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.

Whizlabs
Skills you'll gain: Virtual Networking, Amazon Web Services, Virtual Private Networks (VPN), Network Routing, Network Architecture, General Networking, Network Security, Network Monitoring
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Penetration Testing, Brute-force attacks, Cyber Operations, Scripting, Cybersecurity, Vulnerability Assessments, Python Programming, Network Analysis, Automation
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Sampling (Statistics), Sample Size Determination, Survey Creation, Data Collection, Statistical Analysis, Data Analysis Software, Interviewing Skills, Surveys, Research Design, STATA (Software), Data Integration, Data Validation, Data Ethics, Data Analysis, Stata, Data Quality, Statistical Modeling, Qualitative Research, Data Cleansing, R Programming
Beginner · Specialization · 3 - 6 Months

ESSEC Business School
Skills you'll gain: Hospitality Management, Hospitality, Marketing Channel, Business Modeling, Revenue Management, Direct Marketing, Booking (Sales), E-Commerce, Online Advertising, Web Analytics, Marketing Strategies, Web Design and Development
Mixed · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Wireless Networks, Telecommunications, Apple iOS, Display Devices, Product Planning, Android (Operating System), Business Strategy, Network Analysis, Emerging Technologies, Operating Systems, Peripheral Devices, Market Trend, Technical Standard
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Secure Coding, Software Design, Programming Principles, Debugging, Program Development, Vulnerability Assessments, C (Programming Language), Software Development Methodologies
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Environmental Policy, International Relations, Climate Change Mitigation, Energy and Utilities, Environment, Petroleum Industry, Oil and Gas, Governance, Climate Change Adaptation, Sustainable Development, Policy Analysis, Economics, Security Strategy, Electric Power Systems
Beginner · Course · 1 - 3 Months

Skills you'll gain: AWS Kinesis, AWS SageMaker, AWS CloudFormation, Data Quality, Docker (Software), Data Pipelines, AWS Identity and Access Management (IAM), Data Security, Database Systems, Databases, Version Control, Apache Spark, Cloud Engineering, Apache Airflow, Data Modeling, Cloud Security, Data Storage, Cloud Storage, Network Security, Data Processing
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Operating System Administration, Network Security, Package and Software Management, IT Infrastructure, Computer Networking, Information Systems Security, Systems Administration, Microsoft Windows, Cybersecurity, OSI Models, Encryption, Technical Support, Network Troubleshooting, Disaster Recovery, Operating Systems, Help Desk Support, TCP/IP, Lightweight Directory Access Protocols, Computer Hardware, Software Installation
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: General Data Protection Regulation (GDPR), Personally Identifiable Information, Information Privacy, Data Governance, Data Security, Cybersecurity, Data Management, Data Ethics, Cyber Governance, Security Controls, Cyber Risk, Data Access, Encryption, Risk Management Framework
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Data Presentation, Data Processing, Big Data, Apache Spark, Splunk, Data Analysis, Unstructured Data, Data Storytelling, Analytics, Data Wrangling, Network Analysis, Classification Algorithms
Mixed · Course · 1 - 3 Months

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