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.

Columbia University
Skills you'll gain: Project Schedules, Production Schedule, Project Risk Management, Scheduling, Risk Management, Construction Management, Timelines, Lean Methodologies, Construction, Production Planning, Project Estimation, Diagram Design, Project Management Software, Dependency Analysis, Probability & Statistics
★ 4.8 (2.3K) · Beginner · Course · 3 - 6 Months

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Development Testing, Software Testing, Debugging, Software Development, Python Programming
★ 4.4 (61) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Content, Social Media, Facebook, Content Creation, Marketing Materials, Social Media Marketing, Instagram, Dashboard, Graphic Design, Brand Management, Digital Marketing
★ 4.5 (1.4K) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Business Transformation, Site Reliability Engineering, Innovation, Digital Transformation, Cloud Infrastructure, Culture Transformation, Technology Strategies, Cloud Security, Continuous Delivery, Cloud Platforms, Data Mapping, Safety Culture, Cloud Hosting, Cloud Computing Architecture, Organizational Change, Cloud Solutions, Change Management, Continuous Deployment, People Management, Organizational Development
★ 4.7 (2.6K) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Java Programming, Java, OS Process Management, Maintainability, Performance Tuning, Scalability, Data Sharing, Software Design, Data Integrity
Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: PHP (Scripting Language), MySQL, Database Application, Database Development, Object Oriented Programming (OOP), Database Management, Secure Coding, Authentications, Web Applications, SQL, Network Protocols
★ 4.8 (1.1K) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Record Keeping, Document Management, Accounting Records, Records Management, File Management, Compliance Management, Regulatory Compliance, Document Control, Regulatory Requirements, Regulation and Legal Compliance, Auditing, Financial Regulations, Data Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Audit Planning, Service Level Agreement, Data Governance, Systems Development Life Cycle, Data Loss Prevention, Security Testing, Network Security, Software Development Life Cycle, IT Management, Systems Development, Incident Management, IT General Controls (ITGC), Problem Management, Change Control, Control Objectives for Information and Related Technology (COBIT), Cryptography, Cloud Management, Generally Accepted Auditing Standards, Auditing, Internal Controls
★ 4.7 (73) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Lakes, Data Pipelines, Data Integration, Apache Airflow, Performance Tuning, Data Security, Data Architecture, Data Transformation, Apache Spark, Disaster Recovery, Data Warehousing, Cloud Infrastructure, SQL, Infrastructure as Code (IaC), Database Architecture and Administration, PySpark, Terraform, Extract, Transform, Load, Cloud Computing, Data Governance
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Operating System Administration, IT Security Architecture, TCP/IP, Systems Administration, Network Troubleshooting, IT Infrastructure, File Systems, OSI Models, Cybersecurity, Cyber Attacks, Network Security, Network Protocols, Microsoft Windows, Computer Networking, Operating Systems, Lightweight Directory Access Protocols, Desktop Support, Technical Support, Technical Support and Services, End User Training and Support
★ 4.9 (997) · Beginner · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Restful API, Web Services, Hypertext Markup Language (HTML), HTML and CSS, Java Platform Enterprise Edition (J2EE), Software Design, Java, Extensible Markup Language (XML), Application Programming Interface (API), API Design, Object Oriented Design, Software Design Patterns, Software Architecture, Web Design, Web Design and Development, Web Applications, Front-End Web Development, Web Development, Program Development
★ 4.2 (32) · Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Large Language Modeling, Email Security, Exploitation techniques, AI Security, Border Gateway Protocol, Malware Protection, Mobile Security, LLM Application, Cybersecurity, Routing Protocols, Network Security, Open Web Application Security Project (OWASP), Network Monitoring, Intrusion Detection and Prevention, Security Controls, Threat Detection, TCP/IP, Network Analysis, Internet Of Things, Responsible AI
★ 4.1 (14) · Intermediate · Specialization · 3 - 6 Months