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.

Board Infinity
Skills you'll gain: CI/CD, Jenkins, Docker (Software), Containerization, Scalability, Application Deployment, Cloud Deployment, Spring Framework, Spring Boot, Amazon Elastic Compute Cloud, DevOps, Amazon CloudWatch, AWS Identity and Access Management (IAM), OAuth, Performance Tuning, System Monitoring, Problem Management, Cloud Security
Advanced · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Crisis Management, Mediation, Negotiation, Conflict Management, Diplomacy, Leadership, Governance, Public Safety and National Security, International Relations, Social Justice, Diversity and Inclusion, Decision Making, Case Studies
Beginner · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: API Gateway, Amazon Elastic Compute Cloud, Amazon Web Services, Virtual Networking, Application Programming Interface (API), Load Balancing, Cloud Infrastructure, Network Architecture, Network Infrastructure, Network Security, Network Routing, Scalability, Frontend Performance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Performance Measurement, Portfolio Management, Performance Analysis, Investments, Portfolio Risk, Financial Trading, Benchmarking, Derivatives, Equities, International Finance, Risk Management, Market Liquidity, Financial Regulation, Case Studies
Mixed · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Professional Networking, Social Media, Social Media Strategy, LinkedIn, Facebook, Professionalism, digital literacy, Brand Awareness, Content Creation, Relationship Building, Instagram, Information Privacy, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Information Privacy, Personally Identifiable Information, Document Management, Data Governance, Law, Regulation, and Compliance, Training Programs, Compliance Training, Security Awareness, Employee Training, Data Access, Auditing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Ggplot2, Model Evaluation, Data Visualization, Regression Analysis, Predictive Analytics, Predictive Modeling, Data-Driven Decision-Making, Statistical Modeling, R Programming, Descriptive Statistics, Statistical Methods, Exploratory Data Analysis, Statistical Analysis, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Disaster Recovery, Data Validation, Business Continuity, Security Controls, Risk Mitigation, Project Management, Risk Management, System Testing, Technical Management, System Implementation, Data Integrity, Software Development Methodologies
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Model Evaluation, Applied Machine Learning, Unsupervised Learning, Classification And Regression Tree (CART), Decision Tree Learning, Artificial Neural Networks, Classification Algorithms, Supervised Learning, Machine Learning Algorithms, Random Forest Algorithm, Predictive Modeling, Artificial Intelligence and Machine Learning (AI/ML), Dimensionality Reduction, Statistics
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Coursera
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Regression Analysis, Probability Distribution, Statistical Analysis, R Programming, Data Import/Export, Statistical Modeling, Statistical Methods, Tidyverse (R Package), Data Literacy, Plot (Graphics), Statistics, Data Manipulation, Data Analysis, Statistical Inference, Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Accounts, Linux, Linux Administration, Shell Script, Linux Commands, Command-Line Interface, Operating System Administration, System Monitoring, Unix Commands, File Systems, Unix, File Management, Software Installation, Virtual Machines, System Configuration, Operating Systems, Network Troubleshooting
Beginner · Course · 1 - 4 Weeks