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.

Infosec
Skills you'll gain: NIST 800-53, Security Controls, Security Requirements Analysis, Continuous Monitoring, Cyber Security Policies, Information Assurance, Information Systems Security, Cyber Security Assessment, Personally Identifiable Information, Data Security, Multi-Factor Authentication, Computer Security Awareness Training, Document Management, System Monitoring, Identity and Access Management, Authentications, Cryptography, Encryption
★ 4.6 (55) · Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: A/B Testing, Data-Driven Decision-Making, Statistical Methods, Statistical Hypothesis Testing, Analytics, Statistics, Estimation, Decision Making, Data Analysis, Statistical Inference, Statistical Analysis
Intermediate · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Social Media Analytics, Real Time Data, Social Media Content, Data Collection, Social Media, Social Media Marketing, Big Data, Marketing Analytics, Crisis Management, Data-Driven Marketing, Analytics, Social Media Strategy, Content Strategy, Text Mining, Data-Driven Decision-Making
★ 4.7 (1.6K) · Mixed · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Resilience, Mental Health, Positivity, Personal Development, Stress Management, Psychosocial Assessments, Mental Health Diseases and Disorders, Behavioral Health, Psychology
★ 4.8 (526) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Nutrition and Diet, Food and Beverage, Sustainable Systems, Public Health, Community Health, Social Justice, Sustainable Development, Community Development, Health Equity, Systems Thinking, Land Management, Environment, Environmental Issue, Environment and Resource Management, Health Policy, Public Policies, Health Promotion, Manufacturing and Production, Advocacy, Economics
★ 4.7 (165) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Release Management, Cloud Infrastructure, Software Installation, Application Lifecycle Management, Performance Tuning, Cloud Computing, General Networking, Systems Architecture, Software Architecture, Network Model, Memory Management
★ 4.2 (68) · Intermediate · Specialization · 3 - 6 Months

Rutgers the State University of New Jersey
Skills you'll gain: Competitive Analysis, Supply Chain, Supply Chain Systems, Market Opportunities, Supply Chain Management, Market Share, Benchmarking, Transportation, Supply Chain, and Logistics, Customer Analysis, Supply Chain Planning, Customer experience improvement, Customer experience strategy (CX), Inventory and Warehousing, Analytics, Financial Analysis, Inventory Management System, Inventory Control, Financial Data, Data Analysis, Cost Estimation
★ 4.7 (836) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Responsible AI, AI powered creativity, Risking, Data Ethics, AI literacy, Generative AI, AI Security, Art History, Artificial Intelligence, Creativity, Image Analysis, Ethical Standards And Conduct, Innovation, Risk Management Framework, Environmental Issue, Problem Solving, Analysis, Experimentation, Leadership, Collaboration
★ 4.5 (141) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Relational Databases, SQL, Databases, Data Access, Data Manipulation, Database Development, Database Management Systems, Java Platform Enterprise Edition (J2EE), Query Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: ISO/IEC 27001, Auditing, Audit Planning, Security Controls, Cyber Security Policies, Security Management, Information Systems Security, Risk Management, Risk Management Framework, Identity and Access Management, Change Control, Record Keeping, Information Technology
★ 4.2 (10) · Intermediate · Course · 1 - 3 Months

Royal Holloway, University of London
Skills you'll gain: Human Factors (Security), Cyber Threat Intelligence, Cybersecurity, Cyber Attacks, Security Awareness, Social Sciences, Exploitation techniques, Culture, Psychology, Rapport Building, Persuasive Communication
★ 4.8 (124) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Recurrent Neural Networks (RNNs), Model Evaluation, Convolutional Neural Networks, Natural Language Processing, Deep Learning, Generative Adversarial Networks (GANs), Classification Algorithms, Transfer Learning, Model Training, Vision Transformer (ViT), Artificial Intelligence and Machine Learning (AI/ML), Image Analysis, Fine-tuning, Artificial Neural Networks, Machine Learning, Computer Vision, Generative Model Architectures, Graph Theory, Machine Learning Algorithms
★ 4.5 (99) · Intermediate · Specialization · 3 - 6 Months