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: Dynamic Host Configuration Protocol (DHCP), Routing Protocols, Network Routing, Network Routers, Virtual Private Networks (VPN), TCP/IP, Network Engineering, Network Protocols, General Networking, Network Security
Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Warehousing, Apache Hadoop, Distributed Computing, Scalability, Transaction Processing, Database Systems, Database Design, Applied Machine Learning, Database Management Systems, Data Architecture, Database Theory, Database Management, Database Architecture and Administration, Cloud Computing, Big Data, Relational Databases, Query Languages, Databases, Data Processing, SQL
Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, Statistical Machine Learning, Data Science, Statistical Methods, Classification And Regression Tree (CART), Statistical Analysis, Model Evaluation, Regression Analysis, Predictive Modeling, R Programming, Statistical Inference, Logistic Regression, Model Training, Machine Learning, Classification Algorithms, Supervised Learning, Unsupervised Learning, Machine Learning Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Business Leadership, Strategic Leadership, Strategic Prioritization, Leadership, Initiative and Leadership, Leadership Development, Drive Engagement, Agile Project Management, Discussion Facilitation, Organizational Leadership, Strategic Decision-Making, Prioritization, Agile Methodology, Business Priorities, Systems Thinking, Decision Making, Organizational Change, Strategic Planning, Innovation, Change Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Email Automation, Agentic Workflows, AI Workflows, AI Integrations, Calendar Management, Scheduling, AI Security, Workflow Management, Dataflow, Classification Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Web Applications, Penetration Testing, Application Security, Security Controls, Security Testing, Vulnerability Assessments, Application Programming Interface (API), Exploitation techniques, Web Servers, Cloud Security
Intermediate · Course · 1 - 4 Weeks
Starweaver
Skills you'll gain: Threat Detection, Identity and Access Management, Cybersecurity, Cyber Attacks, Cyber Operations, Endpoint Detection and Response, Threat Management, MITRE ATT&CK Framework, Incident Response, Security Awareness, Zero Trust Network Access, Human Factors (Security), Cyber Security Policies, Security Management, Computer Security Incident Management, Security Information and Event Management (SIEM), Endpoint Security, Security Controls, Incident Management, General Data Protection Regulation (GDPR)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Wide Area Networks, Software-Defined Networking, Open Shortest Path First (OSPF), Network Routing, Network Planning And Design, Virtual Networking, Virtual Private Networks (VPN), Network Architecture, Border Gateway Protocol, Network Performance Management, Network Protocols, Cyber Security Policies, Configuration Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Customer experience improvement, Customer Engagement, Personalized Service, Social Media Management, Social Media, Social Media Marketing, Customer Relationship Building, Event Marketing, Customer Inquiries, Marketing, Promotional Strategies, Marketing Strategies, Strategic Communication, Communication Strategies, Business Strategy
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: AI Orchestration, Prompt Patterns, AI Workflows, Agentic Workflows, AI Integrations, OpenAI API, Token Optimization, Test Script Development, Context Management, Code Reusability, Secure Coding, Memory Management, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apple Service Certification, Knowledge of Apple Software, Mac OS, User Accounts, System Support, Desktop Support, Software Installation, File Management, Network Support, Operating System Administration, System Configuration, File Systems, General Networking, Knowledge of Apple Hardware, Data Storage, Data Management, Network Administration, Remote Access Systems, Application Security, Encryption
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Linux Servers, Linux Administration, Command-Line Interface, Bash (Scripting Language), Apache, Performance Tuning, Operating System Administration, Shell Script, Linux Commands, Web Servers, Server Administration, Unix Shell, Systems Administration, System Monitoring, Network Monitoring, Scripting, Servers, Unix Commands, Application Servers, File Systems
Intermediate · Course · 1 - 3 Months