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.

LearnKartS
Skills you'll gain: Amazon Web Services, Amazon S3, Amazon Elastic Compute Cloud, Amazon Redshift, Amazon DynamoDB, Cloud Infrastructure, Cloud Storage, Cloud Deployment, Cloud Computing Architecture, Databases, Virtual Networking, Servers, Database Management, Network Infrastructure, Cloud Security, General Networking, Data Storage Technologies, Relational Databases, Network Administration, Data Migration
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Marketing Analytics, Key Performance Indicators (KPIs), Marketing Effectiveness, A/B Testing, Web Analytics and SEO, Digital Marketing, Customer experience improvement, Performance Metric, Performance Measurement, Marketing Strategies, Mobile Security, Process Optimization, Marketing, Web Applications, Sales
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Local Area Network (VLAN), Open Shortest Path First (OSPF), Network Routing, Network Switches, Routing Protocols, Virtual Networking, TCP/IP, Network Architecture, Local Area Networks, Network Troubleshooting, Network Protocols, System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: OSI Models, TCP/IP, Network Monitoring, Network Protocols, Network Troubleshooting, Network Security, Network Administration, Network Analysis, Cyber Security Assessment, Linux
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Box Plots, Plot (Graphics), Descriptive Statistics, Scatter Plots, Histogram, Jupyter, Matplotlib, Data Presentation, Ggplot2, Statistical Visualization, Data Manipulation, Statistical Hypothesis Testing, Regression Analysis, Correlation Analysis, Data Visualization, Data Visualization Software, Data Analysis, R Programming, Python Programming
Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon S3, Amazon CloudWatch, Cloud Solutions, Cloud Management, Cloud Computing, Cloud Computing Architecture, Network Architecture, Virtual Networking, User Accounts, Personally Identifiable Information
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mac OS, Application Lifecycle Management, Endpoint Security, iOS Development, Cloud Deployment, Network Administration, Security Controls, Safety and Security, Mobile Development Tools, Computer Security, General Networking, Test Planning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Applications, Authentications, Google Cloud Platform, Cloud API, Web Applications, User Accounts, Web Development Tools, Web Development, Network Security
Intermediate · Project · Less Than 2 Hours

Fundação Instituto de Administração
Skills you'll gain: Big Data, Data Mining, Data-Driven Decision-Making, Marketing Automation, Marketing Strategies, Customer experience strategy (CX), Digital Transformation, Marketing Analytics, Ggplot2, Marketing, Data Visualization Software, Plot (Graphics), Data Modeling, R Programming, Analytics, Data Science, Data Analysis, Innovation, Business Analytics, Data Manipulation
Beginner · Specialization · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Time Series Analysis and Forecasting, Forecasting, R Programming, Bayesian Statistics, Statistical Modeling, R (Software), Statistical Analysis, Statistical Inference, Regression Analysis, Data Analysis, Correlation Analysis, Mathematical Modeling, Probability Distribution
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Virtual Networking, Amazon Web Services, Virtual Private Networks (VPN), Network Routing, Network Architecture, General Networking, Network Security, Network Monitoring
Beginner · Course · 1 - 4 Weeks