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: Simulation and Simulation Software, Simulations, Microbiology, Network Model, Biology, Programming Principles, Mathematical Modeling, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Embeddings, Transfer Learning, Model Training, Machine Learning Methods, Fraud detection, Applied Machine Learning, Supervised Learning, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Patient Coordination, Care Coordination, Follow Through, Patient Registration, Setting Appointments, Medical Records, Record Keeping
Beginner · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Social Network Analysis, Network Analysis, Data Presentation, Graphing, Statistical Visualization, Network Model, Scientific Visualization, Graph Theory, R (Software), Exploratory Data Analysis, R Programming, Environmental Science, Biology, Data Analysis, Data Science, Scripting, Computer Programming
Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Computational Logic, Machine Learning Algorithms, Classification Algorithms, Natural Language Processing, Artificial Intelligence, Agentic systems, AI literacy, Machine Learning Methods, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Decision Support Systems, Bayesian Network, Complex Problem Solving, Probability & Statistics, Algorithms
Build toward a degree
Mixed · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Snowflake Schema, Performance Tuning, Data Architecture, User Accounts, Data Warehousing, SQL, Database Architecture and Administration, Database Management, Data Modeling, Data Transformation, Data Import/Export, Cloud Computing Architecture, Data Integration, Cloud-Based Integration, Role-Based Access Control (RBAC), Data Governance, Data Security
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Requirements Analysis, Security Requirements Analysis, Requirements Elicitation, Goal Setting, User Requirements Documents, Unified Modeling Language, Meeting Facilitation, Conflict Management, Discussion Facilitation, Risk Management Framework, Negotiation, Security Awareness
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Encryption Standard, Advanced Encryption Standard (AES), Cryptography, Encryption, Key Management, Brute-force attacks, Algorithms
Intermediate · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Reinforcement Learning, Machine Learning Methods, Machine Learning Algorithms, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Algorithms, Decision Intelligence, Markov Model, Deep Learning, Applied Machine Learning, Statistical Methods, Sampling (Statistics)
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Sales, Sales Prospecting, Sales Training, Inside Sales, Sales Strategy, Web Presence, Selling Techniques, Prospecting and Qualification, Product Demonstration, Virtual Teams, Digital Brand Strategy, Technical Sales, Sales Pipelines, Rapport Building, Sales Presentations, Relationship Building, Virtual Environment, Customer Engagement, Customer Success Management, Drive Engagement
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Case Studies, Experience Design, Business Solutions, User Experience Design, User Experience, Natural Language Processing, Application Programming Interface (API), Interaction Design, Application Deployment, AI Integrations, Application Development, Artificial Intelligence, Systems Integration, Scalability, Software Testing
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Process Capability, Sampling (Statistics), R (Software), Correlation Analysis, Statistical Inference, Probability Distribution, Statistical Visualization, R Programming, Statistical Process Controls, Statistical Hypothesis Testing, Statistical Methods, Probability & Statistics, Data Science, Statistics, Data Analysis, Statistical Analysis, Statistical Software, Descriptive Statistics, Quality Improvement, Process Engineering
Build toward a degree
Intermediate · Specialization · 3 - 6 Months