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.

LearnKartS
Skills you'll gain: Billing, Amazon Web Services, Cost Reduction, Cost Management, Cost Estimation, Cloud Management, Cloud Storage, Cloud Services, Product Support, Technical Support, Customer Support
★ 4.6 (22) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Unsupervised Learning, Unstructured Data, Marketing Analytics, Text Mining, Deep Learning, Model Evaluation, Machine Learning, JSON, Natural Language Processing, Machine Learning Algorithms, Data Preprocessing, Model Training, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Kafka, Real Time Data, Performance Testing, Decision Intelligence, Performance Stress Testing, Scalability, Data Pipelines, Apache Spark, Verification And Validation, Data-Driven Decision-Making, Model Evaluation, Performance Tuning, Enterprise Architecture, System Monitoring, Service Level, Usability
Intermediate · Course · 1 - 4 Weeks

INSEAD
Skills you'll gain: Blockchain, Digital Assets, FinTech, Business Transformation, Business Leadership, Governance, Cryptography, Financial Inclusion, Business Analysis, Organizational Structure, Strategic Leadership, Public Key Infrastructure, Emerging Technologies, Plan Execution, Solution Design, Payment Systems, Entrepreneurship, Cryptographic Protocols, Financial Systems, Market Opportunities
★ 4.9 (40) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Ajax, JSON, Javascript, Application Programming Interface (API), Web Applications, Secure Coding, Application Security
★ 4.8 (8) · Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Social Determinants Of Health, Health Disparities, Health Equity, Health Policy, Systems Thinking, Health Informatics, Public Health, Economics, Policy, and Social Studies, Social Justice, Community Health, Health Systems, Social Impact, R (Software), Data Analysis, Data Literacy, R Programming, Data Visualization, Data-Driven Decision-Making, Diversity Awareness
★ 4.7 (15) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Security, Threat Modeling, Role-Based Access Control (RBAC), Cloud Security, Data Governance, Secure Coding, Data Security, DevSecOps, Data Management, Infrastructure as Code (IaC), Enterprise Security, Zero Trust Network Access, Application Security, Infrastructure Security, Security Controls, Threat Management, Security Requirements Analysis, Data Quality, Compliance Management, Identity and Access Management
Intermediate · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Ansible, IT Automation, YAML, Enterprise Architecture, DevSecOps, Scalability, CI/CD, Automation, Debugging, Scripting, Continuous Integration, Devops Tools, Configuration Management, Hardening, Enterprise Security, Development Environment, Verification And Validation, Infrastructure as Code (IaC), Cloud-Based Integration, Patch Management
Beginner · Specialization · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Theoretical Computer Science, Mathematics and Mathematical Modeling, Applied Mathematics, Algorithms, Cryptography, Data Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Content Scheduling, Social Media Marketing, Content Performance Analysis, Driving engagement, Social Media Campaigns, Social Media Analytics, Drive Engagement, Content Optimization, Video Production, Photo/Video Production and Technology, Workflow Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Monitoring, Network Troubleshooting, Development Environment, Debugging
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Responsible AI, AI Workflows, AI Orchestration, Agentic Workflows, Agentic systems, Generative AI Agents, Artificial Intelligence, Coordinating, Coordination, Data Ethics, Governance, Systems Architecture, Software Architecture, Accountability Frameworks, Scalability, Regulatory Compliance, Communication Strategies, Communication
Intermediate · Course · 1 - 4 Weeks