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.

University of Pennsylvania
Skills you'll gain: Health Insurance Portability And Accountability Act (HIPAA) Compliance, General Data Protection Regulation (GDPR), Medical Privacy, Information Privacy, Personally Identifiable Information, Regulatory Compliance, Data Security, Data Management, Data Sharing, Incident Response, Governance, Risk Management
Mixed · Course · 1 - 4 Weeks

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

Skills you'll gain: Social Media Campaigns, Pinterest, Advertising Campaigns, Social Media, Advertising, Lead Generation, Paid media, TikTok, Social Media Marketing, Social Media Strategy, Campaign Management, Target Audience
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Cybersecurity, Public Key Cryptography Standards (PKCS), Key Management, Advanced Encryption Standard (AES), Encryption, Brute-force attacks, Authentications, Arithmetic, Algorithms, Applied Mathematics, Data Integrity, Probability, Computer Science
Beginner · Specialization · 3 - 6 Months

Pearson
Skills you'll gain: Virtual Local Area Network (VLAN), Network Security, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Architecture, TCP/IP, Routing Protocols, Network Switches, Network Routing, Open Shortest Path First (OSPF), Wireless Networks, Ansible, General Networking, Network Infrastructure, Software-Defined Networking, Computer Networking, OSI Models, Local Area Networks, Network Planning And Design, Virtual Private Networks (VPN)
Beginner · Specialization · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Responsible AI, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), AWS SageMaker, Amazon Web Services, AI Enablement, AI Security, Artificial Intelligence, Applied Machine Learning, Prompt Engineering, Large Language Modeling, LLM Application, Model Deployment, Machine Learning
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Cyber Risk, Risk Management Framework, Cybersecurity, Cyber Governance, Cyber Security Strategy, Risk Management, Infrastructure Security, Cyber Security Assessment, Security Controls, Vulnerability Assessments, Stakeholder Communications, Continuous Improvement Process, Asset Management
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Microsoft Azure, Virtual Machines, Cloud Infrastructure, Network Security, Virtualization and Virtual Machines, Cloud Computing, Cloud Management, Firewall, Infrastructure Security, Cloud Security, Cloud Platforms, Cloud Storage, Virtual Networking
Beginner · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: First Aid, Mental Health Diseases and Disorders, Safety and Security, Psychological Evaluations, Adult Education, Resilience, Empathy
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: MongoDB, JavaScript Frameworks, Web Development Tools, Web Applications, Authentications, Web Development, Database Application, User Accounts, Application Security, Package and Software Management, Javascript, Software Installation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Stakeholder Engagement, Communication Planning, Stakeholder Communications, User Story, Project Coordination, Requirements Analysis, Milestones (Project Management), Project Management Software, Business Analysis, Kanban Principles, Waterfall Methodology, Risk Management, Communication, Product Lifecycle Management, Prioritization
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Marketing Analytics, AI Personalization, Advanced Analytics, Customer Retention, Analytics, Marketing Effectiveness, Predictive Modeling, Marketing, Data Analysis, Social Network Analysis, Customer Analysis, Data Ethics, Customer Insights, Market Analysis, Text Mining, Predictive Analytics, Marketing Strategy and Techniques, Digital Marketing, Machine Learning, Generative AI
Build toward a degree
Intermediate · Course · 1 - 4 Weeks