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.

Coursera
Skills you'll gain: Pay Per Click Advertising, Performance marketing, Google Ads, Keyword Research, Advertising Campaigns, Search Engine Marketing, Marketing Budgets, Online Advertising, Paid media, Advertising, Digital Advertising, Marketing, Data-Driven Decision-Making, Digital Marketing, Sales Presentation, Performance Metric
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Software Design Patterns, Software Architecture, Cryptography, Blockchain, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 3 Months

Association of International Certified Professional Accountants
Skills you'll gain: Key Management, Blockchain, Digital Assets, FinTech, Emerging Technologies, Cryptography, Encryption, Distributed Computing, Transaction Processing, Data Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Routing Protocols
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Lifecycle Management, Azure DevOps, CI/CD, Continuous Delivery, Continuous Integration, DevOps, Data Validation, Data Governance, Data Quality, Test Automation, Extract, Transform, Load, Data Pipelines, Scalability, SQL
Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Traffic Flow Optimization, Stormwater Management, Public Works, Landscape Architecture, Civil Engineering, Environmental Engineering, Sustainable Development, Health Equity, Architectural Design, Water Resources, Sustainable Design, Community Development, Environmental Issue
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, AI Enablement, Ethical Standards And Conduct, Data Preprocessing, Model Evaluation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Vision, Dashboard, IBM Cloud, Responsible AI, Artificial Intelligence, Data Ethics, Image Analysis, ChatGPT, Cloud Computing, Pandas (Python Package), Business Workflow Analysis, Data Manipulation, No-Code Development, Context Management, Artificial Neural Networks, Cloud Applications, AI Workflows, Cloud Deployment, Application Programming Interface (API), WordPress
Beginner · Professional Certificate · 3 - 6 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Security Testing, Threat Modeling, Exploitation techniques, Application Security, Vulnerability Assessments, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Target Audience, Content Creation, Social Media Content, Social Media, Content Strategy, Marketing Materials, Social Media Marketing, Social Media Strategy, Graphic Design, Marketing Design, Branding
Beginner · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Medical Privacy, Information Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Governance, Security Management, Computer Security Incident Management, Personally Identifiable Information, Law, Regulation, and Compliance, Data Security, Governance, Information Assurance, Document Management, Health Information Management, Security Strategy, General Data Protection Regulation (GDPR), Compliance Management, Incident Response, Regulatory Compliance, Training Programs, Compliance Training
Beginner · Specialization · 3 - 6 Months

Columbia University
Skills you'll gain: Computer Vision, Image Analysis, Dimensionality Reduction, Artificial Neural Networks, Machine Learning Methods, Unsupervised Learning, Deep Learning, Graph Theory, Machine Learning Algorithms, Algorithms
Beginner · Course · 1 - 3 Months