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.

Illinois Tech
Skills you'll gain: Database Design, Relational Databases, Database Theory, Data Modeling, Unified Modeling Language, Database Management, Databases, Data Integrity, Diagram Design, Dependency Analysis, Conceptual Design, Requirements Analysis
Build toward a degree
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Sales Pipelines, Overcoming Objections, Sales Management, Sales Process, Team Motivation, Performance Analysis, Team Performance Management, Sales Training, Sales, Dashboard, Business Ethics, Customer Relationship Management, Team Management, Business Technologies, Business Process Automation, Real Time Data, Cross-Channel Marketing, Forecasting, Compliance Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Strategic Sourcing, Supplier Management, Vendor Management, Contract Negotiation, Supplier Performance Management, Vendor Relationship Management, Supplier Relationship Management, Procurement, Cost Benefit Analysis, Financial Modeling, Negotiation, Market Research, Market Intelligence, Risk Management, Financial Analysis, Data-Driven Decision-Making, Process Improvement, Spreadsheet Software, Business Communication, Data Analysis
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Tensorflow, Keras (Neural Network Library), Model Deployment, Google Cloud Platform, Data Pipelines, Jupyter, Deep Learning, Pandas (Python Package), Predictive Modeling, NumPy, Data Preprocessing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: WordPress, Ajax, Development Environment, Content Management Systems, Web Development, Data Management, PHP (Scripting Language), Database Development, MySQL, Javascript and jQuery, Information Architecture, Database Management, Cascading Style Sheets (CSS), Application Security, User Accounts, Data Validation
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: CI/CD, Microsoft Azure, Data Lakes, Microsoft Power Platform, Azure Synapse Analytics, Data Pipelines, Analytics, Data Governance, Advanced Analytics, Data Security, Data Analysis Expressions (DAX), Data Management, Power BI, Microsoft Excel, Exploratory Data Analysis, Apache Spark, Application Deployment, SQL, Governance, Version Control
Intermediate · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Responsible AI, Predictive Modeling, Business Transformation, Data-Driven Decision-Making, Business Leadership, Data Science, Business Ethics, Business Analytics, Organizational Change, Innovation, Strategic Leadership, AI Security, Artificial Intelligence, Natural Language Processing, Machine Learning, Computer Vision, IT Service Management
Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: IT Security Architecture, Computer Security, Operating Systems, Security Engineering, Computer Systems, Information Systems Security, Security Controls, Cloud Security, Secure Coding, Virtualization, Security Testing, Virtual Machines
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Vulnerability Assessments, Cyber Threat Intelligence, Vulnerability Management, Cybersecurity, Data Persistence, Risk Analysis
Advanced · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Metasploit, Penetration Testing, Exploit development, Exploitation techniques, Threat Modeling, Cyber Threat Intelligence, Cybersecurity, Operating Systems, Hardening, Malware Protection, Vulnerability Assessments, Security Controls, Authorization (Computing), Intrusion Detection and Prevention, System Programming, Authentications, Data Persistence, Computer Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Firewall, Ubuntu, Network Monitoring, TCP/IP, Data Storage, Network Protocols, Network Troubleshooting, Unix, General Networking, Linux, Command-Line Interface, Data Storage Technologies, System Configuration, Network Security, File Management, Shell Script, Computer Hardware, Disaster Recovery
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Workflow Management, AI Enablement, Constructive Feedback, Generative AI, Large Language Modeling, Artificial Intelligence, Automation, Responsible AI, Technical Communication, Project Management, Data Ethics, Communication Strategies, Data-Driven Decision-Making, Data Science
Beginner · Course · 1 - 3 Months