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.

LearnQuest
Skills you'll gain: Consultative Selling, Value Propositions, Sales Strategy, Executive Presence, Solution Selling, B2B Sales, Sales Presentations, Global Marketing, Stakeholder Communications, Business Communication, Strategic Partnership, Competitive Analysis, Active Listening, Customer Insights, Needs Assessment, Relationship Building
Intermediate · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Data Storytelling, Dashboard, Power BI, Data Visualization, Interactive Data Visualization, Data Analysis, Data Modeling, Data Visualization Software, Data Analysis Expressions (DAX), Star Schema, Data Cleansing, Data Transformation, Data Import/Export, Data Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Metasploit, Penetration Testing, Malware Protection, Exploitation techniques, Database Management, Cyber Threat Intelligence, Vulnerability Assessments, Cyber Security Assessment, Brute-force attacks, Cryptography, Cybersecurity, Vulnerability Scanning, Intrusion Detection and Prevention, Data Import/Export, MySQL, Encryption, Mobile Security, Linux, Linux Administration
Beginner · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Chemistry, International Relations, Environmental Regulations, Biochemistry, Ethical Standards And Conduct, Risk Control, Public Safety and National Security, Personal protective equipment, World History
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Tensorflow, Keras (Neural Network Library), Model Evaluation, Transfer Learning, Natural Language Processing, Data Preprocessing, Deep Learning, Data Pipelines
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: PyTorch (Machine Learning Library), Convolutional Neural Networks, Transfer Learning, Image Analysis, Deep Learning, Model Evaluation, Medical Imaging, Computer Vision, Machine Learning, Data Preprocessing
Intermediate · Guided Project · Less Than 2 Hours
Vanderbilt University
Skills you'll gain: AI Enablement, Agentic systems, Workforce Management, Scalability, Workforce Planning, Solution Design
Beginner · Course · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Three-Phase, Basic Electrical Systems, Electrical Engineering, Electronic Components, Electric Power Systems, Electrical Power, Power Electronics, Electronics, Network Analysis, Engineering Analysis, Differential Equations, Mathematical Modeling, Schematic Diagrams, Simulation and Simulation Software
Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Lakes, Data Governance, Data Architecture, Data Management, Cloud Storage, Database Management, Data Warehousing, Data Access, Metadata Management, NoSQL, Star Schema, Data Quality, Big Data, Query Languages, Data Integration, Application Programming Interface (API), Performance Tuning
Beginner · Course · 1 - 4 Weeks

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Internet Of Things, Cloud Platforms, IBM Cloud, Application Development, Cloud Computing, Google Cloud Platform, Microsoft Azure, Amazon Web Services, Emerging Technologies, Network Protocols, Data Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Document Management, Intranet, Collaborative Software, Microsoft 365, Team Management, Content Management Systems, Newsletters, File Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Generative AI, Generative Adversarial Networks (GANs), AI Enablement, Recurrent Neural Networks (RNNs), Data Preprocessing, Model Evaluation
Beginner · Course · 1 - 4 Weeks