: Financial Analysis, Financial Statement Analysis, Financial Statements, Corporate Finance, Financial Management, Portfolio Risk, Accounting, Financial Systems, Financial Modeling, Investments, Capital Markets, Market Liquidity, Balance Sheet, Derivatives, Financial Market, Income Statement, Financial Data, Financial Reporting, Business Valuation, International Finance
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Mainframe Computing, z/OS, Virtualization, IBM Cloud, Virtual Machines, Infrastructure Architecture, Computer Architecture, Enterprise Security, Computer Systems, Computer Hardware, Cryptography, System Configuration, Process Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Cybersecurity, Cyber Attacks, Cyber Security Assessment, Threat Modeling, Threat Detection, Intrusion Detection and Prevention, Exploitation techniques, Security Management, Network Security, Digital Forensics, Network Analysis
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Cyber Governance, Cyber Risk, Cyber Security Assessment, Security Strategy, Cyber Security Policies, Security Management, Security Awareness, Threat Modeling, Information Privacy, Infrastructure Security, Risk Management, Vulnerability Assessments
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Digital Forensics, File Systems, Microsoft Windows, Cybersecurity, Network Protocols, Information Systems Security, File Management, Operating Systems, Data Structures, General Networking, Data Validation, Record Keeping, Data Integrity, Data Storage, Data Analysis Software, User Accounts, USB, Encryption, System Configuration, Command-Line Interface
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Azure, Identity and Access Management, Cloud Infrastructure, Cloud Computing, Cloud Computing Architecture, Cloud Deployment, Virtual Machines, Kubernetes, Role-Based Access Control (RBAC), Virtual Networking, Cloud Management, Windows PowerShell, Load Balancing, Security Information and Event Management (SIEM), Command-Line Interface, Network Security, Scalability
Beginner · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Threat Modeling, Threat Management, Cyber Threat Intelligence, Vulnerability Management, Cybersecurity, Cyber Security Strategy, Threat Detection, Vulnerability Assessments, Intrusion Detection and Prevention, Network Security, Cyber Attacks, Hardening, Patch Management, Continuous Monitoring, Configuration Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Architecture, Data Infrastructure, Distributed Computing, Data Modeling, Scalability, Data Management, Data Strategy, Microservices, Solution Architecture, Data Governance, Software Architecture, Semantic Web, Data Integration, Information Architecture, CI/CD, Software Design, Maintainability, Enterprise Architecture, Data Analysis, Generative AI
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Computer Security Incident Management, NIST 800-53, Digital Forensics, Security Controls, Disaster Recovery, Authorization (Computing), Risk Analysis, Business Risk Management, Security Management, Continuous Monitoring, Change Control, Cybersecurity, Threat Management, Risk Management, System Monitoring, Security Strategy, Cyber Risk, Vulnerability Assessments, Cyber Security Policies, Vulnerability Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Threat Detection, Cyber Threat Intelligence, Threat Management, Vulnerability Assessments, Incident Response, Vulnerability Scanning, Cyber Security Assessment, Cybersecurity, Security Strategy, Risk Mitigation, Emergency Response, Network Analysis, Technical Writing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, ASP.NET, JavaScript Frameworks, C# (Programming Language), Application Programming Interface (API), Web Applications, Full-Stack Web Development, Restful API, Cloud Deployment, .NET Framework, Microsoft Azure, Back-End Web Development, Object-Relational Mapping, Application Frameworks, Network Routing, Cloud Applications, Server Side, Javascript, Application Deployment, Authentications
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Routing Protocols, Virtual Private Networks (VPN), Network Troubleshooting, Open Shortest Path First (OSPF), Network Engineering, Network Routing, Border Gateway Protocol, TCP/IP, Multiprotocol Label Switching, Network Administration, Network Security, Network Monitoring, Network Performance Management, Dynamic Host Configuration Protocol (DHCP), Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks