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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Apache Hadoop, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Persistence, Data Transformation, SQL, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Marketing, Social Media Strategy, Social Media, Social Media Campaigns, Storytelling, Social Media Content, Social Media Management, Content Performance Analysis, Data-Driven Marketing, Social Media Analytics, Marketing Strategies, Content Creation, Marketing Planning, Digital Brand Strategy, Marketing, Driving engagement, Marketing Strategy and Techniques, Customer Analysis, Web Presence, Business Ethics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Knitr, Model Evaluation, Data Wrangling, Tidyverse (R Package), Predictive Analytics, Predictive Modeling, Data Analysis, R (Software), Statistical Reporting, R Programming, Data Quality, Data Manipulation, Data Integration, Data Transformation, Statistical Modeling, Extract, Transform, Load, Data Pipelines, Performance Analysis, Performance Metric
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Responsible AI, Model Evaluation, AI Integrations, Model Deployment, GitHub, Application Programming Interface (API), AI Enablement, Generative AI, Development Environment, API Design, LLM Application, Cloud Development, Microsoft Azure, Prompt Engineering, Capacity Management, Scalability, Authentications, Data Validation
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Agentic Workflows, AI Workflows, Agentic systems, AI Orchestration, Claude Code, Generative AI Agents, Rust (Programming Language), Distributed Computing, Anthropic Claude, Go (Programming Language), LLM Application, Software Architecture, Artificial Intelligence, Software Design Patterns, Large Language Modeling, Scalability, TypeScript, Supervised Learning
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Model Context Protocol, Agentic systems, Vector Databases, Retrieval-Augmented Generation, Prompt Engineering, Tool Calling, Google Gemini, Agentic Workflows, AI Workflows, Generative AI Agents, Server Side, Node.JS, Scalability, MongoDB, Embeddings, Large Language Modeling, Natural Language Processing, Web Development, Machine Learning, Javascript
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Sales Presentation, Regional Sales, Selling Techniques, Presentations, Sales Process, Influencing, Persuasive Communication, Intercultural Competence, Storytelling, Language Interpretation, Translation, and Studies, Behavioral Economics, Sales Pipelines, Collaborative Software, Collaboration, Customer Relationship Management (CRM) Software, Stakeholder Management, Strategic Communication, Cross-Functional Collaboration, Customer Engagement, AI literacy
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Generative AI, Ideation, Customer Insights, Social Media Marketing, Copywriting, Customer Analysis, Social Media Content, Content Marketing, Content Creation, AI Enablement, Target Audience, Digital Marketing
Beginner · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Systems Thinking, Systems Engineering, Systems Analysis, Critical Thinking and Problem Solving, Network Model
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure as Code (IaC), Amazon Web Services, Amazon DynamoDB, Database Design, System Design and Implementation, Systems Design, Software Architecture, Systems Architecture, Database Management Systems, Application Design, Databases, Database Administration, Solution Architecture, Database Architecture and Administration, Database Management, Data Architecture, Event-Driven Programming, Cloud Computing Architecture, Cloud Applications, Relational Databases
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Cyber Threat Hunting, Cyber Threat Intelligence, Threat Detection, Threat Management, Endpoint Detection and Response, Cybersecurity, Security Information and Event Management (SIEM), Anomaly Detection, Generative AI, Endpoint Security, Event Monitoring, Digital Forensics, Network Analysis, Linux
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Secure Coding, Software Design, System Design and Implementation, Programming Principles, Security Engineering, Program Development, Vulnerability Assessments, C (Programming Language), Software Development Methodologies
Intermediate · Course · 1 - 4 Weeks