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.

LearnQuest
Skills you'll gain: SQL, Oracle Databases, PL/SQL, Database Management, Relational Databases, Database Design, Databases, Data Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Kotlin, Mobile Security, Android (Operating System), Android Development, Open Web Application Security Project (OWASP), Mobile Development, Application Security, Mobile Development Tools, Data Validation, Data Cleansing, Data Security, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Social Media Content, Content Creation, Content Performance Analysis, Social Media Marketing, Marketing Effectiveness, Content Development and Management, Video Production, Digital Media Strategy, Style Guides, Digital Design, Graphic Design, Graphic and Visual Design, Marketing Analytics, Web Analytics, Video Editing, Performance Measurement, Brand Management, Key Performance Indicators (KPIs), Drive Engagement
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Authentications, Role-Based Access Control (RBAC), Splunk, Security Assertion Markup Language (SAML), Single Sign-On (SSO), Identity and Access Management, Lightweight Directory Access Protocols, Authorization (Computing), Security Controls, Data Access, User Accounts, Scripting, Proxy Servers
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Scripting, Programming Principles, Computer Programming, Python Programming, Command-Line Interface, Development Environment, Integrated Development Environments, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Python Programming, Cybersecurity, Scripting, Programming Principles, IT Automation, Algorithms, Automation, Computer Programming, File Management, Data Structures
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: AI Security, Code Review, Secure Coding, Microsoft Copilot, Anthropic Claude, Security Testing, Prompt Patterns, LLM Application, OpenAI API, Generative AI, Large Language Modeling, Open Web Application Security Project (OWASP), Verification And Validation, AI Workflows, Generative AI Agents, Responsible AI, Vulnerability Scanning, AI Enablement, Prompt Engineering, GitHub
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Revenue Recognition, Data Visualization, Data Literacy, Accrual Accounting, Infographics, Cash Flows, Accounting, Data Collection, Data Quality, Business Analytics, Financial Statements, Financial Accounting, Business Analysis, Big Data, Analytics, Asset Management, Data Analysis, Intellectual Property, Network Model
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Version Control, Data Science, R (Software), GitHub, Data Literacy, Data Analysis, R Programming, Statistical Programming, Exploratory Data Analysis, Software Installation
Mixed · 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, NumPy, Data Manipulation, Feature Engineering, Supervised Learning, Inventory Management System, Supply Chain, Applied Machine Learning, Trend Analysis, Data Visualization, Customer Demand Planning, Machine Learning, Data Science, Data Analysis
Intermediate · Specialization · 3 - 6 Months
Rutgers the State University of New Jersey
Skills you'll gain: Strategic Sourcing, Lean Six Sigma, Lean Manufacturing, Demand Planning, Procurement, Supplier Relationship Management, Forecasting, Lean Methodologies, Process Improvement, Supplier Management, Operations Management, Purchasing, Production Process, Supply Management, Supply Chain, Warehouse Management, Supply Chain Planning, Inventory and Warehousing, Inventory Management System, Logistics
Beginner · Specialization · 3 - 6 Months
Starweaver
Skills you'll gain: Cyber Threat Intelligence, Intelligence Collection and Analysis, Cyber Threat Hunting, MITRE ATT&CK Framework, Threat Modeling, Threat Detection, AI Security, Malware Protection, Cyber Security Assessment, Cybersecurity, Artificial Intelligence, Network Analysis, Requirements Analysis, Technical Communication, Data Quality
Intermediate · Course · 1 - 4 Weeks