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.

Coursera
Skills you'll gain: AI Security, USB, Threat Modeling, Hardware Design, Electronic Hardware, Model Deployment, CI/CD, Electronics, Security Engineering, Electrical Systems, Electronics Engineering, Routing Protocols, Electrical Power, Power Electronics, Design Reviews, Computer-Aided Design, Electronic Components, Schematic Diagrams, Technical Design, Design
Intermediate · Specialization · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Blockchain, Digital Assets, Cryptography, Security Awareness, Payment Systems, FinTech, Emerging Technologies, Cybersecurity, Investments, Transaction Processing
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Agentic systems, OpenAI API, AI Workflows, Performance Tuning, Real Time Data, Tool Calling, Prompt Engineering, AI Security, Application Programming Interface (API), Artificial Intelligence, Software Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Star Schema, Snowflake Schema, Data Warehousing, CI/CD, Database Design, Transact-SQL, Data Pipelines, Extract, Transform, Load, Data Architecture, Data Modeling, Data Transformation, Data Integration, Microsoft Azure, Dataflow, Git (Version Control System), Performance Tuning
Intermediate · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Hugging Face, Large Language Modeling, Transfer Learning, Rust (Programming Language), Data Validation, Model Deployment, Verification And Validation, Performance Tuning, System Requirements, Model Evaluation, Hardware Architecture, Deep Learning, Data Quality
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Cloud Infrastructure, Terraform, Load Balancing, Infrastructure as Code (IaC), Cloud Computing, Managed Services, Solution Architecture, Virtual Machines, Network Infrastructure, Virtual Private Networks (VPN), Scalability
Intermediate · Course · 1 - 3 Months
Skills you'll gain: E-Commerce, Order Management Systems, Web Analytics, Scalability, Open Source Technology, Growth Strategies, Strategic Decision-Making, Business Software, Data Analysis Software, WordPress, Company, Product, and Service Knowledge, Inventory Control, Inventory Management System, Decision Making, Content Management Systems, Payment Systems, Cost Control
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Data Management, File I/O, Network Protocols
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Splunk, Data Transformation, Dashboard, Statistical Visualization, Data Visualization Software, Statistical Analysis, Data Manipulation, Scatter Plots, Time Series Analysis and Forecasting, Correlation Analysis, Event Monitoring, Security Information and Event Management (SIEM), Geospatial Mapping
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Market Opportunities, AI Enablement, AI Product Strategy, Responsible AI, Artificial Intelligence, Data Ethics, Applied Machine Learning, Artificial Neural Networks, Data Science, Deep Learning, Machine Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Fraud detection, Marketing Analytics, Predictive Modeling, Customer Analysis, Feature Engineering, Marketing Effectiveness, Exploratory Data Analysis, Anomaly Detection, Customer Retention, Advanced Analytics, Market Analysis, Predictive Analytics, Statistical Analysis, Sales Management, Analytics, Data Analysis, R Programming, Credit Risk, Applied Machine Learning, Analytical Skills
Beginner · Specialization · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Wireless Networks, Mobile Security, General Networking, Proxy Servers, Network Security, Cybersecurity, Virtual Private Networks (VPN), Security Awareness, Information Privacy, Emerging Technologies
Beginner · Course · 1 - 3 Months