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.

Scrimba
Skills you'll gain: TypeScript, React.js, Server Side, Javascript, Data Structures, Web Development, Middleware, Scalability, Web Design, Computer Programming, Maintainability
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Inventory Management, Inventory Management System, Tax Management, Accounting Software, Customer Relationship Management, Billing, Customer Relationship Management (CRM) Software, Sales Tax, Small Business Accounting, Accounting and Finance Software, Accounting, Security Controls, Payroll Systems
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Performance Tuning, Memory Management, Embedded Software, Microarchitecture, Embedded Systems, System Programming, Secure Coding, System Configuration, Digital Signal Processing, Security Controls, Computer Architecture, Hardware Architecture, Authentications
Advanced · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Social Media, Online Advertising, Digital Advertising, Social Media Marketing, Social Media Strategy, Social Media Campaigns, Advertising, Meta Ads Manager, Advertising Campaigns, Web Analytics, Content Performance Analysis, Facebook, Paid media, Instagram, Target Audience, Law, Regulation, and Compliance, Business Ethics, Case Studies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Sales Process, Sales Management, Sales Strategy, Sales Enablement, Sales Development, Sales, Employee Coaching, Motivational Skills, Management Training And Development, Organizational Leadership, Telecommuting, Diversity Awareness, Team Management, Performance Measurement, Revenue Management, Customer Relationship Management (CRM) Software, Team Leadership, Performance Management, Negotiation, Coaching
Beginner · Specialization · 1 - 3 Months

Shanghai Jiao Tong University
Skills you'll gain: Combinatorics, Graph Theory, Data Structures, Algorithms, Logical Reasoning, Theoretical Computer Science, Computational Thinking, Applied Mathematics, Network Model, Deductive Reasoning, Computational Logic, Network Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Information Privacy, General Data Protection Regulation (GDPR), Personally Identifiable Information, Data Security, Data Governance, Data Ethics, Law, Regulation, and Compliance, Data Loss Prevention, Data Management, Security Controls, Regulatory Compliance, Compliance Management, Compliance Training, Data Integrity, Security Strategy, Safety Culture, Data Processing, Incident Response, Employee Training
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Sales Enablement, Personal Development, Diversity Training, Empowerment, Employee Coaching, Coaching, Knowledge Transfer, Sales Development, Team Collaboration, Sales Management, Agile Methodology, Self-Awareness, Intercultural Competence, Sales Training, Collaboration, Diversity Awareness, Cultural Sensitivity, Team Performance Management, AI Personalization, Growth Mindedness
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Web Scraping, Git (Version Control System), Test Script Development, Scripting, Version Control, Test Automation, IT Automation, Email Automation, Test Tools, Software Testing, Cloud API, Scripting Languages, Automation, Restful API, Application Programming Interface (API), Data Ethics, Scalability, Python Programming, File I/O, Productivity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Clinical Data Management, Microsoft Excel, Patient Safety, Health Information Management, Excel Formulas, Data Cleansing, Data Analysis, Medical Records, Data Transformation, Data Wrangling, Data Quality, Analytical Skills, Spreadsheet Software, Data Manipulation, Data Mapping, Hospital Admissions, Data Integrity, Data Integration
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Pay Per Click Advertising, Digital Marketing, Web Analytics, Digital Marketing Campaigns, Email Marketing, Paid media, Digital Advertising, Social Media Campaigns, Digital Brand Strategy, Marketing Strategies, Online Advertising, Social Media Marketing, Digital Marketing Tools, Web Design and Development, Marketing Analytics, Search Engine Optimization, Social Media, Campaign Management, Data-Driven Marketing, Search Engine Marketing
Build toward a degree
Advanced · Course · 1 - 3 Months

Skills you'll gain: Databricks, CI/CD, Apache Spark, Microsoft Azure, Data Governance, Data Lakes, Data Architecture, Integration Testing, Continuous Integration, Continuous Deployment, Real Time Data, Data Integration, Data Pipelines, IT Automation, Development Environment, Data Management, Automation, Data Storage, Metadata Management, File Systems
Intermediate · Specialization · 1 - 3 Months