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: Continuous Delivery, Continuous Deployment, Continuous Integration, Test Driven Development (TDD), Agile Methodology, Test Automation, Unit Testing, Software Development, Software Development Methodologies, Code Review, Debugging, Python Programming, Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Networking, Open Shortest Path First (OSPF), Network Planning And Design, TCP/IP, Computer Networking, System Monitoring, Wireless Networks, Network Routing, Security Controls, Network Switches, Cloud Infrastructure, Local Area Networks, Puppet (Configuration Management Tool), Wide Area Networks, Virtual Machines, Chef (Configuration Management Tool), Real Time Data, Authentications, Scripting, JSON
Intermediate · Specialization · 1 - 3 Months

Lund University
Skills you'll gain: Business Modeling, Digital Transformation, Innovation, Business Process, Software Development, Network Analysis, Business Strategy, E-Commerce, Strategic Thinking, Value Propositions, Apple iOS, Decision Making, Case Studies, Amazon Web Services
Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Portfolio Management, Derivatives, Financial Market, Securities (Finance), Investment Management, Portfolio Risk, Asset Management, Credit Risk, Mortgage Loans, Mathematical Modeling, Applied Mathematics, Capital Markets, Financial Modeling, Risk Modeling, Regression Analysis, Market Liquidity, Futures Exchange, Risk Management, Equities, Actuarial Science
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Cybersecurity, Public Key Cryptography Standards (PKCS), Key Management, Advanced Encryption Standard (AES), Encryption, Brute-force attacks, Authentications, Arithmetic, Algorithms, Applied Mathematics, Data Integrity, Probability, Computer Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Power Platform, Microsoft Power Automate/Flow, Power BI, Dashboard, No-Code Development, Data Visualization, Data Integration, Interactive Data Visualization, Microsoft 365, Business Intelligence, Business Process Automation, Application Development, Data Analysis, Performance Analysis, Generative AI Agents, Application Design, Automation, Data Security, Business Process, Microsoft Teams
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: OSI Models, TCP/IP, Network Routing, Network Troubleshooting, Network Planning And Design, Network Protocols, Networking Hardware, General Networking, Computer Networking, Command-Line Interface, Virtual Networking, Network Architecture
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: LangGraph, AI Orchestration, System Monitoring, CrewAI, Agentic Workflows, Continuous Monitoring, Agentic systems, Enterprise Application Management, Event Monitoring, Artificial Intelligence and Machine Learning (AI/ML), Site Reliability Engineering, AI Enablement, Model Deployment, Generative AI Agents, Generative Model Architectures, AI Security, Systems Architecture, Software Architecture, Application Deployment, Middleware
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Internet Of Things, Application Programming Interface (API), TCP/IP, Electronics, Embedded Systems, Network Protocols, USB, General Networking, Electronic Systems, Hardware Design, Digital Signal Processing, Computer Hardware, Python Programming, Linux, Servers
Mixed · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Open Web Application Security Project (OWASP), AI Security, Vulnerability Assessments, Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Cryptography, Penetration Testing, Intrusion Detection and Prevention, Cybersecurity, Cyber Security Assessment, Malware Protection, Mobile Security, Threat Detection, Encryption, Cloud Security, Threat Management, Web Applications, Internet Of Things, Cloud Computing, Network Architecture
Intermediate · Specialization · 1 - 3 Months

University of Alberta
Skills you'll gain: Software Architecture, Unified Modeling Language, Systems Architecture, Software Design, Software Visualization, Product Family Engineering, Software Development, Software Documentation, Software Design Patterns, Maintainability, Application Deployment, Scalability, Databases
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, Extract, Transform, Load, Data Modeling, Clinical Research, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Manipulation, Predictive Modeling, Database Design, Google Cloud Platform, Intensive Care Unit, Data Ethics, Data Quality, Risk Modeling, Natural Language Processing, Bioinformatics, Informatics, Text Mining, Clinical Informatics, R Programming
Intermediate · Specialization · 3 - 6 Months