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.

Coursera
Skills you'll gain: Model Evaluation, Predictive Modeling, Regression Analysis, Statistical Machine Learning, Statistical Modeling, Classification Algorithms, Predictive Analytics, Logistic Regression, Feature Engineering, Applied Machine Learning, Data-Driven Decision-Making, Data Preprocessing, Model Optimization, Performance Metric
Intermediate · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Technical Communication, Statistical Reporting, R Programming, Statistical Analysis, Statistical Modeling, Statistical Programming, Data Analysis, Statistical Software, Time Series Analysis and Forecasting, R (Software), Markov Model, Statistical Methods, Sampling (Statistics), Simulations, Model Evaluation, Probability Distribution
★ 4.5 (10) · Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Process Capability, Statistical Process Controls, R (Software), Statistical Analysis, Statistical Software, Data Analysis Software, R Programming, Quality Control, Probability & Statistics, Quality Improvement, Statistical Methods, Plot (Graphics), Process Analysis, Data Transformation, Statistical Hypothesis Testing, Probability Distribution
★ 4.1 (17) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prioritization, Product Roadmaps, Sprint Planning, Timelines, Strategic Prioritization, Agile Methodology, Project Planning, Meeting Facilitation, Agile Project Management, Goal Setting, Kanban Principles, Product Requirements, Requirements Analysis, Project Management
★ 4.8 (17) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Convolutional Neural Networks, Model Training, Image Analysis, Predictive Modeling, Data Preprocessing, Deep Learning, Artificial Neural Networks, Computer Vision, Applied Machine Learning, Python Programming, Development Environment, Project Performance, AI Workflows, Project Implementation
★ 4.7 (19) · Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Full-Stack Web Development, Information Architecture, React.js, UI Components, Web Applications, Scalability, JavaScript Frameworks, Web Development Tools, Data Access, Query Languages, Database Application, Back-End Web Development, Data Store, Web Design and Development, Database Development, Databases, Front-End Web Development, Software Design, Web Development, Software Development
★ 4.8 (6) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Validation, Data Quality, SQL, Data Integrity, Verification And Validation, Unit Testing
Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Management, Google Cloud Platform, Cloud Computing, Public Cloud, Site Reliability Engineering, Expense Management, Cloud Infrastructure, DevOps, Corporate Sustainability, Identity and Access Management, Governance, Cost Management, Sustainable Business, Capacity Management, Cost Control, Financial Controls, System Monitoring, Customer Support
★ 4.4 (14) · Beginner · Course · 1 - 3 Months

Technical University of Munich (TUM)
Skills you'll gain: Cyber Governance, Cyber Security Policies, Safety Standards, Cybersecurity, Accident Prevention, Safety and Security, Medical Science and Research, Threat Management, Physical Science, Environmental Monitoring, Environmental Issue, Radiation Protection, Waste Minimization, Continuous Monitoring, General Medicine, Spatial Analysis, Risk Analysis, Physics, Mathematical Modeling
★ 4.6 (25) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Big Data, Apache Hadoop, Data Infrastructure, Data Processing, Analytics, Data Science, Data Architecture, Distributed Computing, Linux, Software Installation, Scalability, System Configuration
★ 4.7 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Talent Recruitment, People Analytics, AI Enablement, HR Tech, AI Integrations, Diversity Equity and Inclusion Initiatives, Artificial Intelligence, Ethical Standards And Conduct, Scalability
★ 5 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Memory Management, Database Administration, Database Management, Database Architecture and Administration, Performance Tuning, Server Administration, Data Maintenance, User Accounts, Disaster Recovery, Data Storage, Role-Based Access Control (RBAC), Identity and Access Management, System Configuration, Authentications
Intermediate · Course · 1 - 3 Months