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: Cybersecurity, Cyber Operations, MITRE ATT&CK Framework, Exploitation techniques, Persistence, Intrusion Detection and Prevention, Scripting, Python Programming, Microsoft Windows
Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Microarchitecture, Computer Architecture, Computer Systems, Hardware Architecture, Computer Hardware, Data Storage, Data Storage Technologies, Computational Logic, Peripheral Devices, System Programming
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Oracle SQL Developer, Oracle Databases, PL/SQL, Database Design, SQL, Database Architecture and Administration, Stored Procedure, Database Management, Data Management, Network Architecture, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Blockchain, Emerging Technologies, Distributed Computing, Microsoft Azure, FinTech, Cloud Computing Architecture, Platform As A Service (PaaS), Cryptographic Protocols, Transaction Processing, Open Source Technology, Scalability, Data Storage Technologies, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Deep Learning, Artificial Intelligence, Amazon Web Services, Applied Machine Learning, Machine Learning
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, R Programming, Medical Privacy, Google Cloud Platform, Data Ethics, Data Science, Health Informatics, Data Processing, Electronic Medical Record, SQL, Data Access
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Virtualization, Cloud Computing, Virtual Machines, Cloud Services, Computer Hardware, Mobile Security, Operating Systems, Computer Displays, Containerization, Wireless Networks, Android (Operating System), Apple iOS
Build toward a degree
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Engineering, Model Based Systems Engineering, Test Engineering, Systems Thinking, Product Lifecycle Management, Engineering Management, Risk Management Framework, Engineering Design Process, System Requirements, Verification And Validation, Requirements Analysis
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Peripheral Devices, File Systems, Mac OS, User Accounts, Virtual Private Networks (VPN), File Management, TCP/IP, Data Security, System Configuration, Network Protocols, Operating System Administration, Network Administration, Network Support, Software Installation, General Networking, Remote Access Systems, Data Management, Unix Commands, Unix, Application Performance Management
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, System Monitoring, Linux Commands, Operating System Administration, File Systems, User Accounts, Command-Line Interface, Systems Administration, Data Storage, System Configuration, File Management, Data Storage Technologies, Network Monitoring, Network Administration, Software Installation, Network Troubleshooting
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Database Systems, Microsoft Azure, Databases, Relational Databases, MySQL, SQL, Database Management, NoSQL, Cloud Services, PostgreSQL, Data Storage Technologies, Data Security, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Feature Engineering, Responsible AI, Tensorflow, Exploratory Data Analysis, Data Quality, Machine Learning, Applied Machine Learning, Keras (Neural Network Library), Scikit Learn (Machine Learning Library), Google Cloud Platform, MLOps (Machine Learning Operations), Supervised Learning, Machine Learning Algorithms, Data Strategy, Artificial Neural Networks, Data Pipelines, Performance Tuning, Deep Learning, Data Transformation, Data Processing
Intermediate · Specialization · 3 - 6 Months