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 Infrastructure, Virtual Local Area Network (VLAN), Network Administration, Virtual Networking, Network Engineering, Network Troubleshooting, Network Architecture, Network Support, Network Monitoring, Software-Defined Networking, Software-Defined Data Center (SDDC), Data Centers, Network Switches, Open Shortest Path First (OSPF), Local Area Networks, Computer Networking, System Configuration, Network Model, IT Infrastructure, Automation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Feature Engineering, Exploratory Data Analysis, Pandas (Python Package), Scikit Learn (Machine Learning Library), Data Manipulation, Applied Machine Learning, NumPy, Statistical Machine Learning, Classification Algorithms, Data Preprocessing, Data Processing, Data Wrangling, Python Programming, Regression Analysis, Predictive Modeling, Machine Learning Algorithms, Machine Learning, Model Evaluation, Data Science, Statistical Hypothesis Testing
★ 3.7 (63) · Beginner · Course · 1 - 4 Weeks
University of Toronto
Skills you'll gain: Bioinformatics, Network Analysis, Laboratory Reports, Molecular Biology, Research Reports, Molecular, Cellular, and Microbiology, Biology, R (Software), Informatics, Correlation Analysis, Data Visualization Software, Biotechnology, Scientific Visualization, Network Model, Data Analysis Software, Data Synthesis, Life Sciences, Data Analysis, Microbiology, Analysis
★ 4.7 (2.2K) · Beginner · Specialization · 3 - 6 Months

Imperial College London
Skills you'll gain: Dimensionality Reduction, Linear Algebra, Regression Analysis, NumPy, Calculus, Unsupervised Learning, Applied Mathematics, Statistical Methods, Descriptive Statistics, Model Optimization, Mathematical Software, Machine Learning Methods, Applied Machine Learning, Jupyter, Statistics, Numerical Analysis, Machine Learning Algorithms, Geometry, Artificial Neural Networks, Data Science
★ 4.6 (15K) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Bioinformatics, Unix Commands, grep, Biostatistics, R (Software), Exploratory Data Analysis, Statistical Analysis, Unix Shell, Unix, Data Science, Data Management, Statistical Methods, Command-Line Interface, Statistical Hypothesis Testing, Linux Commands, Data Structures, Big Data, Molecular Biology, R Programming, Python Programming
★ 4.5 (6.9K) · Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, Frontend Integration, JSON, YAML, Java, Web Applications, Configuration Management, Angular, Java Programming, Software Architecture, Extensible Markup Language (XML)
★ 4.1 (224) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, Prompt Engineering, Threat Modeling, Responsible AI, AI Integrations, Prompt Patterns, Prompt Engineering Tools, Model Training, Security Controls, DevSecOps, Threat Management, Data Ethics, Threat Detection, Cybersecurity, Generative AI, Authorization (Computing), Data Security, Cyber Operations, Continuous Monitoring, Machine Learning
Intermediate · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: R (Software), Statistical Analysis, R Programming, Statistical Programming, Statistical Methods, Data Analysis, Debugging, Simulations, Program Development, Programming Principles, Software Installation, Data Structures, Performance Tuning, Data Import/Export
★ 4.5 (22K) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Governance Risk Management and Compliance, Responsible AI, Compliance Management, AI Security, Governance, Compliance Auditing, Regulatory Compliance, Performance Measurement, ISO/IEC 27001, Auditing, Internal Controls, Key Performance Indicators (KPIs), Gap Analysis, Risk Management Framework, Cloud Security, Policy Development, Risk Control, Risk Management, Risk Analysis, Cybersecurity
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon CloudWatch, Identity and Access Management, Amazon DynamoDB, Amazon Web Services, Cloud Computing, Amazon S3, Scalability, Cloud Infrastructure, Amazon Elastic Compute Cloud, Cloud Security, Cloud Management, Cloud Services, Cloud Solutions, Cloud Platforms, Computing Platforms, Cloud Computing Architecture, Serverless Computing, Cloud Storage, User Provisioning
★ 4.8 (6.3K) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Bash (Scripting Language), Operating Systems, File Systems, Linux Commands, Linux, SQL, Linux Administration, File Management, Unix Shell, Query Languages, Database Management, Command-Line Interface, Databases, Relational Databases, Authorization (Computing), Authentications, User Accounts
★ 4.8 (6.3K) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Image Analysis, Exploratory Data Analysis, Time Series Analysis and Forecasting, Data Wrangling, Model Evaluation, Data Preprocessing, Operations Research, Model Training, NumPy, Demand Planning, Feature Engineering, Supervised Learning, Supply Chain, Applied Machine Learning, Inventory Management, Trend Analysis, Data Visualization, Machine Learning, Data Science, Data Analysis
★ 3.4 (87) · Intermediate · Specialization · 3 - 6 Months