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.

Simplilearn
Skills you'll gain: Product Promotion, Search Engine Optimization, Paid media, E-Commerce, Logistics Management, Promotions and Campaigns, Logistics, Product Marketing, Promotional Strategies, Product Knowledge, Online Advertising, Digital Advertising, Content Optimization, Social Media Marketing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Customer experience improvement, Customer Engagement, Personalized Service, Social Media Management, Social Media, Social Media Marketing, Customer Relationship Building, Event Marketing, Customer Inquiries, Marketing, Promotional Strategies, Marketing Strategies, Strategic Communication, Communication Strategies, Business Strategy
Beginner · Guided Project · Less Than 2 Hours

John Wiley & Sons
Skills you'll gain: Mergers & Acquisitions, Corporate Strategy, Business Valuation, Business Analytics, Financial Management, Corporate Finance, Stakeholder Communications, Portfolio Management, Financial Market, Business Strategy, Strategic Decision-Making, Corporate Communications, Financial Analysis, Strategic Communication, Finance, Financial Forecasting, Forecasting, Financial Acumen, Risk Analysis, Decision Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Statistical Modeling, Regression Analysis, Data Visualization, Model Evaluation, Data Analysis, Statistical Methods, Scatter Plots, Statistical Software, R Programming, Statistical Analysis, Plot (Graphics), R (Software), Predictive Modeling, Ggplot2, Statistical Programming
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Project Controls, Project Performance, Issue Tracking, Project Management Software, Stakeholder Engagement, Stakeholder Management, Real Time Data, Stakeholder Communications, Collaborative Software
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Labor Law, Workers Compensation, Labor Relations, Labor Compliance, Law, Regulation, and Compliance, Case Studies, Employee Relations, Employee Retirement Income Security Act, Benefits Administration, Regulation and Legal Compliance, Workforce Management, Regulatory Requirements, Case Law, Advocacy
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Team Building, Team Management, Teamwork, Team Leadership, Team Performance Management, Trustworthiness, Team Motivation, Conflict Management, Team Collaboration, Collaboration, Willingness To Learn, Performance Management, Open Mindset, Leadership, Goal Setting, Organizational Structure, Lifelong Learning, Coordination, Diversity and Inclusion
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Teradata SQL, SQL, Stored Procedure, Transaction Processing, Query Languages, Performance Tuning, Database Management, Data Manipulation, Data Architecture, Data Security, Extract, Transform, Load, Database Architecture and Administration, Security Controls, Security Management, Data Transformation, Data Storage, Database Theory, Relational Databases, Solution Design, Database Management Systems
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: AI Orchestration, Prompt Patterns, AI Workflows, Agentic Workflows, AI Integrations, OpenAI API, Token Optimization, Test Script Development, Context Management, Code Reusability, Secure Coding, Memory Management, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apple Service Certification, Knowledge of Apple Software, Mac OS, User Accounts, System Support, Desktop Support, Software Installation, File Management, Network Support, Operating System Administration, System Configuration, File Systems, General Networking, Knowledge of Apple Hardware, Data Storage, Data Management, Network Administration, Remote Access Systems, Application Security, Encryption
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Middleware, Node.JS, Model View Controller, Development Environment, Application Frameworks, Application Development, JavaScript Frameworks, Web Applications, Web Development Tools, Server Side, Network Routing, Service Oriented Architecture, Android Development
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Ansible, Software-Defined Networking, IT Automation, JSON, Automation, Infrastructure as Code (IaC), Application Programming Interface (API), Network Infrastructure, Restful API, Network Planning And Design, Extensible Languages and XML, Extensible Markup Language (XML), Configuration Management, Package and Software Management
Beginner · Course · 1 - 4 Weeks