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.

MedCerts
Skills you'll gain: Information Management, Medical Management, Care Coordination, Health Care Administration, Data Ethics, Healthcare Ethics, Information Privacy, Data Storage
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Search Engine Optimization, E-Commerce, Logistics Management, Product Marketing, Product Demonstration, Product Knowledge, Customer Service, Customer Relationship Management, Online Advertising, Price Negotiation, Web Analytics and SEO, Social Media Marketing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Teams, Microsoft 365, Team Management, Group Policy, Data Loss Prevention, Azure Active Directory, System Monitoring, User Accounts, Identity and Access Management, Security Management, Authorization (Computing), System Configuration, Collaborative Software, Compliance Management, Product Lifecycle Management, Windows PowerShell, Network Planning And Design, Network Troubleshooting, Technical Support and Services, Data Governance
Intermediate · Specialization · 3 - 6 Months

Sciences Po
Skills you'll gain: Transportation Operations, Demography, Socioeconomics, Social Sciences, Public Safety and National Security, Community Development, Policy Analysis, Environmental Issue, Education and Training, Cultural Diversity, Economics
Beginner · Course · 1 - 3 Months

Skills you'll gain: Case Studies, Google Cloud Platform, Cloud Computing Architecture, Cloud Computing, Cloud Infrastructure, Resource Management, Capacity Planning, Cloud Solutions, Cloud Security, Solution Architecture, Analysis, Business Analysis, Operational Analysis, Virtual Machines
Advanced · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Node.JS, Server Side, MongoDB, Back-End Web Development, Restful API, Web Applications, Web Development, JavaScript Frameworks, Database Management, Application Programming Interface (API), Software Architecture, NoSQL, Authentications, Application Security, Middleware, Performance Tuning, Authorization (Computing), Scalability
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Computer Programming Tools, C and C++, C++ (Programming Language), Software Development Tools, C (Programming Language), Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, AI Orchestration, Generative AI Agents, Anthropic Claude, Prompt Engineering, Tool Calling, Generative AI, Automation, Scalability, Application Programming Interface (API), Servers, Python Programming
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Innovation, AI Enablement, Scalability, Procurement, Artificial Intelligence, Automation, Initiative and Leadership, Strategic Sourcing, Natural Language Processing, Business Transformation, Organizational Change, Digital Transformation, Artificial Intelligence and Machine Learning (AI/ML), Organizational Effectiveness, Performance Improvement, Emerging Technologies, Product Improvement, Operational Efficiency, Goal Setting, Product Requirements
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Anomaly Detection, Embeddings, LLM Application, Generative AI, Semantic Web, Application Design, Natural Language Processing, Image Analysis, AI Personalization
Beginner · Project · Less Than 2 Hours

Infosec
Skills you'll gain: Exploit development, C (Programming Language), C++ (Programming Language), Secure Coding, Application Security, System Programming, Debugging, Vulnerability Assessments
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management, Risk Management Framework, Infrastructure Security, Safety Assurance, Threat Modeling, Information Systems Security, Security Controls, Security Engineering, Security Requirements Analysis, Safety Standards, Safety and Security, Cybersecurity, Cyber Security Strategy, Continuous Monitoring, Cyber Risk, Hardening, Vulnerability Assessments, Cyber Security Policies, Cyber Security Assessment, Industrial Design
Beginner · Course · 1 - 3 Months