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: Collaborative Software, Document Management, Data Sharing, File Management, Google Workspace, Project Documentation, Cross-Functional Collaboration, Verification And Validation, Role-Based Access Control (RBAC), Workflow Management, Identity and Access Management, Microsoft 365, Data Security, Security Awareness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Virtualization and Virtual Machines, Linux, Performance Tuning, Cloud-Native Computing, Linux Servers, Virtualization, Virtual Machines, Data Storage, Data Storage Technologies, Hybrid Cloud Computing, AI Enablement, Security Controls, Mainframe Computing, Hardware Architecture, Infrastructure Architecture, Virtual Networking, Mainframe Technologies, Networking Hardware, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.6 (34) · Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Investments, Portfolio Management, Investment Management, Portfolio Risk, Wealth Management, Asset Protection, Brokerage, Financial Market, Return On Investment, International Finance, Asset Management, Real Estate, Property and Real Estate, Securities (Finance), Risk Management, Securities Trading, Capital Markets, Market Analysis, Market Dynamics, Market Opportunities
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Rmarkdown, Knitr, Data Visualization, Data Validation, Statistical Hypothesis Testing, Data Presentation, Dashboard, Data Synthesis, Dashboard Creation, Regression Analysis, Power BI, A/B Testing, Data Transformation, Market Research, Statistical Analysis, R Programming, Business Intelligence, Microsoft Excel, Surveys
★ 3.3 (9) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Lakes, Data Governance, Transaction Processing, Microsoft Azure, Security Controls, Data Architecture, Power BI, Data Warehousing, Dataflow, Data Management, Identity and Access Management, Azure Active Directory, Data Pipelines, Role-Based Access Control (RBAC), Data Integration, Query Languages, Data Integrity, Real Time Data, Data Quality, Data Transformation
Intermediate · Course · 1 - 3 Months

The University of Chicago
Skills you'll gain: Keras (Neural Network Library), Machine Learning Methods, Unsupervised Learning, Machine Learning Algorithms, Deep Learning, Machine Learning, Statistical Machine Learning, Machine Learning Software, Decision Tree Learning, Applied Machine Learning, Scikit Learn (Machine Learning Library), Classification Algorithms, Supervised Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML), Random Forest Algorithm, Model Training, Dimensionality Reduction, Model Evaluation, Data Preprocessing
★ 3.9 (25) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Descriptive Statistics, Data Analysis, Exploratory Data Analysis, Quantitative Research, R Programming, Statistical Analysis, Histogram, R (Software), Statistical Methods, Statistical Programming, Probability & Statistics, Descriptive Analytics, Statistics, Statistical Software, Data Science
★ 4.8 (52) · Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Teradata SQL, SQL, Data Store, Database Design, Database Management, Relational Databases, Query Languages, Data Analysis, Data-Driven Decision-Making
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Sales Process, Contract Negotiation, Legal Strategy, Business Ethics, Cultural Responsiveness, Collaborative Software, AI Personalization, Customer Engagement, AI literacy
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Data Pipelines, Extract, Transform, Load, Data Lakes, Databricks, Data Architecture, Data Processing, Data Wrangling, Data Strategy, Data Presentation, Data Mining, Data Management, Data Governance, Data Integrity, Data Science, Live Streaming, SQL, Data Storage, Data Ethics, Data Security, Apache
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Law, Regulation, and Compliance, Regulatory Compliance, Demand Generation, Property Management, Decision Intelligence, Real Estate Transactions, Real Estate Sales, Customer Engagement, Automation, Risk Management, Decision Making, Data Analysis, Market Analysis
★ 3.4 (7) · Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Security, LLM Application, Cyber Security Assessment, Large Language Modeling, Continuous Monitoring, Security Testing, Responsible AI, Threat Modeling, Vulnerability Assessments, Prompt Engineering, Security Controls, Vulnerability Scanning, Security Strategy, AI Personalization, Exploitation techniques, System Implementation
Intermediate · Course · 1 - 4 Weeks