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: Generative AI, Prompt Engineering, Data Ethics, AI Security, Decision Intelligence, Intellectual Property, Large Language Modeling, Risk Analysis, Legal Risk, Compliance Management, Governance
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Deep Learning, MLOps (Machine Learning Operations), Responsible AI, Model Evaluation, Data Ethics, Data Management, Experience Design, Unsupervised Learning, Model Training, Machine Learning Methods, User Experience Design, Classification And Regression Tree (CART), Data Quality, Model Deployment, Human Centered Design, Machine Learning, Project Management, Product Management, Product Design, Data Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Systems Design, Systems Architecture, System Design and Implementation, Software Design, Software Architecture, Distributed Computing, Software Systems, Scalability, API Design, Data Storage Technologies, Microservices, Data Storage, Live Streaming, Restful API, API Gateway, Databases, Load Balancing, Application Programming Interface (API), Network Protocols, Capacity Management
Advanced · Course · 3 - 6 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Reinforcement Learning, Computational Logic, Agentic systems, Bayesian Network, Decision Intelligence, Machine Learning, Bayesian Statistics, AI literacy, Markov Model, Algorithms, Computational Thinking, Probability, Model Optimization, Probability & Statistics, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months
University of California San Diego
Skills you'll gain: Design Research, Visual Design, Interaction Design, User Experience Design, Statistical Analysis, Usability, Experience Design, UI/UX Research, Ideation, User Interface (UI), Experimentation, Interactive Design, User Interface and User Experience (UI/UX) Design, Human Computer Interaction, A/B Testing, Human Factors, Collaborative Software, Telecommuting, R Programming, Storyboarding
Intermediate · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Linux Administration, Red Hat Enterprise Linux, Linux, Package and Software Management, Linux Commands, Linux Servers, Unix Commands, Command-Line Interface, Systems Administration, Unix Shell, Network Troubleshooting, Operating Systems, Firewall, File Systems, Hardening, Authorization (Computing), IT Automation, Computer Networking, User Accounts, Network Protocols
Beginner · Specialization · 1 - 3 Months

Total Seminars
Skills you'll gain: Cloud Computing Architecture, Amazon Web Services, Solution Architecture, Security Controls, Amazon Elastic Compute Cloud, AWS CloudFormation, Amazon Redshift, Cloud Platforms, Cloud Services, Cloud Infrastructure, Cloud Development, Microservices, Amazon S3, Cloud Applications, Systems Architecture, AWS Kinesis, Cloud Security, Cloud Management, Cloud Storage, AWS Identity and Access Management (IAM)
Advanced · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Secure Coding, Java Programming, Maintainability, Hardening, Java, Software Design Patterns, Application Security, Software Design, Data Structures, Object Oriented Design, Software Architecture, Performance Tuning, Memory Management, API Design, Code Reusability, Object Oriented Programming (OOP), Web Servers, Application Programming Interface (API), Software Development, Virtualization
Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Data Pipelines, Data Architecture, Requirements Analysis, Requirements Elicitation, Amazon Web Services, Data Infrastructure, Enterprise Architecture, Data Processing, System Requirements, Performance Tuning, Cloud Computing, Data Transformation, Scalability
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Scripting Languages, Scripting, Java, Java Programming, Server Side, Web Applications, Web Components
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Power BI, Dashboard, Dashboard Creation, SQL, Data Security, Data Analysis, Data Modeling, Data Management, Role-Based Access Control (RBAC), Data Sharing, Security Controls, Data Access
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unsupervised Learning, Exploratory Data Analysis, Feature Engineering, Dimensionality Reduction, Supervised Learning, Classification Algorithms, Regression Analysis, Scikit Learn (Machine Learning Library), Machine Learning Algorithms, Statistical Methods, Data Preprocessing, Applied Machine Learning, Model Evaluation, Statistical Inference, Predictive Modeling, Machine Learning Methods, Statistical Hypothesis Testing, Model Training, Data Processing, Machine Learning
Intermediate · Specialization · 3 - 6 Months