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.

Infosec
Skills you'll gain: Risk Management Framework, Federal Information Security Management Act, NIST 800-53, Systems Development Life Cycle, Cyber Risk, Security Management, Continuous Monitoring, Cyber Security Policies, Security Controls, Authorization (Computing), Information Privacy, Information Systems
Mixed · Course · 1 - 3 Months
Universidade de São Paulo
Skills you'll gain: Talent Management, Team Management, Product Development, Decision Making, Agile Product Development, Business Process, Operational Analysis, Strategic Prioritization, Leadership, Business Strategy, Culture Transformation, Prioritization, Scalability, Employee Engagement
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Data Visualization, Exploratory Data Analysis, Plot (Graphics), Statistical Analysis, Data Presentation, Ggplot2, Program Evaluation, Policy Analysis, Surveys, Data Ethics, R (Software), Data Analysis, Tidyverse (R Package), Statistical Visualization, R Programming, Statistical Methods, Public Policies, Data Visualization Software, Case Studies, Political Sciences
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Cyber Security Assessment, Vulnerability Scanning, Cybersecurity, Vulnerability Assessments, Network Analysis, Exploitation techniques, Linux, Virtual Machines, Operating Systems
Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Site Reliability Engineering, Infrastructure as Code (IaC), Google Cloud Platform, Dataflow, Application Deployment, Cloud Computing Architecture, Identity and Access Management, Cloud Infrastructure, Google App Engine, Kubernetes, Cloud Services, Cloud Solutions, Cloud Computing, Cloud Storage, Cloud Management, CI/CD, Cloud Security, Network Monitoring, Big Data, Load Balancing
Intermediate · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Convolutional Neural Networks, Data Quality, Image Analysis, Data Pipelines, Applied Machine Learning, Data Preprocessing, Model Evaluation, Machine Learning
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Control Systems, Process Control, Manufacturing Processes, Automation Engineering, Embedded Software, Electronics, Semiconductors, Test Equipment, Medical Devices, Electronic Components, Performance Tuning, Reliability, Product Testing, Network Protocols
Build toward a degree
Intermediate · Course · 1 - 3 Months

Peking University
Skills you'll gain: Theoretical Computer Science, Graph Theory, Computational Logic, Logical Reasoning, Deductive Reasoning, Mathematics and Mathematical Modeling, Computational Thinking, Network Analysis, Algebra, Spatial Analysis, Computer Science
Beginner · Course · 3 - 6 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Application Security, Vulnerability Assessments, Vulnerability Management, Event Monitoring, Security Controls, Data Integrity, System Monitoring, Patch Management, Server Side
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Plotly, Interactive Data Visualization, Data Presentation, Data Visualization Software, R Programming, Data Mapping, Statistical Reporting, Software Documentation, Web Applications, Package and Software Management
Mixed · Course · 1 - 3 Months
Illinois Tech
Skills you'll gain: Linux, Cloud-Native Computing, Network Security, Linux Administration, Cloud Computing, Amazon Web Services, Infrastructure as Code (IaC), Cloud Computing Architecture, Network Troubleshooting, Operating System Administration, Cloud Platforms, Cloud Storage, Linux Commands, Software-Defined Networking, User Accounts, Cloud Infrastructure, Network Monitoring, Threat Modeling, Cloud Services, Data Infrastructure
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Shiny (R Package), Ggplot2, Tidyverse (R Package), Data Visualization, Spatial Data Analysis, Statistical Visualization, Scatter Plots, Plot (Graphics), Dashboard, Data Import/Export, Interactive Data Visualization, R Programming, Data Visualization Software, Geospatial Information and Technology, Data Literacy, Statistical Reporting, Storyboarding, Data Science, Data Analysis
Beginner · Specialization · 3 - 6 Months