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: Incident Response, Disaster Recovery, Incident Management, Computer Security Incident Management, Business Continuity, Business Continuity Planning, Intrusion Detection and Prevention, Cyber Security Policies, Investigation, Threat Detection, Contingency Planning, Threat Management, Digital Forensics
★ 4.6 (50) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Application Specific Integrated Circuits, Hardware Design, Computer-Aided Design, Electronic Hardware, Systems Design, Computer Architecture, Electrical and Computer Engineering, Computer Engineering, Engineering Design Process, Electronics Engineering, Network Routing, Computational Logic, Electrical Engineering, Data Structures, Algorithms, Graph Theory, Applied Mathematics, Mathematical Modeling, Calculus
★ 4.7 (284) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Systems Development Life Cycle, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, AI Security, Software Quality (SQA/SQC), Performance Stress Testing, Software Development Methodologies, Regression Testing, User Acceptance Testing (UAT), AI Integrations, Maintainability, Code Review, Scalability, Automation, Code Coverage, Security Testing
★ 4.1 (47) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, Network Security, Network Analysis, Network Protocols, Active Directory, Lightweight Directory Access Protocols
★ 4.6 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: General Data Protection Regulation (GDPR), Personally Identifiable Information, Governance Risk Management and Compliance, Information Privacy, Data Governance, Data Security, Cybersecurity, Data Management, Cyber Attacks, Data Loss Prevention, Security Controls, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Incident Response, Cyber Risk, Encryption, Risk Management Framework
★ 4.7 (71) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Security Information and Event Management (SIEM), Splunk, Threat Detection, Computer Security Incident Management, System Monitoring, Cybersecurity, Security Management, Event Monitoring, Continuous Monitoring, Incident Response, Data Storage Technologies, Data Analysis Software, Information Management, Data Management, Data Integration, Data Import/Export, Software Installation
★ 4.6 (331) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Data-Driven Marketing, Personalized Campaigns, Prompt Engineering Tools, Prompt Patterns, Marketing Automation, Marketing Operations, AI Personalization, Marketing Effectiveness, Content Marketing, Campaign Planning, Social Media Campaigns, Content Performance Analysis, Marketing Strategies, Agentic Workflows, Marketing Analytics, Customer Relationship Management (CRM) Software, Customer Relationship Management, Data-Driven Decision-Making, Driving engagement
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: OSI Models, Computer Networking, Virtualization, Data Centers, Virtual Networking, General Networking, Network Architecture, Networking Hardware, Network Protocols, TCP/IP, Network Infrastructure, Local Area Networks, Network Model, Telecommunications
★ 4.9 (20) · Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Responsible AI, Data Ethics, AI literacy, Artificial Intelligence, Artificial Neural Networks, Ethical Standards And Conduct, Machine Learning Methods, Network Model, Deep Learning, Machine Learning, Generative Model Architectures, Empathy & Emotional Intelligence, Law, Regulation, and Compliance, Policy Development
★ 4.6 (486) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Recurrent Neural Networks (RNNs), Generative AI, Fine-tuning, Model Training, Vision Transformer (ViT), Model Optimization, Large Language Modeling, Embeddings, Network Architecture
★ 4.5 (68) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Patient Communication, Nursing and Patient Care, Nursing Basics, Care Coordination, Nursing Care, Caregiving, Patient Advocacy, Basic Patient Care, Direct Patient Care, Clinical Supervision, Patient Safety, Patient Observation, Nursing Homes, Healthcare Industry Knowledge, Trend Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Training, Model Optimization, Analysis, Performance Analysis
Intermediate · Course · 1 - 4 Weeks