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.

University of Toronto
Skills you'll gain: Robotics, Network Routing, Graph Theory, Algorithms, Simulations, Predictive Modeling, Scenario Testing, Spatial Data Analysis
★ 4.8 (487) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Social Media Marketing, Presentations, Social Media Campaigns, Campaign Management, Digital Marketing Campaigns, Oral Expression, Digital Marketing, Communication
★ 4.7 (741) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Responsive Web Design, React.js, Front-End Web Development, Git (Version Control System), HTML and CSS, Version Control, Hypertext Markup Language (HTML), Web Development, Web Design and Development, Back-End Web Development, Frontend Integration, Web Design, UI Components, Code Review, Web Applications, Cascading Style Sheets (CSS), Web Analytics and SEO, Database Development, Software Development
★ 4.7 (62) · Advanced · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Object Oriented Design, Version Control, Web Design and Development, Web Content Accessibility Guidelines, Design Software, Adobe XD, Responsive Web Design, .NET Framework, Microsoft Visual Studio, User Experience, Hypertext Markup Language (HTML), Authorization (Computing), AI Integrations, Application Security, Computational Thinking, User Interface (UI) Design, Web Components, Pseudocode, Microsoft Development Tools, Javascript
★ 4.6 (279) · Beginner · Professional Certificate · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Law, Regulation, and Compliance, Information Privacy, Personally Identifiable Information, Data Security, General Data Protection Regulation (GDPR), Legal Risk, Regulation and Legal Compliance, Data Governance, Data Ethics, Court Systems, Legal Strategy, Civil Law, Regulatory Compliance, Compliance Management, Financial Industry Regulatory Authorities, Program Development, Case Law
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Penetration Testing, Exploit development, Metasploit, Application Security, Security Testing, Vulnerability Scanning, Cyber Security Assessment, Brute-force attacks, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Memory Management, Amazon Web Services, SQL, Amazon Elastic Compute Cloud, Operating Systems, Data Validation
★ 4 (279) · Intermediate · Course · 1 - 4 Weeks

New York Institute of Finance
Skills you'll gain: Tensorflow, Keras (Neural Network Library), Financial Trading, Data Pipelines, Applied Machine Learning, Machine Learning, Securities Trading, Statistical Machine Learning, Model Training, Market Trend, Data Preprocessing, Deep Learning, Python Programming, Model Evaluation, Correlation Analysis, Artificial Neural Networks, Time Series Analysis and Forecasting
★ 3.9 (379) · Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Blockchain, Digital Assets, FinTech, Financial Systems, Financial Inclusion, Financial Market, Financial Regulations, Capital Markets, Financial Regulation, Payment Systems, Financial Services, Cryptographic Protocols, Asset Management, Market Liquidity, Law, Regulation, and Compliance, Cryptography, Regulatory Requirements, Payment Processing
Mixed · Course · 1 - 3 Months

Georgia Institute of Technology
Skills you'll gain: Sales Presentation, Presentations, Oral Expression, Sales Presentations, Verbal Communication Skills, Public Speaking, Professional Development, Business Correspondence, English Language, Cultural Diversity, Professional Networking, Intercultural Competence, Communication, Cultural Sensitivity, Business Writing, Professionalism, Communication Strategies, Interviewing Skills, Setting Appointments, Writing
★ 4.7 (922) · Mixed · Course · 1 - 4 Weeks

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: Database Systems, Database Design, Database Theory, Database Development, Relational Databases, Database Management Systems, Database Management, MySQL, Databases, Database Architecture and Administration, Database Software, SQL, PostgreSQL, NoSQL, Scalability, Data Integrity, Stored Procedure, Query Languages, Distributed Computing, Transaction Processing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Artificial Neural Networks, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Generative Model Architectures, Large Language Modeling, Machine Learning Methods, Computer Vision, Data Science, Artificial Intelligence, Applied Machine Learning, NumPy, Pandas (Python Package), Python Programming, Natural Language Processing, Supervised Learning, Feature Engineering, Machine Learning, Predictive Modeling, Data Analysis, Data Visualization
Beginner · Course · 1 - 4 Weeks