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: Network Security, Network Troubleshooting, Software-Defined Networking, Network Engineering, Network Monitoring, Virtual Networking, TCP/IP, Network Architecture, Computer Networking, Network Performance Management, Network Protocols, General Networking, Cybersecurity, Network Infrastructure, Network Administration, Local Area Networks, Network Analysis, OSI Models, Network Model, Network Routing
Build toward a degree
Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Cryptography, Encryption, Cryptographic Protocols, Key Management, Cybersecurity, Communication Systems, Digital Communications, Authentications, Data Integrity, Algorithms
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Marketing Analytics, Business Intelligence, Predictive Modeling, Google Analytics, Customer Analysis, Analytics, Model Evaluation, Predictive Analytics, Customer Insights, Data Validation, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Cyber Security Policies, Cyber Security Assessment, Risk Management Framework, Security Management, Cyber Risk, Cybersecurity, Cyber Governance, Cyber Security Strategy, Command-Line Interface
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Medical Privacy, Medical Records, Health Information Management and Medical Records, Health Information Management, Medical Office Procedures, Record Keeping, Information Privacy
Beginner · Course · 1 - 4 Weeks

Alfaisal University | KLD
Skills you'll gain: Event Management, Events and Conferences, Event Planning, Event Marketing, Advertising, Safety and Security, Cost Management, Security Management, Advertising Campaigns, Promotional Strategies, Budget Management, Expense Management, Program Evaluation, Human Resources Management and Planning, Human Resources, Budgeting, Return On Investment, Communication Strategies
Beginner · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Marketing Budgets, Peer Review, Key Performance Indicators (KPIs), Social Media Marketing, Social Media Campaigns, Strategic Marketing, Marketing Strategies, Budgeting, Marketing Effectiveness, Social Media, Social Media Strategy, Marketing Planning, Performance Measurement, Performance Metric, Business Planning, Cross-Channel Marketing, Target Market, Customer Engagement, Planning, Drive Engagement
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Record Keeping, Document Management, Accounting Records, Records Management, File Management, Compliance Management, Regulatory Compliance, Document Control, Regulatory Requirements, Regulation and Legal Compliance, Auditing, Financial Regulations, Data Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Statistical Visualization, Rmarkdown, Shiny (R Package), Plot (Graphics), Dashboard Creation, Dashboard, Leaflet (Software), Interactive Data Visualization, Data Presentation, R (Software), R Programming, Scatter Plots, Graphing, Box Plots, Geospatial Information and Technology, Data Science, Data Analysis
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Google Cloud Platform, Gemini, Generative AI, AI Security, Generative AI Agents, AI literacy, AI Product Strategy, Responsible AI, Cloud Platforms, Data Governance, Cloud Infrastructure
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Digital Forensics, File Systems, Microsoft Windows, grep, Network Protocols, File Management, Operating Systems, Data Structures, General Networking, Data Validation, Record Keeping, Data Storage Technologies, Data Storage, Data Integrity, User Accounts, USB, Identity and Access Management, Ethical Standards And Conduct, Encryption, System Configuration
Intermediate · Specialization · 3 - 6 Months

Kennesaw State University
Skills you'll gain: LinkedIn, Professional Networking, Professional Development, Mentorship, Rapport Building, Relationship Building, Professionalism, People Development, Relationship Management, Habit Formation, Growth Mindedness, Adaptability, Personal Development, Lifelong Learning, Self-Awareness
Beginner · Course · 1 - 3 Months