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: Retrieval-Augmented Generation, Model Evaluation, Scalability, Vector Databases, Application Deployment, Model Optimization, Restful API, Token Optimization, Performance Tuning, Embeddings, Generative AI, Web Applications, Large Language Modeling, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Power Platform Architecture & Technical Design, Business Workflow Analysis, Process Analysis, Microsoft Power Platform, Process Mapping, Application Lifecycle Management, Microsoft Copilot, Business Continuity Planning, Solution Architecture, Data Loss Prevention, Business Process Improvement, Functional Requirement, Disaster Recovery, Enterprise Architecture, Digital Transformation, Data Modeling, Planning, Business Process, Risk Mitigation, Stakeholder Management
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Cybersecurity, Cryptography, Mobile Security, Cyber Operations, Cryptographic Protocols, Security Testing, Vulnerability Scanning, Application Security, Network Security, Operating Systems, Encryption, Hardening, Vulnerability Assessments, Computer Security
★ 4.1 (22) · Intermediate · Specialization · 3 - 6 Months
Madecraft
Skills you'll gain: Assertiveness, De-escalation Techniques, Personal Development, Self-Awareness, Resilience, Customer Service, Stress Management, Conflict Management, Recognizing Others, User Feedback, Goal Setting, Meditation & Breathwork, Emotional Intelligence, Team Building, Planning, Professional Networking
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Copilot, CI/CD, Cascading Style Sheets (CSS), GitHub, C# (Programming Language), HTML and CSS, ASP.NET, SQL, Database Management, Azure DevOps, Object Oriented Design, Continuous Integration, Version Control, Git (Version Control System), Object Oriented Programming (OOP), Responsive Web Design, Full-Stack Web Development, Secure Coding, .NET Framework, Graph Theory
★ 4.6 (526) · Beginner · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Data Persistence, Data Presentation, Big Data, Analytics, Data Processing, Data Analysis, Data Storage Technologies, Data Strategy, Data Storage, Data Integrity, Data Management, Data Infrastructure, Unstructured Data, Data Import/Export, Real Time Data, Data Collection
★ 3.9 (31) · Mixed · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Security Management, Incident Response, Risk Management, Computer Security Incident Management, Cyber Security Policies, IT Management, Cyber Governance, Risk Management Framework, Business Risk Management, Incident Management, Information Systems Security, Security Strategy, Law, Regulation, and Compliance, Enterprise Risk Management (ERM), Cyber Security Strategy, Information Management, Risk Control, Regulatory Compliance, Business Ethics, Data Ethics
★ 4.8 (52) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Protocols, TCP/IP, General Networking, Network Monitoring, Network Security, Network Analysis, Web Servers, Linux, Software Installation
★ 4.6 (146) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: HTML and CSS, GitHub, Mockups, User Interface and User Experience (UI/UX) Design, Version Control, User Interface (UI), Front-End Web Development, UI/UX Strategy, UI Components, Git (Version Control System), Web Design and Development, Cascading Style Sheets (CSS), Web Components, Figma (Design Software), Application Deployment, React.js, Frontend Integration, Web Design, Web Development, Software Development
★ 4.7 (62) · Advanced · Course · 1 - 3 Months

Multiple educators
Skills you'll gain: Data Store, Apache Airflow, Data Modeling, Data Pipelines, Data Storage, Data Storage Technologies, Data Architecture, Requirements Analysis, Data Processing, Data Warehousing, Query Languages, Data Preprocessing, Apache Hadoop, Requirements Elicitation, Vector Databases, Extract, Transform, Load, Data Lakes, Data Integration, Infrastructure as Code (IaC), Data Management
★ 4.7 (625) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Medical Billing, Medical Billing and Coding, Claims Processing, Medical Coding, Revenue Cycle Management, ICD Coding (ICD-9/ICD-10), CPT Coding, Medical Office Procedures, Medical Terminology, Adjudication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Continuity Planning, Cyber Attacks, Cybersecurity, Threat Management, Cyber Threat Intelligence, Business Continuity, Endpoint Security, Disaster Recovery, Cyber Security Policies, Cyber Governance, Vulnerability Assessments, Law, Regulation, and Compliance, Vulnerability Management, Network Security, Continuous Monitoring, Security Controls, Cloud Security, Risk Management
★ 4.6 (89) · Beginner · Course · 1 - 3 Months