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.

University of California San Diego
Skills you'll gain: Apache Hadoop, Big Data, Data Science, Scalability, Data Processing, Data Analysis, Distributed Computing, Data Quality, Virtual Machines
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Genentech
Skills you'll gain: Clinical Data Management, Clinical Trials, Interactive Data Visualization, Drug Development, Data Presentation, R (Software), Pharmaceuticals, Shiny (R Package), Data Visualization, Statistical Reporting, Data Modeling, R Programming, Technical Communication, Data Manipulation, Statistical Programming, Data Import/Export, Data Transformation, Data Science
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Network Troubleshooting, Software Architecture, Technical Support, Solution Architecture, Amazon Web Services, Issue Tracking, End User Training and Support, Cloud Computing Architecture, Cloud Computing, Technical Communication, Artificial Intelligence, Technical Documentation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Model Evaluation, Deep Learning, Machine Learning, Artificial Neural Networks, Artificial Intelligence, Python Programming, Data Preprocessing, Regression Analysis, Software Installation, System Configuration, Development Environment, Performance Tuning
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Wrangling, Exploratory Data Analysis, Tidyverse (R Package), Data Manipulation, Data Transformation, Data Cleansing, R Programming, Data Preprocessing, Statistical Programming, Text Mining
Mixed · Course · 1 - 3 Months
Fractal Analytics
Skills you'll gain: Prompt Engineering, Responsible AI, Generative AI, AI Security, Management Consulting, Business Consulting, Consulting, AI Enablement, Data Ethics, Technical Consulting, Quality Assurance, Market Research, Data-Driven Decision-Making, Automation
Intermediate · Course · 1 - 4 Weeks
Georgia Institute of Technology
Skills you'll gain: Cloud Applications, Cloud Computing, Cloud Infrastructure, Distributed Computing, Virtualization, Data Store, Software Systems, Multi-Tenant Cloud Environments, Virtual Machines, Scalability, Apache Hadoop
Mixed · Course · 1 - 3 Months

Skills you'll gain: Load Balancing, Microsoft Azure, Virtual Networking, Network Architecture, Cloud Computing Architecture, General Networking, Firewall, Network Security, Cloud Management, IT Automation, Data Migration, Cloud Security, Virtualization and Virtual Machines, Performance Tuning, Scalability, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploit development, Penetration Testing, Test Script Development, Technical Communication, Scripting, Technical Writing, Automation, Technical Consulting, Security Controls
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Brute-force attacks, Application Security, Web Servers, Content Management Systems, Application Programming Interface (API), Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Software-Defined Networking, YAML, Network Architecture, Network Protocols, Network Routing, Computer Networking, Data Modeling, Extensible Markup Language (XML), JSON, Automation, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks