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: Database Administration, Relational Databases, Database Management, Database Architecture and Administration, MySQL, Database Systems, IBM DB2, Operational Databases, PostgreSQL, Stored Procedure, Data Storage Technologies, Disaster Recovery, Role-Based Access Control (RBAC), Performance Tuning, Authentications, User Accounts
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Cyber Threat Intelligence, Cyber Attacks, Cyber Threat Hunting, Cyber Security Strategy, Information Systems Security, Threat Detection, Network Security, Security Information and Event Management (SIEM), Security Management, Threat Management, MITRE ATT&CK Framework, Security Controls, Incident Response, Vulnerability Assessments, Cloud Security, Vulnerability Management, Vulnerability, Encryption, Configuration Management
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, SQL, Database Management, Data Access, Databases, Database Systems, Java, Java Programming, JUnit
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Information Systems Security, Cyber Security Policies, Data Ethics, Cyber Governance, Application Security, Cyber Risk, Computer Security, General Data Protection Regulation (GDPR), Responsible AI
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: LangGraph, AI Orchestration, System Monitoring, CrewAI, Agentic Workflows, Continuous Monitoring, Agentic systems, Enterprise Application Management, Event Monitoring, Artificial Intelligence and Machine Learning (AI/ML), Site Reliability Engineering, AI Enablement, Model Deployment, Generative AI Agents, Generative Model Architectures, AI Security, Systems Architecture, Software Architecture, Application Deployment, Middleware
Intermediate · Course · 1 - 4 Weeks

ConsenSys Academy
Skills you'll gain: Blockchain, Cryptography, Interoperability, FinTech, Emerging Technologies, Ledgers (Accounting), Business Modeling, Internet Of Things, Distributed Computing, Open Source Technology, Digital Assets, Transaction Processing, Scalability
Beginner · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, Anthropic Claude, Responsible AI, OpenAI API, Cloud Deployment, Cloud Applications, LLM Application, OpenAI, HTML and CSS, ChatGPT, Application Deployment, Mobile Development, API Gateway, Generative AI, Model Deployment, Cloud Security, Data Ethics, Application Programming Interface (API), Debugging, Artificial Intelligence
Intermediate · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Graph Theory, Data Structures, Java Programming, Java, Object Oriented Design, Software Design, Algorithms, Theoretical Computer Science, Maintainability, Object Oriented Programming (OOP), Network Routing, Computational Thinking, Application Development
Intermediate · Course · 1 - 3 Months

The University of Chicago
Skills you'll gain: Intellectual Property, Law, Regulation, and Compliance, Information Privacy, Media and Communications, Digital Content, Technology Strategies, Regulation and Legal Compliance, Network Protocols, Telecommunications, Market Dynamics, Case Law, Lawsuits, Economics, Competitive Analysis
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Local Area Networks, Network Protocols, Computer Networking, TCP/IP, Network Performance Management, OSI Models, Wireless Networks, Telecommunications, Network Analysis, Data Integrity
Mixed · Course · 1 - 3 Months

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Automation, Test Case, Software Testing, Code Review, Mockups, Python Programming
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Blockchain, Digital Assets, FinTech, Business Strategy, Strategic Decision-Making, Governance, Financial Services, Financial Regulation, Ledgers (Accounting), Work Breakdown Structure, Project Implementation, Business Modeling, Banking Services, Financial Systems, Project Design, Solution Design, Cryptography, Design, Emerging Technologies, Payment Systems
Beginner · Specialization · 3 - 6 Months