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.

Akamai Technologies, Inc.
Skills you'll gain: Routing Protocols, OSI Models, Remote Access Systems, Network Architecture, TCP/IP, General Networking, Network Protocols, Network Troubleshooting, Computer Networking, Networking Hardware, Network Administration, Network Security, Network Model, Virtual Private Networks (VPN), Wireless Networks, Network Routers, Network Routing, Dynamic Host Configuration Protocol (DHCP), Intrusion Detection and Prevention, Network Analysis
★ 4.6 (167) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Model Evaluation, Regression Analysis, Leaflet (Software), Exploratory Data Analysis, Statistical Inference, Predictive Modeling, Statistical Hypothesis Testing, Machine Learning Algorithms, Plotly, Interactive Data Visualization, Probability & Statistics, Data Presentation, Data Visualization, Statistical Analysis, Statistical Modeling, R Programming, Machine Learning, GitHub
★ 4.4 (7.2K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), OSI Models, Wide Area Networks, Network Troubleshooting, TCP/IP, Wireless Networks, Cloud Computing, Network Routing, Routing Protocols, Network Security, Network Routers, Network Monitoring, Cloud Computing Architecture, Cloud Platforms, Event Monitoring, Threat Detection, Threat Management, Network Performance Management, Security Awareness
★ 4.7 (160) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Retrieval-Augmented Generation, Embeddings, Database Systems, Data Storage Technologies, Databases, Database Management, AI Integrations, Database Architecture and Administration, Generative AI
★ 4.6 (98) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Information Systems, Management Information Systems, Business Systems, Information Technology, Information Systems Security, Business Technologies, Information Management, Decision Support Systems, Open Source Technology, Business Systems Analysis, Technology Strategies, Systems Analysis, Emerging Technologies, Software Systems, Computing Platforms, Mobile Security, Web Applications, Operational Efficiency, Computer Hardware, Strategic Decision-Making
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Microsoft Azure, Big Data, Data Processing, Analytics, Data Pipelines, Databricks, Apache Spark, Data Analysis, Data Integration, Data Warehousing, Extract, Transform, Load, Real Time Data, Data Store, Data Transformation, Scheduling, Data Storage
★ 3.7 (68) · Intermediate · Course · 1 - 3 Months
Madecraft
Skills you'll gain: Data Storytelling, Dashboard, Dashboard Creation, Business Analytics, Analytics, Social Network Analysis, Fraud detection, Data Analysis, Data Presentation, Business Intelligence, Marketing Analytics, Pandas (Python Package), Analytical Skills, Network Analysis, Interactive Data Visualization, Power BI, Plot (Graphics), Exploratory Data Analysis, Data Visualization, Python Programming
Beginner · Specialization · 3 - 6 Months

Stanford University
Skills you'll gain: Physics, European History, Verification And Validation, Scientific Methods, electromagnetics, Research, Experimentation, Mechanics, Global Positioning Systems
★ 4.9 (3.2K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Medical Privacy, Patient Registration, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Medical Records, Claims Processing, Registration, Health Information Management, Electronic Medical Record System, Clinic Management Systems, Electronic Medical Record, Records Management, Clinical Documentation, Patient Safety, Data Entry, Document Management, Health Informatics, Data Validation, Data Security, Data Integrity, Regulatory Compliance
★ 3.6 (13) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsible AI, AI Enablement, Decision Intelligence, Governance, AI Security, Governance Risk Management and Compliance, Risking, Cyber Governance, Data Governance, Enterprise Architecture, Data Strategy, Data Ethics, Compliance Training, AI Workflows, Return On Investment, Security Controls, Accountability Frameworks, Security Strategy, Information Technology, Business
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: TCP/IP, Network Administration, Virtual Local Area Network (VLAN), Network Routers, Network Routing, General Networking, Network Architecture, Ansible, Virtual Networking, Puppet (Configuration Management Tool), Software-Defined Networking, Local Area Networks, Computer Networking, Command-Line Interface, Network Infrastructure, Network Security, Security Awareness, Network Engineering, IT Automation, Network Troubleshooting
★ 4.5 (47) · Intermediate · Specialization · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Marketing Analytics, Strategic Marketing, Digital Marketing Campaigns, Web Analytics and SEO, MarTech, Social Media Campaigns, Web Content, Cross-Channel Marketing, Social Media Marketing, Search Engine Optimization, Marketing Automation, Marketing Channel, AI Personalization, Marketing, Marketing Planning, Content Management Systems, Content Performance Analysis, Integrated Marketing Communications, Media Planning, Key Performance Indicators (KPIs)
★ 4.6 (8K) · Beginner · Specialization · 3 - 6 Months