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: Authentications, Data Security, Cloud Security, Application Security, Key Management, Encryption, Software Installation, Role-Based Access Control (RBAC), Identity and Access Management, System Configuration, Command-Line Interface, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Remote Access Systems, Desktop Support, Technical Support, Help Desk Support, Data Ethics, Network Troubleshooting, Telecommuting, Information Technology, Collaborative Software, Data Security, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, Restful API, Web Development, Object-Relational Mapping, Web Applications, User Accounts, Data Integrity, Single Sign-On (SSO), Application Programming Interface (API), Authentications, Back-End Web Development, Performance Tuning, Authorization (Computing), Identity and Access Management, Data Validation, Model View Controller, Database Management, Multi-Factor Authentication, Data Security
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cryptography, Encryption, Public Key Cryptography Standards (PKCS), Python Programming, Data Security
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Productivity, Brand Strategy, Market Research, Professional Networking, Time Management, Branding, Target Audience, Business Modeling, Social Media, Prioritization, Competitive Analysis, Photo/Video Production and Technology, Promotional Materials, Goal Setting, Business Strategy, Marketing Materials, Business Planning, Recruitment, Presentations, Marketing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: JUnit, Apache Maven, Spring Boot, Model View Controller, Unit Testing, Microservices, Application Development, Spring Framework, Redis, Restful API, YAML, Java, Java Programming, MongoDB, Application Deployment, NoSQL, Ajax, Hibernate (Java), Data Persistence, Software Testing
Beginner · Specialization · 3 - 6 Months

Whizlabs
Skills you'll gain: DevOps, CI/CD, Containerization, Continuous Integration, Cloud Security, Kubernetes, Software Development, Google Cloud Platform, Continuous Delivery, Cloud-Native Computing, Application Deployment, General Networking, System Monitoring, Virtual Networking, Identity and Access Management, Load Balancing, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Logo Design, Canva (Software), Video Production, Infographics, Graphic Design, Graphic and Visual Design, Content Creation, Creative Design, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours

Pontificia Universidad Católica del Perú
Skills you'll gain: Software Development Life Cycle, Unified Modeling Language, Software Design, Software Engineering, Systems Development, Software Development, Waterfall Methodology, Requirements Analysis
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: AI Enablement, AI Workflows, Law, Regulation, and Compliance
Intermediate · Course · 3 - 6 Months

University of Michigan
Skills you'll gain: Text Mining, Unstructured Data, Health Informatics, Natural Language Processing, Data Mining, Model Evaluation, Clinical Informatics, Deep Learning, Machine Learning, Medical Terminology, Artificial Neural Networks, Python Programming, Computer Programming, Computer Programming Tools
Intermediate · Course · 1 - 4 Weeks

Clemson University
Skills you'll gain: Data Structures, Algorithms, Computational Thinking, Theoretical Computer Science, Computer Programming, Computer Science, Probability, Design Strategies, Analysis, Performance Testing, Scalability
Build toward a degree
Intermediate · Course · 1 - 3 Months