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.

LearnQuest
Skills you'll gain: JSON, Apple iOS, Mobile Development, Application Programming Interface (API), Swift Programming, Data Storage, Model View Controller, Data Modeling, Data Storage Technologies, UI Components, Network Protocols
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Digital Advertising, Email Marketing, Generative AI, Marketing Automation, AI Personalization, Advertising Campaigns, Marketing, Marketing Strategies, Content Creation, Keyword Research, Prompt Engineering, Search Engine Optimization, Social Media Marketing, Copywriting, E-Commerce
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Energy and Utilities, Electrical Systems, Electric Power Systems, Electrical Equipment, Power Electronics, Network Planning And Design, System Requirements, Interoperability
Beginner · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Market Liquidity, Derivatives, Securities Trading, Financial Regulation, Financial Market, Securities (Finance), FinTech, Financial Systems, Banking, Financial Trading, Financial Services, Market Dynamics, Finance, Actuarial Science, Commercial Banking, Investments, Futures Exchange, Financial Statements, Risk Modeling, Equities
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Data Encryption Standard, Advanced Encryption Standard (AES), Cryptography, Encryption, Key Management, Algorithms
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Salesforce, Data Import/Export, Customer Relationship Management, Data Management, Dashboard, System Configuration, Workflow Management, Data Validation, Cloud Computing, Business Reporting, Business Process Automation, Data Integrity, User Accounts, Administration, Role-Based Access Control (RBAC), Data Security
Beginner · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Linux Administration, Devops Tools, Operating System Administration, General Networking, Linux, Linux Commands, Ubuntu, Software Development Tools, Web Applications, Network Administration, Application Development, TCP/IP, Network Troubleshooting, DevOps, Package and Software Management, Development Environment, Command-Line Interface, Java, Node.JS
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Random Forest Algorithm, Decision Tree Learning, Deep Learning, Applied Machine Learning, Artificial Neural Networks, Machine Learning Algorithms, Supervised Learning, Computer Vision, Regression Analysis, Natural Language Processing
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Informatics, Informatics, Health Care, Systems Analysis, Business Systems Analysis, Health Care Administration, Technical Communication, Requirements Analysis, Data Access
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Cloud Applications, Kubernetes, Identity and Access Management, Infrastructure As A Service (IaaS), Cloud Storage, Containerization, Cloud Computing, Virtual Machines, Network Infrastructure, Platform As A Service (PaaS), Data Centers, General Networking, Serverless Computing, Scalability
Beginner · Course · 1 - 3 Months

Xi'an Jiaotong University
Skills you'll gain: Operating Systems, Computer Systems, Computer Networking, Microsoft Office, Computer Architecture, Computer Hardware, Network Protocols, Information Technology, Computing Platforms, Computer Literacy, Computational Logic, Data Storage, File Management
Mixed · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: LinkedIn, Interviewing Skills, Social Media, Social Media Strategy, Professional Networking, Strategic Communication, Communication, Negotiation, Professionalism, Business Writing, Decision Making
Beginner · Course · 1 - 3 Months