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: File Systems, Mac OS, User Accounts, File Management, User Provisioning, Data Security, Operating System Administration, Software Installation, Unix, System Configuration, Unix Commands, Security Controls, Knowledge of Apple Hardware, Authorization (Computing), Data Management, Disaster Recovery, Data Storage, Control Panels, Encryption
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Data Validation, Project Risk Management, Business Continuity, Security Controls, IT General Controls (ITGC), Risk Mitigation, Project Management, Risk Management, System Testing, System Implementation, Information Management, Data Integrity, Software Development Methodologies, Program Evaluation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Computational Logic, Mathematical Modeling, Model Based Systems Engineering, Systems Design, Theoretical Computer Science, Verification And Validation, System Requirements, Systems Architecture, Automation Engineering, Functional Specification, Agentic systems, Control Systems, Mechanics, Requirements Analysis, Systems Analysis, Safety Assurance, Linear Algebra, Mathematical Theory & Analysis, Differential Equations, Algorithms
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

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

Skills you'll gain: Generative AI, Driving engagement, Campaign Management, Social Media Marketing, Social Media, Content Creation, Social Media Content, Innovation, Content Development and Management, Drive Engagement, Social Media Campaigns, Instagram, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Sales Pipelines, Sales Process, Sales Management, Sales Enablement, Lifelong Learning, Sales, Sales Training, Sales Strategy, Professional Development, Sales Operations, Process Optimization, Sales Development, Personal Development, People Development, Stress Management, Mentorship, Growth Mindedness, Self-Motivation, Relationship Building, Customer Relationship Building
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Intellectual Property, Research, Higher Education, Research Methodologies, Research Design, General Science and Research, Science and Research, Ethical Standards And Conduct, Student Engagement, Safety and Security, Innovation
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Teradata SQL, SQL, Data Store, Database Design, Database Management, Relational Databases, Query Languages, Data Analysis, Data-Driven Decision-Making
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Red Hat Enterprise Linux, Command-Line Interface, Linux Administration, Linux Commands, User Accounts, User Provisioning, Linux, Operating System Administration, Enterprise Application Management, Software Installation, System Configuration, Systems Administration, Security Controls, Control Panels, File Management, System Monitoring, User Interface (UI)
Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Digital Forensics, Microsoft Windows, Digital Analysis, User Accounts, USB, Identity and Access Management, File Systems, System Configuration, Software Installation, Image Analysis
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Fundraising, Philanthropy, Grant Writing, Grant Applications, Strategic Partnership, Relationship Building, Campaign Management, Driving engagement, Campaign Planning, Diversity and Inclusion, Communication Strategies, Consumer Behaviour, Diversity Awareness, Decision Making, Cultural Diversity
Intermediate · Course · 3 - 6 Months

Technical University of Munich (TUM)
Skills you'll gain: Cyber Governance, Cyber Security Policies, Safety Standards, Cybersecurity, Accident Prevention, Safety and Security, Medical Science and Research, Threat Management, Physical Science, Environmental Monitoring, Environmental Issue, Radiation Protection, Waste Minimization, Continuous Monitoring, General Medicine, Spatial Analysis, Risk Analysis, Physics, Mathematical Modeling
Intermediate · Course · 1 - 3 Months