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.

The Hong Kong University of Science and Technology
Skills you'll gain: OSI Models, Computer Networking, Teaching, TCP/IP, Student Engagement, Network Protocols, Pedagogy, Multimedia, Instructional Strategies, Cultural Diversity, Music
Beginner · Course · 1 - 3 Months

Ball State University
Skills you'll gain: Data Ethics, Data Collection, Probability & Statistics, Statistics, Sampling (Statistics), Data Science, R Programming, Statistical Methods, Data Structures, Data Analysis, Data Capture, Information Privacy, Tidyverse (R Package), Data Quality, Informed Consent, Social Impact, Ethical Standards And Conduct, Data Validation, Algorithms, Big Data
Build toward a degree
Beginner · Course · 1 - 3 Months
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Model Evaluation, Tensorflow, Convolutional Neural Networks, Computer Vision, Keras (Neural Network Library), Development Environment, Image Analysis, Machine Learning, Deep Learning, Data Persistence, Artificial Neural Networks
Beginner · Project · Less Than 2 Hours

Skills you'll gain: AI Security, Threat Modeling, Threat Management, MITRE ATT&CK Framework, LangChain, Threat Detection, Responsible AI, Large Language Modeling, Continuous Monitoring, Event Monitoring, Security Testing, Generative AI, Embeddings, System Monitoring, LangGraph, Prompt Engineering, Vector Databases
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Data Governance, Information Privacy, Governance, Law, Regulation, and Compliance, General Data Protection Regulation (GDPR), Compliance Management, Personally Identifiable Information, Regulation and Legal Compliance, Program Development, Data Sharing, Accountability
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Risk Management, Risk Appetite, Continuous Monitoring, Risk Mitigation, Vulnerability Management, Threat Detection
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cloud Deployment, Infrastructure as Code (IaC), Google Cloud Platform, Application Deployment, Kubernetes, Google App Engine, Terraform, Continuous Deployment, Microservices, Continuous Integration, Cloud Storage, Containerization, Security Strategy, Capacity Management, DevOps, Network Troubleshooting, Virtual Machines, System Monitoring, Scalability, Analytics
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Web Services, Vulnerability Assessments, Security Testing, Cyber Security Assessment
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Video Production, Infographics, Graphic and Visual Design, Graphic Design, Content Creation, Social Media Marketing, Marketing Communications
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Correlation Analysis, Tidyverse (R Package), Data Analysis, Regression Analysis, Probability & Statistics, Statistical Methods, Data Import/Export, Statistical Analysis, R Programming, Data Wrangling, Data Manipulation
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Statistical Modeling, Exploratory Data Analysis, R Programming, Predictive Modeling, Statistical Hypothesis Testing, Tidyverse (R Package), Data Analysis, Data Modeling, Regression Analysis, Data Science, Classification And Regression Tree (CART), Statistical Inference, Statistical Analysis, Rmarkdown, Data Preprocessing, Statistical Methods, Model Evaluation, Machine Learning
Mixed · Course · 1 - 3 Months