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.

Universidad de los Andes
Skills you'll gain: IT Security Architecture, Computer Security Incident Management, Network Security, Incident Response, Cryptography, Digital Forensics, Security Requirements Analysis, Penetration Testing, Incident Management, Human Factors (Security), Threat Detection, Cloud Security, Vulnerability Assessments, Cyber Attacks, Encryption, Cybersecurity, Exploitation techniques, Vulnerability Management, Data Security, Security Management
★ 4.7 (568) · Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Unified Modeling Language, Object Oriented Programming (OOP), Object Oriented Design, Test Driven Development (TDD), Software Design Patterns, Software Design, Programming Principles, Diagram Design, Software Visualization, Program Development, Computer Programming, Software Development Methodologies, Distributed Computing
★ 4.5 (149) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Data Ethics, AI Security, Human Centered Design, Data Governance, Artificial Intelligence, Ethical Standards And Conduct, General Data Protection Regulation (GDPR), AI Product Strategy, Artificial Intelligence and Machine Learning (AI/ML), Data Security, Governance Risk Management and Compliance, Sustainable Design, Environmental Social And Corporate Governance (ESG), Regulation and Legal Compliance, Model Training, Sustainability Reporting, Generative AI, Generative AI Agents, Machine Learning Algorithms
★ 4.8 (23) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Prompt Engineering, Microsoft Copilot, Prompt Patterns, Power Platform Architecture & Technical Design, Microsoft Power Platform, AI Workflows, Agentic Workflows, Generative AI Agents, Performance Tuning, Business Logic, AI Integrations, Agentic systems, Application Deployment, Generative AI, Performance Testing, Scalability, Data Integration, User Feedback
★ 1.9 (10) · Intermediate · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Email Security, Personally Identifiable Information, Firewall, Threat Detection, Network Security, Cybersecurity, Cyber Attacks, Threat Management, Security Awareness, Security Software, Cloud Storage, Information Privacy, Data Security, Cloud Computing, Cloud Services, General Networking
★ 4.8 (36) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Blockchain, Ledgers (Accounting), Financial Inclusion, FinTech, Emerging Technologies, General Ledger, Public Key Infrastructure, Cryptography, Payment Systems, Digital Assets, Stakeholder Analysis, Cryptographic Protocols, Distributed Computing, Stakeholder Engagement, Digital Transformation, Transaction Processing, Information Privacy, Governance, Network Security, Data Integrity
★ 4.7 (2.5K) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: User Provisioning, User Accounts, Cloud Management, Mobile Security, Cloud Computing, Security Controls, Identity and Access Management, Cloud Security, Authentications, Security Assertion Markup Language (SAML), Cyber Security Policies, Single Sign-On (SSO), System Configuration, Google Workspace, Event Monitoring
★ 4.6 (2.2K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: COBOL (Programming Language), Job Control Language (JCL), IBM DB2, Mainframe Computing, Mainframe Technologies, Relational Databases, File I/O, File Management, Data Management, Database Theory, Databases, Database Management Systems, Data Storage, Data Access, Programming Principles, Command-Line Interface, Computer Programming
★ 3.6 (54) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Systems Architecture, Data Storage, Database Development
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Graph Theory, Algorithms, Network Routing, Data Structures, Network Analysis, Network Model, Theoretical Computer Science
★ 4.7 (2.3K) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Manipulation, Data Cleansing, Data Wrangling, Data Processing, Data Integration, Data Preprocessing, Data Transformation, Data Import/Export, Data Collection, Data Management, Web Scraping, Data Access, R Programming, R (Software), MySQL, File Management, SQL, Application Programming Interface (API)
★ 4.5 (8.1K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Platform As A Service (PaaS), Cloud Deployment, Virtual Machines, Cloud Hosting, Application Deployment, Infrastructure As A Service (IaaS), Containerization, Data Storage, Cloud Storage, Azure Active Directory, Scalability, Data Management, Security Controls, Authorization (Computing), Authentications, Identity and Access Management
Beginner · Course · 1 - 4 Weeks