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.

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Leaflet (Software), Plotly, Interactive Data Visualization, Data Presentation, Data Visualization Software, R (Software), R Programming, Statistical Reporting, Application Development, Software Documentation, Web Applications, Hypertext Markup Language (HTML), Package and Software Management
★ 4.6 (2.3K) · Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Model Evaluation, Predictive Modeling, Machine Learning Algorithms, Model Training, Machine Learning Methods, Feature Engineering, Supervised Learning, Machine Learning Software, Classification And Regression Tree (CART), Predictive Analytics, Applied Machine Learning, Data Preprocessing, R Programming, Classification Algorithms, Machine Learning, Random Forest Algorithm, Regression Analysis
★ 4.5 (3.3K) · Mixed · Course · 1 - 4 Weeks

Google Cloud
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Microsoft Copilot, Data Ethics, Law, Regulation, and Compliance, Generative AI, Responsible AI, Data Governance, Microsoft 365, Personalized Campaigns, AI powered creativity, Sales Enablement, Marketing Automation, Marketing Operations, Customer experience improvement, Regulatory Compliance, Business Process Automation, Compliance Management, AI literacy, AI Enablement, Critical Thinking
★ 4.4 (234) · Beginner · Specialization · 1 - 3 Months

Lund University
Skills you'll gain: Large Language Modeling, Model Evaluation, Artificial Intelligence, Generative AI, Machine Learning, Natural Language Processing, Clinical Psychology, Mental Health, Clinical Practices
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Unsupervised Learning, Supervised Learning, Applied Machine Learning, Predictive Modeling, Data Presentation, Machine Learning, Collaborative Software, Data Analysis, Predictive Analytics, Technical Communication, Machine Learning Algorithms, Statistical Analysis, Scikit Learn (Machine Learning Library), Keras (Neural Network Library), Descriptive Statistics, Regression Analysis, Python Programming, Text Mining, Artificial Neural Networks
★ 4.7 (217) · Advanced · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Content Performance Analysis, LinkedIn, Social Media Analytics, Social Media, Social Media Content, Social Media Marketing, Spreadsheet Software, Instagram, Content Optimization, Social Media Management, Driving engagement, Data-Driven Marketing, Performance Reporting, Content Strategy, User Feedback, Prompt Engineering, Performance Analysis, Workflow Management, AI Integrations, Analytics
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Node.JS, Containerization, Kubernetes, Cloud-Native Computing, Distributed Computing, Load Balancing, Dataflow, Scalability, Unit Testing, Data Pipelines, Test Script Development, Test Automation, API Gateway, Server Side, Microservices, Event-Driven Programming, Javascript, Software Architecture, Web Development, Web Applications
Intermediate · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Workplace inclusivity, Security Awareness, Diversity Training, Diversity and Inclusion, Diversity Awareness, Diversity Equity and Inclusion Initiatives, Professionalism, Courage, Information Systems Security, Diversity Programs, Business Ethics, Ethical Standards And Conduct, Cultural Diversity, Workplace Bullying Intervention, Compliance Management, Compliance Training, Professional Development, Cultural Sensitivity, Culture Transformation, Employee Training
★ 4.8 (348) · Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Penetration Testing, Exploit development, Metasploit, Application Security, Security Testing, Vulnerability Scanning, Cyber Security Assessment, Brute-force attacks, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Memory Management, Amazon Web Services, SQL, Amazon Elastic Compute Cloud, Operating Systems, Data Validation
★ 4 (279) · Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Clinical Data Management, Data Quality, Quality Assurance, Clinical Trial Management Systems, Case Report Forms, Clinical Trials, Data Maintenance, Clinical Monitoring, Data Cleansing, Data Management, Data Integrity, Clinical Research, Microsoft Excel, Data Compilation, Data Collection, Data Sharing, Data Security, Treatment Planning, Statistical Analysis
★ 4.7 (193) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Java, Context Management, Web Applications, Server Side, Data Storage, Data Sharing
★ 4.5 (17) · Intermediate · Course · 1 - 4 Weeks