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: Distributed Denial-Of-Service (DDoS) Attacks, Penetration Testing, Security Testing, Cyber Security Assessment, Cyber Threat Hunting, Threat Detection, Cryptographic Protocols, Cybersecurity, Cyber Threat Intelligence, Cryptography, Exploit development, Open Web Application Security Project (OWASP), Cyber Security Strategy, Cyber Attacks, Application Security, Security Awareness, Security Controls, Data Security, Cyber Risk, Security Strategy
Beginner · Specialization · 1 - 3 Months
University of Michigan
Skills you'll gain: Matplotlib, Data Visualization, Data Visualization Software, Interactive Data Visualization, Scientific Visualization, Visualization (Computer Graphics), Statistical Visualization, Data Presentation, Graphing, Scatter Plots, Data Manipulation, Histogram, NumPy, Pandas (Python Package), Python Programming
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Social Media Content, Social Media Management, Content Performance Analysis, Social Media Marketing, Social Media Campaigns, Social Media Strategy, Performance Analysis, Content Strategy, Content Development and Management, Campaign Management, Calendar Management, Content Creation, Social Impact, Data-Driven Decision-Making, Drive Engagement, Scheduling, Cross-Channel Marketing, Customer Engagement, Brand Management
Intermediate · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Marketing Strategies, Digital Transformation, AI Enablement, Marketing, Marketing Analytics, Data-Driven Decision-Making, Machine Learning Algorithms, Artificial Intelligence, Digital Marketing, Business Strategy, Case Studies, Competitive Analysis, Network Analysis, Customer experience improvement, Customer Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, AI Orchestration, Salesforce Development, Salesforce, Agentic Workflows, Generative AI Agents, Workflow Management, Agentic systems, Application Lifecycle Management, Generative AI, Performance Testing, Enterprise Architecture, Business Logic, Data Integration, Data Architecture, Model Evaluation, Automation, Data Security
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Anomaly Detection, MLOps (Machine Learning Operations), AI Security, Software Engineering, DevOps, CI/CD, Model Deployment, Performance Tuning, Model Evaluation, Secure Coding, Continuous Monitoring, Integration Testing, Data Validation, Sampling (Statistics), Statistical Methods, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: WordPress, Cloud Hosting, Frontend Performance, Web Design, Secure Coding, Performance Tuning, Amazon Web Services, Order Management, Product Assortment, Data Store, Data Management, Web Design and Development, Usability, Data Security, Cloud Deployment, Remote Access Systems, Web Development, Web Servers, Servers, Content Management Systems
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Surveys, Survey Creation, Data Quality, Sample Size Determination, Statistical Hypothesis Testing, Data Governance, Sampling (Statistics), Market Research, A/B Testing, Quantitative Research, Data Maintenance, Statistical Analysis, Data Analysis, Excel Formulas, Regression Analysis, Business Intelligence, Data Visualization, Performance Metric, R Programming, Predictive Modeling
Intermediate · Specialization · 3 - 6 Months

Università Bocconi
Skills you'll gain: Project Finance, Risk Analysis, Capital Budgeting, Financial Analysis, Private Equity, Credit Risk, Risk Management, Investments, Finance, Contract Management, Banking
Mixed · Course · 1 - 3 Months

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Selenium (Software), White-Box Testing, Scalability, Software Testing, Web Applications, Test Automation, Test Script Development, Automation, Scenario Testing, Maintainability, Hypertext Markup Language (HTML)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Marketing Analytics, Social Media Management, Analytics, Social Media Marketing, Web Analytics, Social Media Campaigns, Scheduling, Social Media Strategy, Performance Analysis, Content Strategy, Descriptive Analytics, Trend Analysis, Content Creation, Process Optimization
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Manipulation, Data Cleansing, Data Integration, Data Preprocessing, Data Import/Export, Data Collection, Data Management, Web Scraping, Data Access, R Programming, MySQL, Application Programming Interface (API)
Mixed · Course · 1 - 4 Weeks