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.

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cryptography, Cyber Security Assessment, Computer Security, Threat Modeling, Secure Coding, Cyber Security Strategy, Cloud Infrastructure, Email Security, Cloud Computing Architecture, Cloud Platforms, Security Controls, Security Testing, Hardening, Cloud-Native Computing, Database Application, Zero Trust Network Access, SQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unified Modeling Language, Visual Basic (Programming Language), Data Structures, Object Oriented Design, Microsoft Visual Studio, Program Development, Object Oriented Programming (OOP), Microsoft Development Tools, .NET Framework, Computer Programming
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Brute-force attacks, Cryptographic Protocols, Encryption, Key Management, Cybersecurity, Computer Security, Information Assurance, Theoretical Computer Science, Threat Modeling, Communication Systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Technical Analysis, Financial Trading, Market Dynamics, Market Trend, Securities Trading, Resource Allocation, Financial Market, Financial Planning, Market Liquidity, Market Analysis, Trend Analysis, Market Opportunities, Analysis, Equities, Go To Market Strategy, Performance Analysis, Decision Making
Mixed · Course · 1 - 3 Months

Skills you'll gain: Stored Procedure, SQL, Database Management, Databases, MySQL, Transaction Processing, Database Systems, Database Management Systems, PostgreSQL, Query Languages, Data Integrity, Data Access, Business Logic, Role-Based Access Control (RBAC), Advanced Analytics, Authorization (Computing), Data Manipulation
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Governance, Data Loss Prevention, Gmail, Google Workspace, Information Management, Data Management, Data Security, Document Management, Records Management, Data Storage, Data Import/Export, Email Security, System Configuration
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Threat Detection, Cyber Security Strategy, System Monitoring, Cybersecurity, Cyber Operations, Continuous Monitoring, Network Security, Network Monitoring, Python Programming, Scripting, Scripting Languages
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, .NET Framework, Web Applications, Application Deployment, Restful API, Model View Controller, Secure Coding, Content Management, Content Management Systems, Authentications, Test Automation, C# (Programming Language), Web Development, Performance Tuning, Docker (Software), Authorization (Computing), Web Development Tools, Kubernetes, API Testing, API Design
Intermediate · Specialization · 3 - 6 Months

Rutgers the State University of New Jersey
Skills you'll gain: Strategic Sourcing, Demand Planning, Procurement, Supplier Relationship Management, Supply Chain, Supply Chain Planning, Supplier Management, Operational Efficiency, Customer Demand Planning, Process Improvement, Supply Chain Management, Operations Management, Presentations, Operations, Product Flow Diagram, Logistics Management, Logistics, Strategic Communication, Forecasting
Mixed · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Anthropic Claude, Copywriting, Email Automation, Responsible AI, Brand Marketing, Marketing, Content Development and Management, Personalized Campaigns, Marketing Automation, Email Marketing, Marketing Strategies, Data Ethics, Social Media Marketing, Digital Marketing, AI Orchestration, Generative AI, Search Engine Marketing, Artificial Intelligence, Web Analytics and SEO, Business
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Cybersecurity, Cyber Security Assessment, Anomaly Detection, Cyber Attacks, Threat Detection, AI Security, Security Awareness, Network Analysis, Generative AI, Prompt Engineering, Email Security, Unsupervised Learning, Applied Machine Learning
Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: International Relations, Diplomacy, Political Sciences, Public Policies, Peer Review, Policy Development, Public Safety and National Security, Policy Analysis, Research, and Development, World History, Policy Analysis, Case Studies, Economics, Security Strategy
Beginner · Course · 1 - 3 Months