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 Colorado System
Skills you'll gain: Public Key Infrastructure, Key Management, Cryptography, Cryptographic Protocols, Encryption, Authentications, Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Keras (Neural Network Library), Data Preprocessing, Artificial Neural Networks, Statistical Visualization, Predictive Modeling, Model Training, Tensorflow, Applied Machine Learning, Feature Engineering, Data Processing, Data Science, Predictive Analytics, Data Manipulation, Deep Learning, Data Wrangling, Machine Learning, Model Evaluation, Regression Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Target Audience, Meta Ads Manager, Generative AI, Social Media Marketing, Social Media Content, Social Media Strategy, Content Creation, Digital Marketing
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Regression Analysis, Linear Algebra, R Programming, Data Science, Probability Distribution, Statistical Modeling, Statistical Methods, Probability & Statistics, Applied Mathematics, Statistical Analysis, Statistics, Statistical Inference, Probability, Model Evaluation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Linux Administration, Linux Commands, Linux Servers, Shell Script, Unix, Unix Shell, Systems Administration, Unix Commands, Command-Line Interface, Patch Management, Scripting Languages, Package and Software Management, Virtualization and Virtual Machines, File Systems, File Management, Data Storage, Security Controls, User Accounts, Authorization (Computing)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Interviewing Skills, Professional Networking, Web Presence, Cybersecurity, Applicant Tracking Systems, Market Research, Recruitment, Portfolio Management, Job Analysis, Keyword Research, Business Writing, Negotiation, Writing, Technical Communication, Communication
Beginner · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Design Thinking, Creative Problem-Solving, Ideation, Innovation, Market Opportunities, Creativity, Storytelling, Design Strategies, Strategic Thinking, Data Visualization, Test Tools, Entrepreneurship, Case Studies, Peer Review
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Infrastructure as Code (IaC), Terraform, IT Infrastructure, Google Cloud Platform, Cloud Management, Cloud Development, Network Security
Beginner · Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Microservices, Spring Boot, Software Architecture, API Gateway, Spring Framework, Cloud-Native Computing, Service Oriented Architecture, Load Balancing, Systems Architecture, Cloud Computing, Software Design Patterns, Scalability, Restful API, Service Management, Network Routing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Sales, Sales Strategy, Driving engagement, Sales Pipelines, Selling Techniques, Social Media Campaigns, Social Media, Conversion Funnel Analysis, Social Media Content, Social Media Marketing, Customer Engagement, Web Analytics, Data-Driven Marketing, Content Creation, Content Performance Analysis, Drive Engagement, Content Strategy, Marketing Automation, Social Media Analytics, Storytelling
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Crisis Management, Systems Thinking, Stakeholder Communications, Leadership, Strategic Communication, Leadership Development, Contingency Planning, Threat Management, Climate Change Adaptation, Incident Management, Business Continuity Planning, Risk Management Framework, Change Management, Infrastructure Security, Communication Strategies, Resilience, Organizational Change, Engineering Management, Leadership Studies, Sustainable Development
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Northeastern University
Skills you'll gain: Systems Development Life Cycle, Software Development Life Cycle, Agile Software Development, Agile Methodology, Requirements Analysis, Agile Project Management, Requirements Management, Software Development Methodologies, User Requirements Documents, Requirements Elicitation, User Story, Waterfall Methodology, Software Architecture, Project Management, Cross-Functional Collaboration, Quality Assurance
Beginner · Course · 1 - 4 Weeks