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: Microsoft Windows, Operating System Administration, Patch Management, System Configuration, File Systems, Windows PowerShell, Azure Active Directory, Active Directory, Systems Administration, Performance Tuning, Hardening, Desktop Support, System Monitoring, File Management, Data Storage, User Accounts, System Support, Virtual Machines, IT Infrastructure, Security Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computer Vision, Convolutional Neural Networks, Transfer Learning, Model Evaluation, Machine Learning Methods, Model Training, Fine-tuning, Classification Algorithms, Machine Learning Algorithms, Deep Learning, Model Optimization, Network Architecture
★ 4.3 (1.4K) · Intermediate · Course · 1 - 3 Months

Pearson
Skills you'll gain: Database Management Systems, Data Modeling, Cloud Infrastructure, Cloud Security, Databases, Management Information Systems, Cloud Computing, Database Systems, Security Awareness, Cloud Platforms, Database Management, Information Management, Cloud Computing Architecture, Database Design, Information Systems, Cloud Services, Cloud Solutions, Network Infrastructure, Network Model, Data Storage
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Professional Networking, Interviewing Skills, Technical Support, Technical Support and Services, Professional Development, Relationship Building, Help Desk Support, Professionalism, Verbal Communication Skills, Follow Through, Communication
★ 4.9 (146) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: COBOL (Programming Language), Job Control Language (JCL), IBM DB2, Mainframe Computing, Mainframe Technologies, Relational Databases, File I/O, File Management, Data Management, Database Theory, Databases, Database Management Systems, Data Storage, Data Access, Programming Principles, Command-Line Interface, Computer Programming
★ 3.6 (54) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Cross-Functional Team Leadership, Executive Presence, Matrix Management, Team Performance Management, Cross-Functional Collaboration, Performance Management, Key Performance Indicators (KPIs), Performance Measurement, Crisis Management, Team Building, Project Management, Leadership, Employee Coaching, Influencing, Leadership Development, Team Management, Stakeholder Management, Organizational Development, Strategic Communication, Change Management
★ 4.2 (6) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Security Architecture Review, Root Cause Analysis, Data Quality, Data Management, Azure Synapse Analytics, Data Validation, Data Integrity, Data Pipelines, Performance Tuning, Data Security, SQL, Database Development, System Monitoring, Extract, Transform, Load, Data Maintenance, Time Series Analysis and Forecasting, Data Governance, Query Languages, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Automation
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Meta Ads Manager, Advertising Campaigns, Advertising, Target Audience, Social Media Campaigns, Marketing Budgets, Campaign Management, Social Media, Media Planning, Social Media Management, Online Advertising, Social Media Marketing, Performance Analysis, Facebook, Paid media, Performance marketing, Budget Management, Digital Advertising, Campaign Planning, Budgeting
★ 4.8 (2.8K) · Beginner · Course · 1 - 3 Months
SAS
Skills you'll gain: SAS (Software), Data Manipulation, Statistical Reporting, Data Import/Export, Requirements Analysis, Data Transformation, Data Validation, Analysis, Data Access, Statistical Programming, Statistical Analysis, Data Analysis, Data Cleansing, Exploratory Data Analysis, Data Wrangling, Data Analysis Software, Microsoft Excel, Data Processing, Data Preprocessing, Data Integration
★ 4.8 (3.5K) · Beginner · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Application Frameworks, Unit Testing, Java Programming, Enterprise Application Management, Integration Testing, Configuration Management, Development Environment, Extensible Markup Language (XML), Context Management
★ 3.8 (456) · Intermediate · Course · 1 - 4 Weeks

IBM
Skills you'll gain: COBOL (Programming Language), Debugging, Program Development, Programming Principles, Development Testing, Software Testing, Computer Programming, Maintainability, Business Logic
★ 4.2 (69) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub Copilot, AI Security, Prompt Engineering, Model Context Protocol, Agentic Workflows, Prompt Patterns, AI Orchestration, AI Integrations, AI Workflows, Generative AI Agents, GitHub, Secure Coding, Prompt Engineering Tools, Agentic systems, Context Engineering, Git (Version Control System), Context Management, Artificial Intelligence, Automation, Computer Programming
Intermediate · Course · 1 - 3 Months