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: File I/O, Java Programming, Data Persistence, Java, Code Reusability, Data Import/Export, File Management, Object Oriented Programming (OOP), Maintainability, OS Process Management, Scalability, Performance Tuning
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Debugging, Technical Communication, Network Troubleshooting, Performance Tuning, Problem Management, Technical Documentation, System Monitoring, Capacity Management, Incident Management, Memory Management, Continuous Integration, Continuous Monitoring
★ 4.6 (3.1K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Audit Working Papers, Stakeholder Communications, Technical Communication, Tax Compliance, Consulting, Tax Returns, Concision, Stakeholder Management, Stakeholder Engagement, File Management, Data Governance, Auditing, Technical Writing, Tax, Ethical Standards And Conduct, Requirements Analysis, Corporate Tax, ChatGPT, Communication, Microsoft Excel
Beginner · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Cybersecurity, Cryptography, Mobile Security, Cryptographic Protocols, Security Testing, Vulnerability Scanning, Application Security, Network Security, Operating Systems, Encryption, Hardening, Vulnerability Assessments, Computer Security, Web Applications
★ 4 (20) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: User Research, Design Thinking, UI/UX Research, Usability Testing, Design Research, User Interface and User Experience (UI/UX) Design, Wireframing, User Interface (UI), Usability, User Experience, Mockups, User Experience Design, Persona (User Experience), User Interface (UI) Design, Prototyping, Figma (Design Software), Interaction Design, User Flows, Software Documentation, Persona Development
★ 3.6 (16) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Agentic systems, Retrieval-Augmented Generation, Agentic Workflows, AI Workflows, Prompt Patterns, Responsible AI, Generative AI Agents, AI Security, AI Enablement, JSON, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Embeddings, AI Personalization, Application Programming Interface (API), Vector Databases, Knowledge Transfer, Integration Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Docker (Software), Kubernetes, Containerization, OAuth, Istio, Microservices, Spring Framework, API Gateway, Spring Boot, Cloud-Native Computing, Restful API, CI/CD, Authentications, Prometheus (Software), Application Programming Interface (API), Data Persistence, Software Architecture, Java, Solution Architecture, Resilience
Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Cloud Security, Compliance Management, Cloud Management, Security Strategy, Regulatory Compliance, Security Management, Governance Risk Management and Compliance, Cloud Computing, Cloud Platforms, Microsoft Azure, Personally Identifiable Information, Business Continuity, Business Continuity Planning, Cyber Governance, Control Objectives for Information and Related Technology (COBIT), Law, Regulation, and Compliance, Cloud Standards, Data Security, Threat Detection, Data Management
★ 4.8 (180) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Security Incident Management, Vulnerability Assessments, Cyber Operations, Cyber Threat Intelligence, Cybersecurity, Cyber Attacks, Cyber Security Strategy, IT Security Architecture, MITRE ATT&CK Framework, Cyber Threat Hunting, Threat Detection, Cyber Security Assessment, Network Security, Security Information and Event Management (SIEM), DevSecOps, Malware Protection, Security Management, Cloud Security, Encryption, Authentications
★ 4.4 (29) · Intermediate · Specialization · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Bayesian Network, Computational Logic, Program Development, Artificial Intelligence, Markov Model, Artificial Intelligence and Machine Learning (AI/ML), Algorithms, Computational Thinking, AI powered creativity, Creativity, Game Theory, Theoretical Computer Science, Generative AI Agents, Software Development, Generative AI, Python Programming, Applied Machine Learning, Social Sciences, Machine Learning, Model Optimization
★ 4.6 (685) · Intermediate · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Java Programming, Dataflow, Java, Distributed Computing, Programming Principles, Application Frameworks, Algorithms, Performance Tuning, Functional Design, Scalability
★ 4.6 (1.2K) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Email Marketing, Data-Driven Marketing, Marketing Automation, Marketing Operations, Copywriting, A/B Testing, Information Privacy, Campaign Management, Data-Driven Decision-Making, Email Security, Target Audience, Conversion Funnel Analysis, Content Optimization, HubSpot CRM, General Data Protection Regulation (GDPR), Customer Data Management, Content Performance Analysis, Email Automation, Compliance Management, Marketing Analytics
Beginner · Specialization · 3 - 6 Months