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.

University of California San Diego
Skills you'll gain: Graph Theory, Data Structures, Java Programming, Java, Object Oriented Design, Software Design, Algorithms, Theoretical Computer Science, Code Reusability, Object Oriented Programming (OOP), Network Routing, Application Design, Application Development
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Civil Procedures, Court Systems, Political Sciences, Case Law, Public Safety and National Security, Jury Trial, Social Justice, Governance, Case Studies, Health Policy
Beginner · Course · 1 - 4 Weeks

Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Model Optimization, Machine Learning Methods, Applied Mathematics, Calculus, Applied Machine Learning, Numerical Analysis, Machine Learning Algorithms, Software Visualization, Machine Learning, Python Programming, Advanced Mathematics, Artificial Neural Networks, Deep Learning, Computer Programming, Derivatives
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Backlogs, Sprint Planning, Test Driven Development (TDD), Sprint Retrospectives, User Story, Scrum (Software Development), Kanban Principles, Agile Methodology, Solution Delivery, Test Planning, Application Deployment, Meeting Facilitation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Email Security, Email Marketing, Email Automation, Authentications, Marketing Effectiveness, Campaign Management, Data Cleansing, Data Quality, Auditing, Digital Marketing, Driving engagement, Marketing Analytics, Data Maintenance, Campaign Planning, Customer Engagement, Continuous Monitoring, Brand Management, Risk Analysis, Analysis
Beginner · Course · 1 - 4 Weeks

New York Institute of Finance
Skills you'll gain: Tensorflow, Keras (Neural Network Library), Financial Trading, Data Pipelines, Machine Learning Methods, Applied Machine Learning, Technical Analysis, Machine Learning, Securities Trading, Statistical Machine Learning, Model Training, Market Trend, Market Data, Data Preprocessing, Deep Learning, Python Programming, Feature Engineering, Model Evaluation, Correlation Analysis, Artificial Neural Networks
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Disaster Recovery, Security Management, IT Management, System Monitoring, Cyber Security Policies, Enterprise Security, Security Strategy, Systems Administration, Operating System Administration, Security Controls, Patch Management, Continuous Monitoring, Information Systems Security, Unix
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, Retrieval-Augmented Generation, Large Language Modeling, AI Security, Agentic Workflows, Embeddings, Generative AI Agents, Vector Databases, Generative AI, Application Deployment, Context Management, Artificial Intelligence, AI Personalization, Knowledge Transfer, Prototyping, Test Tools, JSON, Systems Architecture, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Health Informatics, Health Technology, Health Information Management and Medical Records, Clinical Informatics, Health Information Management, Electronic Medical Record System, Health Care, Medical Records, Health Systems, Healthcare Industry Knowledge, Electronic Medical Record, Informatics, Usability, Interoperability, Telehealth, ICD Coding (ICD-9/ICD-10), Responsible AI, Human Computer Interaction, Health Care Procedure and Regulation, Computerized Physician Order Entry
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Computer Security Incident Management, Cyber Threat Intelligence, Network Planning And Design, Malware Protection, General Networking, Information Technology Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Devops Tools, Jenkins, DevOps, CI/CD, IT Automation, Continuous Integration, Infrastructure as Code (IaC), Continuous Deployment, Automation, Role-Based Access Control (RBAC), Release Management, Test Tools, Performance Tuning, Configuration Management, Change Control, Debugging, Cloud Infrastructure, Scalability
Intermediate · Course · 1 - 4 Weeks