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.

University of Maryland, College Park
Skills you'll gain: Innovation, AI Enablement, Scalability, Procurement, Artificial Intelligence, Automation, Initiative and Leadership, Strategic Sourcing, Natural Language Processing, Business Transformation, Organizational Change, Digital Transformation, Artificial Intelligence and Machine Learning (AI/ML), Organizational Effectiveness, Performance Improvement, Emerging Technologies, Product Improvement, Operational Efficiency, Goal Setting, Product Requirements
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Excel, Data Validation, Customer Data Management, Excel Formulas, Microsoft 365, Customer Relationship Management, Data Entry, Spreadsheet Software, Customer Service, Data Security, Data Management, Invoicing, User Accounts, Editing
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Version Control, GitHub, Git (Version Control System), Data Transformation, Data Science, Data Analysis, R (Software), Data Processing, R Programming, Rmarkdown, Software Installation, Command-Line Interface
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Lakes, Data Governance, Operational Databases, Metadata Management, Google Cloud Platform, Data Management, Data Architecture, Data Warehousing, Advanced Analytics, Cloud Storage, Data Integration, Data Security, Analytics, Data Processing, Applied Machine Learning
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Data Processing, Scalability, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Social Media Marketing, Social Media Campaigns, Content Performance Analysis, Social Media Strategy, Instagram, Facebook, Pinterest, Digital Advertising, Customer Engagement, LinkedIn, Brand Management, Brand Awareness, Content Creation, Target Audience
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Digital Transformation, Cloud Infrastructure, Cloud Computing, Cloud Services, Business Transformation, Public Cloud, Platform As A Service (PaaS), Google Cloud Platform, Software As A Service, Infrastructure As A Service (IaaS), Capital Expenditure, Cloud Security, Operating Expense, Cost Management
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: MongoDB, NoSQL, Database Management, Data Wrangling, Performance Tuning, Database Design, Databases, Data Modeling, Data Store, Query Languages, Scalability, Real Time Data, Disaster Recovery, Data Security
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Stakeholder Management, Professional Networking, Relationship Building, Business Strategy, Leadership, Strategic Leadership, Competitive Analysis, Mentorship, Innovation, Value Propositions, Team Motivation, Communication
Beginner · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Digital Marketing, Web Analytics, Digital Advertising, Search Engine Marketing, Online Advertising, Google Analytics, Search Engine Optimization, Google Ads, Marketing Channel, Social Media Marketing, Marketing Strategies, Keyword Research, Marketing Planning, Paid media, Marketing Analytics, Social Media Campaigns, Social Media, Advertising, Blogs, Emerging Technologies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Identity and Access Management, Scalability, Security Controls, Authorization (Computing), Authentications, Data Access, Role-Based Access Control (RBAC), Performance Tuning, Data Governance, Test Planning, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Performance Testing, Maintainability, Software Testing, Code Review, Software Technical Review, Security Testing, Test Planning, Software Quality Assurance, Test Tools, White-Box Testing, Regression Testing
Advanced · Course · 1 - 4 Weeks