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: Open Web Application Security Project (OWASP), Vulnerability Assessments, Application Security, Vulnerability Management, Secure Coding, Hardening, Security Controls, Cybersecurity, Authorization (Computing), Cryptography, System Configuration, Encryption
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Digital Transformation, Business Analysis, Requirements Elicitation, Gap Analysis, Analysis, Business Analytics, Business Requirements, Requirements Analysis, Systems Analysis, Business Process Modeling, Technology Strategies, Microsoft Excel, Project Management, Stakeholder Management, Stakeholder Communications, Change Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Computer Networking, Network Protocols, Web Applications, Computer Security Awareness Training, Network Routers, Wireless Networks, Technical Support and Services, Encryption, Security Awareness, Computer Literacy, System Configuration, Microsoft Office, Authentications, Microsoft Windows, Peripheral Devices, Patch Management, Technical Support, Mac OS, Database Management
Beginner · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Loans, FinTech, Payment Systems, Key Management, Cryptography, Digital Assets, Market Liquidity, Financial Trading, Transaction Processing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computer Security Incident Management, NIST 800-53, Security Controls, Disaster Recovery, Authorization (Computing), Risk Analysis, Business Risk Management, Security Management, Continuous Monitoring, Change Control, Cybersecurity, Risk Management, System Monitoring, Security Strategy, Cyber Risk, Vulnerability Assessments, Cyber Security Policies, Vulnerability Management, Configuration Management, Enterprise Security
Intermediate · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: R Programming, R (Software), Statistical Analysis, Statistical Methods, Statistical Modeling, Data Analysis, Probability & Statistics, Regression Analysis, Research Design, Graph Theory
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Cloud Computing Architecture, Infrastructure Architecture, Cloud Computing, Virtual Machines, Network Infrastructure, General Networking, Virtual Private Networks (VPN), Command-Line Interface, Network Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Single Sign-On (SSO), Identity and Access Management, Authentications, Authorization (Computing), Active Directory, Multi-Factor Authentication, Microsoft Azure, Role-Based Access Control (RBAC), User Accounts, Security Controls, Enterprise Security, Cloud Services
Beginner · Course · 1 - 4 Weeks

Indian School of Business
Skills you'll gain: Financial Statements, Financial Statement Analysis, Financial Trading, Balance Sheet, Securities Trading, Financial Analysis, Market Liquidity, Financial Market, Market Data, Market Dynamics, Market Analysis, Investments, Cash Flows, Equities, Order Management, Risk Analysis
Beginner · Course · 1 - 4 Weeks

The Linux Foundation
Skills you'll gain: Package and Software Management, Linux, Command-Line Interface, File Systems, Unix Commands, Linux Administration, Linux Commands, User Accounts, Operating System Administration, System Configuration, System Monitoring, Operating Systems, Network Monitoring, Graphical Tools
Beginner · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Telecommunications, Internet Of Things, Wireless Networks, Emerging Technologies, Communication Systems, Computer Networking, Network Protocols, Global Positioning Systems
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Model View Controller, Apple iOS, JSON, Swift Programming, Apple Xcode, iOS Development, Responsive Web Design, Data Structures, Object Oriented Programming (OOP), Unit Testing, Programming Principles, Apple software proficiency, Transaction Processing, Mobile Development, User Interface (UI), Application Development, UI Components, Application Programming Interface (API), Data Storage, Data Modeling
Beginner · Specialization · 3 - 6 Months