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: Penetration Testing, Security Testing, Hardening, Brute-force attacks, Test Automation, Business Logic, Cloud Security, Network Analysis, Programming Principles, API Testing, General Data Protection Regulation (GDPR), Cloud Computing, Vulnerability Management, Wireless Networks, Data Persistence, Application Programming Interface (API), Data Security
Intermediate · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Endpoint Detection and Response, Cyber Operations, Cybersecurity, Cyber Security Policies, Security Management, Digital Forensics
Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: LinkedIn, Professional Networking, Professional Development, Interviewing Skills, Mentorship, Social Media, Rapport Building, Social Media Strategy, Business Research, Relationship Building, Professionalism, Business Correspondence, People Development, Business Writing, Job Evaluation, Relationship Management, Strategic Communication, Communication, Decision Making, Leadership
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Email Marketing, Prospecting and Qualification, Email Automation, Marketing Automation, A/B Testing, Copywriting, Prompt Engineering, Customer Retention, Cross-Channel Marketing, Email Security, Data-Driven Marketing, HubSpot CRM, Marketing Analytics, Content Performance Analysis, Customer Analysis, Customer Relationship Management (CRM) Software, Campaign Management, Marketing Effectiveness, Target Audience, E-Commerce
Beginner · Specialization · 3 - 6 Months
University of Alberta
Skills you'll gain: Sprint Planning, Risk Management Framework, Agile Software Development, Agile Product Development, Agile Methodology, User Requirements Documents, Agile Project Management, Requirements Analysis, Software Development, Risking
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, Retrieval-Augmented Generation, Large Language Modeling, AI Security, Agentic Workflows, Embeddings, Generative AI Agents, Vector Databases, Generative AI, Application Deployment, Context Management, Artificial Intelligence, AI Personalization, Knowledge Transfer, Prototyping, Test Tools, JSON, Systems Architecture, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Vector Databases, Hugging Face, AI Personalization, Artificial Intelligence, Embeddings, Natural Language Processing, Feature Engineering, MongoDB
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management, Enterprise Risk Management (ERM), Risk Analysis, Risk Management Framework, Governance Risk Management and Compliance, Legal Risk, Blockchain, IT Security Architecture, Cyber Risk, Information Technology Architecture, Security Architecture Review, Governance, Project Documentation, Technical Documentation, Regulatory Compliance, Software Documentation, Law, Regulation, and Compliance, Solution Architecture, Cyber Governance, Regulation and Legal Compliance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Job Control Language (JCL), Mainframe Computing, z/OS, Mainframe Technologies, Virtualization, Virtualization and Virtual Machines, Unix, IBM DB2, Data Maintenance, Data Management, Virtual Machines, Database Management Systems, Hardware Architecture, Unix Shell, Operating System Administration, Infrastructure Architecture, Computing Platforms, System Programming, Linux, Control Panels
Intermediate · Professional Certificate · 1 - 3 Months

LearnQuest
Skills you'll gain: Angular, JavaScript Frameworks, UI Components, Data Transformation, User Interface (UI), Dataflow, Hypertext Markup Language (HTML), Code Reusability, Application Frameworks, Network Routing, Cascading Style Sheets (CSS)
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Networking Hardware, Network Infrastructure, Network Routers, Network Switches, Network Architecture, Internet Of Things, General Networking, Network Administration, Infrastructure Security, Network Planning And Design, Network Security, Cloud-Based Integration, System Implementation, Cloud Computing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: NIST 800-53, Risk Management Framework, Cyber Risk, Federal Information Security Management Act, Systems Development Life Cycle, Cybersecurity, Continuous Monitoring, Security Management, Cyber Governance, Cyber Security Strategy, Security Controls, Infrastructure Security, Cyber Security Assessment, Incident Response, Authorization (Computing), Security Requirements Analysis, Cyber Security Policies, Information Assurance, Information Systems Security, Personally Identifiable Information
Beginner · Specialization · 3 - 6 Months