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.

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

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

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, R (Software), Health Insurance Portability And Accountability Act (HIPAA) Compliance, R Programming, Medical Privacy, Clinical Research Ethics, Google Cloud Platform, Data Ethics, Data Science, Health Informatics, Statistical Programming, Data Wrangling, Data Processing, Electronic Medical Record, Data Manipulation, SQL, Data Access, Query Languages
★ 4.5 (436) · Intermediate · Course · 1 - 4 Weeks

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

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

Skills you'll gain: Unit Testing, Test Driven Development (TDD), Program Development, Mockups, Test Script Development, Development Testing, Software Testing, Test Case
★ 4.4 (9) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Blogs, Content Performance Analysis, Google Analytics, Web Analytics, Promotional Strategies, Customer Engagement, Social Media Marketing, Social Media Analytics, Social Media, Customer Relationship Building, Content Marketing, Content Creation, Content Management Systems, Marketing
★ 4.6 (293) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Medical Office Procedures, Calendar Management, Scheduling, Practice Management Software, Patient Flow, Medical Terminology, Corrective and Preventive Action (CAPA), Capacity Management, Data Quality, Anomaly Detection, Continuous Quality Improvement (CQI), Data Validation
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Threat Modeling, Threat Management, Risk Management, Business Continuity Planning, Asset Protection, Risk Analysis, Risk Management Framework, Risk Mitigation, Business Continuity, Risk Control, Vulnerability Assessments, Security Controls
★ 4.6 (163) · Mixed · Course · 1 - 4 Weeks

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

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

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