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: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, File Systems, Scripting, User Accounts, Linux Servers, Command-Line Interface, Shell Script, System Configuration, Linux Commands, Unix Shell, Operating System Administration, Unix Commands, Open Source Technology, Disaster Recovery, System Monitoring, Systems Administration, Web Servers
Beginner · Specialization · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: Spatial Analysis, NoSQL, Geospatial Mapping, Geographic Information Systems, Geospatial Information and Technology, Big Data, MongoDB, File Systems, Databases, Apache Hadoop, Distributed Computing, Data Architecture, Cloud Computing, Apache Spark, Public Cloud, Database Systems, Data Processing, Scalability, Environmental Monitoring, Climate Change Programs
Beginner · Specialization · 3 - 6 Months

Tencent Cloud
Skills you'll gain: Cloud Computing Architecture, Hybrid Cloud Computing, Cloud-Native Computing, Cloud Applications, Cloud Computing, Serverless Computing, Solution Architecture, Private Cloud, Cloud Infrastructure, Data Migration, Big Data, Cloud Security, Systems Architecture, Microservices, Distributed Denial-Of-Service (DDoS) Attacks, Scalability, Artificial Intelligence, DevOps, Disaster Recovery
Advanced · Course · 3 - 6 Months

Packt
Skills you'll gain: Vulnerability Scanning, Network Security, Network Administration, Network Protocols, Network Analysis, TCP/IP, File Transfer Protocol (FTP), Software Installation, Ubuntu, Command-Line Interface, Open Source Technology
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Amazon Web Services, Amazon S3, Amazon Elastic Compute Cloud, Cloud Management, Capacity Management, Cloud Services, Product Support, Business Software
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Infrastructure As A Service (IaaS), Data Storage, Cloud Computing, Cloud Computing Architecture, Cloud Services, Cloud Storage, System Monitoring, Scalability
Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Virtual Local Area Network (VLAN), Network Switches, Network Troubleshooting, TCP/IP, Computer Networking, Local Area Networks, Network Protocols, Network Performance Management, System Configuration
Beginner · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Portfolio Management, Portfolio Risk, Investment Management, Performance Analysis, R Programming, Time Series Analysis and Forecasting, Risk Analysis, Financial Analysis, Financial Modeling, Financial Data, Statistical Programming, Regression Analysis, Data Manipulation, Data Visualization
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data-Driven Decision-Making, Descriptive Statistics, Data Analysis, Probability Distribution, Statistical Software, Statistics, R (Software), Data Visualization, Statistical Analysis, Probability, R Programming, Probability & Statistics, Data Manipulation, Histogram, Taxonomy, Data Import/Export
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Governance, Data Lakes, Metadata Management, Data Management, Data Warehousing, Data Architecture, Google Cloud Platform, Advanced Analytics, Data Security, Cloud Storage, Big Data, Cloud Computing, Applied Machine Learning, Open Source Technology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Email Automation, Agentic Workflows, AI Workflows, Multimodal Prompts, Tool Calling, Calendar Management, Machine Learning Methods, Scheduling, AI Security, Text Mining, Classification Algorithms, JSON
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Deep Learning, Tensorflow, Model Evaluation, Applied Machine Learning, Artificial Neural Networks, Machine Learning Methods, Performance Tuning, Machine Learning, Data Validation, Debugging, Algorithms
Beginner · Course · 1 - 4 Weeks