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.

Universiteit Leiden
Skills you'll gain: Predictive Analytics, Predictive Modeling, Model Evaluation, R Programming, Preventative Care, Health Informatics, Statistical Modeling, Sample Size Determination, Statistical Inference, Regression Analysis, Precision Medicine, Supervised Learning, Data Preprocessing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Personalization, Agentic systems, Competitive Intelligence, Sales Management, Sales Strategy, Sales, AI Enablement, Customer Analysis, Customer Relationship Management, Sales Presentations, Real Time Data, Automation, Proposal Development, Case Studies
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, Application Security, C++ (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Computer Security Incident Management, Digital Forensics, Disaster Recovery, Risk Management Framework, Cybersecurity, NIST 800-53, Threat Management, Risk Management, Security Strategy, Network Security, Security Controls, Vulnerability Assessments, Virtualization and Virtual Machines, Cloud Computing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Secure Coding, Application Security, Software Design Patterns, Web Applications, Application Development, Debugging, Transaction Processing, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Continuous Deployment, Data Pipelines, Continuous Integration, Application Deployment, Docker (Software), Data Infrastructure, Model Deployment, Engineering Software, Software Engineering, Azure DevOps, Data Validation, GitHub, Continuous Monitoring, Scalability
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Salesforce, Email Marketing, User Accounts, Dashboard, Administration, Business Reporting, Collaborative Software, Data Maintenance, Data Cleansing, UI/UX Strategy, Application Deployment, Data Import/Export, Internal Communications, Data Management, Business Administration, Cloud Computing, Data Security, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, Google Cloud Platform, Cloud Infrastructure, Cloud Computing, Cloud Services, Data Storage Technologies, Authorization (Computing), Database Administration, Cloud Storage, Security Management, System Monitoring, NoSQL, Encryption, SQL, Scalability
Intermediate · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authorization (Computing), Cyber Risk, Authentications, Continuous Monitoring, Threat Modeling, Security Controls, Application Security, Secure Coding, System Monitoring, Cryptography, Data Security, Identity and Access Management, Infrastructure Security, Hardening
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Performance Tuning, Web Development, Web Services, Web Applications, Object Oriented Design, Software Architecture, Microservices, Network Security, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Amazon S3, Amazon Elastic Compute Cloud, Virtual Networking, Multi-Factor Authentication, Virtual Private Networks (VPN), Scalability
Beginner · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: AI Enablement, Business Leadership, Strategic Leadership, Responsible AI, Business Strategy, Generative Adversarial Networks (GANs), Data Strategy, Business Transformation, Strategic Decision-Making, Organizational Effectiveness, Deep Learning, Artificial Intelligence, Organizational Development, Human Centered Design, Data Quality, Design Thinking, Governance, User Centered Design, Ethical Standards And Conduct
Intermediate · Course · 1 - 3 Months