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: Drupal, Content Management Systems, Enterprise Architecture, Scalability, Workflow Management, Salesforce, Information Architecture, Salesforce Development, Enterprise Application Management, Marketing Automation, Data Architecture, Content Development and Management, Content Management, User Provisioning, Data Modeling, Role-Based Access Control (RBAC), Data Integration, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Network Routing, Amazon Web Services, Servers, Network Monitoring
★ 4.4 (27) · Beginner · Guided Project · Less Than 2 Hours

Dartmouth College
Skills you'll gain: Supervised Learning, Bayesian Network, Logistic Regression, Artificial Neural Networks, Machine Learning Methods, Statistical Modeling, Predictive Modeling, Model Evaluation, Convolutional Neural Networks, Statistical Machine Learning, Probability & Statistics, Bayesian Statistics, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Machine Learning Algorithms, Statistical Methods, Artificial Intelligence, Regression Analysis, Statistical Inference
Intermediate · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Wealth Management, Goal Setting, Self-Awareness, Behavioral Economics, Goal-Oriented, Smart Goals, Personal Development, Risk Management, Finance, Risk Appetite, Financial Planning, Human Capital, Decision Making, Financial Acumen, Risk Analysis, Financial Management, Consumer Behaviour, Cost Benefit Analysis, Self-Discipline, Psychology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Optimization, Model Training, AI Workflows, Data Pipelines
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Risk Analysis, Data-Driven Decision-Making, Strategic Decision-Making, Decision Intelligence, Decision Making, Analysis, Business Risk Management, Data Analysis, Risk Modeling, Risk Management, Analytical Skills, Risk Appetite, Complex Problem Solving, Strategic Prioritization, Strategic Thinking, Applied Mathematics, Organizational Strategy, Microsoft Excel, Probability, Quantitative Research
Intermediate · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: R Programming, Statistical Programming, R (Software), Statistical Modeling, Bayesian Statistics, Statistical Software, Markov Model, Mathematical Modeling, Statistical Methods, Statistical Inference, Sampling (Statistics), Simulations, Probability Distribution, Classification Algorithms
★ 4.5 (63) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: File Systems, Mac OS, User Accounts, File Management, User Provisioning, Data Security, Operating System Administration, Software Installation, Unix, System Configuration, Unix Commands, Security Controls, Knowledge of Apple Hardware, Authorization (Computing), Data Management, Disaster Recovery, Data Storage, Control Panels, Encryption
★ 4.9 (10) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Salesforce, Salesforce Development, User Provisioning, Identity and Access Management, Cloud Deployment, Enterprise Application Management, Application Deployment, Systems Administration, Security Controls, Data Management, Customer Relationship Management (CRM) Software, Workflow Management, Internal Communications, Training and Development, Customer Service
★ 3.7 (15) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Virtual Networking, Amazon Web Services, Cloud Computing Architecture, Cloud Infrastructure, Network Architecture, Amazon Elastic Compute Cloud, Remote Access Systems
★ 4.5 (19) · Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Teradata SQL, SQL, Data Store, Database Design, Database Management, Relational Databases, Query Languages, Data Analysis, Data-Driven Decision-Making
Intermediate · Course · 1 - 4 Weeks