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: Active Directory, Azure Active Directory, Virtual Machines, Group Policy, Hyper-V, Microsoft Servers, Windows Servers, Virtualization and Virtual Machines, Cloud Infrastructure, Containerization, Virtualization, Remote Access Systems, Microsoft Azure, Virtual Private Networks (VPN), Virtual Networking, Network Security, Dynamic Host Configuration Protocol (DHCP), Hybrid Cloud Computing, Windows PowerShell, Data Storage Technologies
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: R (Software), R Programming, Computational Logic, Arithmetic, Statistical Programming, Development Environment, Programming Principles, Data Import/Export
★ 4.5 (52) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Threat Modeling, Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Risk Management, Secure Coding, Cyber Security Assessment, Security Testing, Systems Development Life Cycle, Cyber Governance, Risk Management Framework, Threat Management, Cyber Attacks, Software Development Life Cycle, Application Security, Cyber Security Policies, Threat Detection, Security Management, Security Requirements Analysis, Security Controls
★ 5 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Bedrock, Prompt Engineering, Responsible AI, Prompt Patterns, Generative Model Architectures, AI Security, Generative AI, MLOps (Machine Learning Operations), AWS SageMaker, Artificial Intelligence and Machine Learning (AI/ML), Amazon Web Services, Artificial Intelligence, Machine Learning, Model Evaluation, Natural Language Processing
★ 4.3 (16) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Network Routing, Amazon Web Services, Servers, Network Monitoring
★ 4.4 (27) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Google Workspace, Gmail, Lightweight Directory Access Protocols, Authorization (Computing), Active Directory, Enterprise Application Management, System Monitoring, User Provisioning, User Accounts, Event Monitoring, Group Policy, Cloud Security, Endpoint Security, Mobile Security, Compliance Auditing, Data Security, Configuration Management, Incident Management, Application Deployment, Annual Reports
Intermediate · Specialization · 1 - 3 Months

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authorization (Computing), Cyber Risk, Authentications, Continuous Monitoring, Threat Management, Security Controls, Application Security, Secure Coding, System Monitoring, Cryptographic Protocols, Cryptography, Event Monitoring, Data Security, Identity and Access Management, Role-Based Access Control (RBAC), Hardening
★ 4.6 (26) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Natural Language Processing, Text Mining, Data-Driven Decision-Making, Usability Testing, Embeddings, Usability, Unstructured Data, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Keras (Neural Network Library), Model Optimization, Artificial Neural Networks, Applied Machine Learning, Model Training, Deep Learning, Python Programming, Performance Tuning, Machine Learning
★ 4.6 (71) · Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: ASP.NET, Restful API, .NET Framework, JSON, C# (Programming Language)
★ 3.9 (44) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce, Business Process Automation, Agentic Workflows, Generative AI Agents, AI Enablement, Salesforce Development, AI Workflows, Agentic systems, Automation, AI Product Strategy, Business Workflow Analysis, Process Optimization, Workflow Management, AI Integrations, Customer experience improvement, Scalability, Organizational Change, Performance Measurement, Business Metrics
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Data Governance, Databricks, Data Management, Metadata Management, Data Quality, Data Security
★ 2.8 (34) · Intermediate · Course · 1 - 4 Weeks