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: Inside Sales, Sales, Sales Prospecting, Sales Training, Sales Strategy, Web Presence, Selling Techniques, Prospecting and Qualification, Product Demonstration, Virtual Teams, Digital Brand Strategy, Technical Sales, Sales Pipelines, Rapport Building, Sales Presentations, Relationship Building, Virtual Environment, Customer Engagement, Customer Success Management, Drive Engagement
Beginner · Specialization · 1 - 3 Months

Rutgers the State University of New Jersey
Skills you'll gain: Logistics, Logistics Management, Transportation, Supply Chain, and Logistics, Warehouse Management, Supply Chain Management, Warehousing, Warehouse Operations, Supply Chain, Transportation Management, Supply Chain Systems, Inventory and Warehousing, Order Delivery, Transportation Operations, Order Fulfillment, Relationship Management, Supplier Relationship Management, Supplier Management, Cash Flows, Complex Problem Solving
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Customer Analysis, Customer Retention, Customer Insights, Strategic Decision-Making, Product Strategy, Data Analysis, Knowledge Transfer, Data-Driven Decision-Making, Advanced Analytics, Unsupervised Learning, Applied Machine Learning, Technical Documentation, Performance Measurement, Machine Learning Algorithms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Income Statement, General Ledger, General Accounting, Financial Reporting, Ledgers (Accounting), QuickBooks (Accounting Software), Accounting Software, Financial Statements, Excel Formulas, Accounting and Finance Software, Balance Sheet, Financial Accounting, Accounting, Spreadsheet Software, Microsoft Excel, Automation
Beginner · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Digital Transformation, Digital Assets, Business Transformation, Entrepreneurship, Emerging Technologies, Innovation, digital literacy, Business Strategies, Business Modeling, Action Oriented, Market Dynamics, Network Model, Agile Methodology, Product Planning
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Azure Active Directory, Microsoft Azure, Cyber Security Policies, Cloud Security, Firewall, Cyber Attacks, Cybersecurity, Malware Protection, Cyber Threat Intelligence, Identity and Access Management, Network Security, Endpoint Detection and Response, Threat Management, Endpoint Security, Security Information and Event Management (SIEM), Threat Detection, Security Controls, Intrusion Detection and Prevention, Event Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Customer Service, Network Troubleshooting, Customer Relationship Building, Incident Response, Technical Support and Services, Continuous Improvement Process, Cybersecurity, Process Improvement, Incident Management, Quality Improvement, Performance Metric, Desktop Support, Operating Systems, Service Improvement, Computer Hardware, Cyber Attacks, Technical Support, Operating System Administration, Customer Support
Beginner · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Process Capability, Sampling (Statistics), R (Software), Correlation Analysis, Statistical Inference, Probability Distribution, Statistical Visualization, R Programming, Statistical Process Controls, Statistical Hypothesis Testing, Statistical Methods, Probability & Statistics, Data Science, Statistics, Data Analysis, Statistical Analysis, Statistical Software, Descriptive Statistics, Quality Improvement, Process Engineering
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Data-Driven Marketing, Google Ads, Google Analytics, Marketing Analytics, Data Integration, Web Analytics, Data Access
Beginner · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Personally Identifiable Information, Information Privacy, General Data Protection Regulation (GDPR), Law, Regulation, and Compliance, Data Ethics, International Relations, Data Security, Cybersecurity, World History, Security Awareness, European History, Security Management, Governance, Security Strategy
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Memory Management, C (Programming Language), C and C++, Data Structures, Secure Coding, Application Security, System Programming, Programming Principles
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Google Analytics, Email Marketing, Google Ads, WordPress, LinkedIn, Content Creation, Facebook, Content Marketing, Social Media, Social Media Marketing, Search Engine Marketing, Social Media Content, Web Analytics and SEO, Advertising Campaigns, Email Automation, Social Media Campaigns, Analytics, Keyword Research, ChatGPT, Bidding
Beginner · Specialization · 3 - 6 Months