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.

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

Skills you'll gain: Driving engagement, Video Production, Content Performance Analysis, Customer Engagement, Content Creation, Drive Engagement, Marketing Analytics, Digital Publishing, Social Media Analytics, Content Marketing, Marketing Channel, Target Audience, Content Strategy, Cross-Channel Marketing, Promotional Strategies, Marketing, Marketing Effectiveness, Business Marketing, Performance Analysis, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: File I/O, C and C++, Data Import/Export, C++ (Programming Language), Communication Systems, C (Programming Language)
Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Presentation, Executive Presence, Stakeholder Engagement, Decision Support Systems, AI literacy, Business Analysis, Strategic Thinking, Analytical Skills, Data Synthesis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Architecture, Real Time Data, Data Lakes, Capacity Management, Data Pipelines, PySpark, Transact-SQL, Apache Spark, Data Transformation, Data Security, Event Monitoring, Microsoft Copilot, Continuous Monitoring, Data Analysis, Workflow Management, SQL, Artificial Intelligence and Machine Learning (AI/ML), Python Programming, Warehouse Operations, Warehouse Management
Intermediate · Course · 1 - 3 Months

SkillUp
Skills you'll gain: Responsible AI, Data Ethics, Business Ethics, AI Enablement, Personally Identifiable Information, Artificial Intelligence, Ethical Standards And Conduct, AI literacy, Data Loss Prevention, Data Security, Information Privacy, Data Governance, Productivity Software, Accountability, Risk Control, Risk Analysis, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), TCP/IP, Network Administration, Network Protocols, Remote Access Systems, Network Performance Management, Network Troubleshooting, Network Security, Network Monitoring, System Configuration, Encryption
Beginner · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: AI Enablement, Business Leadership, Strategic Leadership, AI Product Strategy, Responsible AI, Business Strategy, Decision Intelligence, Generative Adversarial Networks (GANs), Strategic Decision-Making, Data Engineering, Organizational Effectiveness, Deep Learning, Artificial Intelligence, Organizational Development, AI Integrations, Data Ethics, Process Design, Human Centered Design, Data Quality, Data Pipelines
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Application Programming Interface (API), API Gateway, GraphQL, API Design, Restful API, OAuth, Software Documentation, Authentications, Debugging, Real Time Data, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux Servers, Web Servers, Lightweight Directory Access Protocols, Email Security, Linux, Nginx, Apache, Dynamic Host Configuration Protocol (DHCP), Linux Commands, Servers, Operating System Administration, Hardening, Server Administration, Active Directory, Windows Servers, File Systems, System Configuration, Microsoft Servers, Network Security
Advanced · Course · 1 - 3 Months

Packt
Skills you'll gain: Hardening, Remote Access Systems, Linux Servers, Linux Administration, Linux, Linux Commands, Authentications, Security Controls, Cryptographic Protocols, Key Management, Public Key Infrastructure, Package and Software Management, Software Installation
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Workspace, User Provisioning, User Accounts, Cloud Management, Cloud Services, Systems Administration, Role-Based Access Control (RBAC), Control Panels, Identity and Access Management
Beginner · Course · 1 - 4 Weeks