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, Intranet, Content Management Systems
Beginner · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Email Security, Productivity Software, Microsoft Outlook, File Management, Collaborative Software, Presentations, Microsoft Teams, Google Docs, Calendar Management, Microsoft PowerPoint, Control Panels, Gmail, Slack (Software), Microsoft Office, Microsoft Word, Spreadsheet Software, Setting Appointments, Google Workspace, Google Sheets, Software Installation
Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Networking Hardware, Network Infrastructure, Network Routers, General Networking, Network Switches, Network Protocols, Network Architecture, Cloud Infrastructure, Wireless Networks, Network Administration, Local Area Networks, Wide Area Networks, Infrastructure Security, Emerging Technologies, Telecommunications, Communication Systems, Distributed Computing, Python Programming, Machine Learning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Software Design Patterns, Node.JS, Event-Driven Programming, Object Oriented Design, Software Design, Software Architecture, Javascript, Object Oriented Programming (OOP), Systems Design, Maintainability, Middleware, Performance Tuning, Real-Time Operating Systems, Scalability, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Services, Cloud Platforms
Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: International Finance, Derivatives, Financial Systems, Balance Sheet, Financial Market, Payment Systems, Banking, Capital Markets, Economics, Market Liquidity, Financial Regulation, Finance, Market Dynamics
Mixed · Course · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Blockchain, Digital Assets, Emerging Technologies, FinTech, Payment Systems, Distributed Computing, Data Security
Mixed · Course · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: Social Media Management, Information Privacy, Computer Security Awareness Training, Cybersecurity, Information Technology, Malware Protection, Online Advertising, Social Media, Digital Marketing, Personally Identifiable Information, Security Awareness, Digital Content, E-Commerce, Web Content, Professional Networking
Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Cybersecurity, Cyber Security Policies, Computer Security Awareness Training, Cyber Attacks, Cyber Threat Intelligence, Personally Identifiable Information, Information Privacy, Data Ethics, Authentications, General Data Protection Regulation (GDPR), Human Factors (Security), NIST 800-53, Identity and Access Management
Beginner · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Payroll Tax, Payroll, Payroll Systems, Payroll Processing, Payroll Administration, Payroll Reporting, Tax Compliance, Tax Management, Labor Compliance, Compensation Management, Human Resources Information System (HRIS), Non-Profit Accounting, Data Entry, Income Tax, Workforce Management, Customer Service, Benefits Administration, Labor Law, Specialized Accounting, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months
Skills you'll gain: Apache Kafka, Data Pipelines, Real Time Data, Apache Spark, Event-Driven Programming, Distributed Computing, Software Architecture, Performance Tuning, Real-Time Operating Systems, Application Deployment, Systems Architecture, Scalability, Data Processing, System Monitoring, Architecture and Construction, Data Transformation, Performance Management
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Gemini, Generative AI Agents, Command-Line Interface, Model Context Protocol, Application Development, Code Review, Development Environment, Software Installation, Application Security
Beginner · Course · 1 - 4 Weeks