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: Agentic systems, Responsible AI, Compliance Management, Governance, Regulatory Compliance, Artificial Intelligence, Risk Analysis, Case Studies, Business Ethics, Ethical Standards And Conduct, Risk Management, Accountability, Regulatory Requirements
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Network Troubleshooting, Network Administration, Network Security, Network Architecture, TCP/IP, Network Routers, Computer Networking, Network Routing, Virtual Local Area Network (VLAN), Dynamic Host Configuration Protocol (DHCP), Wireless Networks, Local Area Networks, Network Switches, Networking Hardware, Network Infrastructure, IT Automation, Network Protocols, Routing Protocols, Hardware Troubleshooting, Network Model
Beginner · Specialization · 1 - 3 Months

The University of Melbourne
Skills you'll gain: Financial Systems, Capital Markets, Market Liquidity, Financial Market, Corporate Finance, International Finance, Financial Regulation, Market Dynamics, Market Analysis, Governance, Risk Management, Economic Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Active Directory, Microsoft Azure, Multi-Factor Authentication, Authentications, User Accounts, Security Engineering, Authorization (Computing), Identity and Access Management, User Provisioning, Single Sign-On (SSO), Hybrid Cloud Computing, Self Service Technologies
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Application Security, Vulnerability Assessments, Vulnerability Management, Event Monitoring, Security Controls, Data Integrity, System Monitoring, Patch Management, Server Side
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Plotly, Interactive Data Visualization, Data Presentation, Data Visualization Software, R Programming, Data Mapping, Statistical Reporting, Software Documentation, Web Applications, Package and Software Management
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, Application Deployment, Web Development, Full-Stack Web Development, Cloud API, Application Development, Software Documentation, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, Google Cloud Platform, Microsoft Azure, Azure Active Directory, Cloud Computing Architecture, Virtual Private Networks (VPN), Virtual Networking, User Accounts, Network Security, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generally Accepted Accounting Principles (GAAP), Bookkeeping, Accruals, Accounting, Accounting Records, General Accounting, Regulatory Compliance, Revenue Recognition, Journals
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Azure, Cloud Security, Data Security, Network Security, Cloud Applications, Authorization (Computing), Role-Based Access Control (RBAC), Application Security, Microsoft SQL Servers, Web Applications, Database Application, Cloud Development, Azure Active Directory, Firewall, Relational Databases, Cloud Management, Key Management, Threat Detection, Authentications, Encryption
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Loans, Lending and Underwriting, Blockchain, Commercial Lending, Derivatives, FinTech, Market Liquidity, Financial Trading, Securities (Finance), Digital Assets, Liquidation, Transaction Processing, Asset Management, Arbitration, Portfolio Management, Governance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Medical Office Procedures, Clinic Management Systems, Calendar Management, Scheduling, Patient Flow, Medical Terminology, Medical Records, Health Care Administration, Patient Communication, Continuous Quality Improvement (CQI), Data Integrity, Quality Assurance
Beginner · Course · 1 - 4 Weeks