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.

Skills you'll gain: Data-Driven Marketing, Dashboard Creation, A/B Testing, Predictive Modeling, Data Validation, Predictive Analytics, Analytics, Campaign Management, Web Analytics, Verification And Validation, Real Time Data, Management Reporting, Model Evaluation, Scheduling
Beginner · Course · 3 - 6 Months

LearnQuest
Skills you'll gain: Data Ethics, Responsible AI, Machine Learning, Data Collection, Game Theory, Algorithms, Artificial Intelligence, Predictive Modeling, Mitigation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, Data Analysis, Exploratory Data Analysis, Quantitative Research, R Programming, Statistical Analysis, Histogram, R (Software), Statistical Methods, Statistical Programming, Probability & Statistics, Descriptive Analytics, Statistics, Statistical Software, Data Science
★ 4.8 (52) · Beginner · Guided Project · Less Than 2 Hours

Erasmus University Rotterdam
Skills you'll gain: Policy Development, Conflict Management, Ethical Standards And Conduct, Disaster Recovery, Policy Analysis, Emergency Response, Mitigation, International Relations, Risk Analysis, Risk Management, Public Safety and National Security, Decision Intelligence
★ 4.7 (87) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Decision Intelligence, Model Evaluation, Model Optimization, Data-Driven Decision-Making, Applied Machine Learning, A/B Testing, Statistical Machine Learning, Machine Learning Methods, Predictive Modeling, Machine Learning, Predictive Analytics, Statistical Hypothesis Testing, Statistical Methods, Machine Learning Algorithms, Performance Analysis, Statistical Analysis, Regulatory Requirements
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unix, Unix Commands, Network Protocols, Unix Shell, Network Troubleshooting, TCP/IP, OS Process Management, File Management, General Networking, File Transfer Protocol (FTP), Network Administration, Network Routing, OSI Models, Computer Networking, Operating Systems, Network Security, System Programming, Communication Systems, Network Architecture
★ 5 (12) · Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Mining, Artificial Intelligence and Machine Learning (AI/ML), Health Informatics, Model Training, Machine Learning Methods, Machine Learning Software, Applied Machine Learning, Predictive Modeling, Machine Learning, Artificial Intelligence, Machine Learning Algorithms, Random Forest Algorithm, Diagnostic Tests, Responsible AI, Deep Learning, Model Evaluation, AI Enablement, Unsupervised Learning, Health Technology, Healthcare Industry Knowledge
★ 4.7 (11) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, FinTech, Organizational Structure, Governance, Emerging Technologies, Web Applications, Transaction Processing, Law, Regulation, and Compliance, Distributed Computing, Digital Assets, Payment Processing, Regulatory Compliance, Ledgers (Accounting), Data Security, Financial Regulation, Case Studies
★ 4.7 (10) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Creative Thinking, Creativity, Innovation, Business Modeling, Strategic Thinking, Entrepreneurship, Strategic Planning, Business Strategies, Business Development, New Business Development, Collaboration, Analysis, Performance Analysis
★ 4.7 (88) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Exploratory Data Analysis, R (Software), Ggplot2, Statistical Reporting, Data Visualization Software, Tidyverse (R Package), Data Visualization, Version Control, Data Analysis, Plot (Graphics), Scientific Visualization, Statistics, Statistical Visualization, Data Wrangling, Data Science, R Programming, GitHub, Data Transformation, Statistical Analysis, Statistical Programming
★ 4.7 (28) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Quality, Quantitative Research, Data Management, Quality Assurance, Data Cleansing, Data Integrity, Quality Improvement, Quality Assessment, Data Validation, Data Pipelines, Key Performance Indicators (KPIs), SQL, Data Processing, Extract, Transform, Load, Performance Analysis, Continuous Monitoring, Automation, System Monitoring, Trend Analysis
Advanced · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Digital Forensics, Microsoft Windows, Digital Analysis, User Accounts, USB, Identity and Access Management, File Systems, System Configuration, Software Installation, Image Analysis
★ 4.7 (70) · Intermediate · Course · 1 - 3 Months