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: Embedded Software, Performance Tuning, System Programming, Software Development Tools, Embedded Systems, Software Development, Hardware Architecture, Debugging, Application Security, Microarchitecture, Computer Architecture, C (Programming Language), Digital Signal Processing, System Configuration, Application Development, Security Engineering, C++ (Programming Language), System Requirements, Technical Support
Intermediate · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Data Modeling, Big Data, Data Management, Database Management Systems, Real Time Data, NoSQL, Database Design, Data Processing, Apache Hadoop, Data Structures, Scalability, Virtual Environment
Mixed · Course · 1 - 3 Months

Nanjing University
Skills you'll gain: Data Processing, Data Mining, Data Structures, Data Presentation, Object Oriented Programming (OOP), Web Scraping, Data Analysis, Python Programming, Pandas (Python Package), NumPy, Data Visualization, Data Manipulation, Matplotlib, User Interface (UI) Design
Beginner · Course · 1 - 3 Months

ISC2
Skills you'll gain: Cryptography, Key Management, Public Key Infrastructure, Encryption, Cryptographic Protocols, Data Security, Public Key Cryptography Standards (PKCS), Cybersecurity, Application Security, Authentications, Brute-force attacks, Data Integrity, Algorithms
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Security Management, Computer Security Incident Management, Personally Identifiable Information, Data Security, Information Assurance, Security Strategy, Incident Response, Incident Management, Data Management, Auditing, Continuous Improvement Process, Business Metrics
Mixed · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Google Ads, Digital Advertising, Online Advertising, Advertising, Contextual Advertising, Pay Per Click Advertising, Advertising Campaigns, Paid media, Social Media, Search Engine Marketing, Performance marketing, Marketing, Keyword Research, Search Engine Optimization, Social Media Marketing, Digital Marketing, Social Media Strategy, Social Media Campaigns, Data Ethics, Web Analytics and SEO
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Data Storage, Data Storage Technologies, Network Architecture, FinTech, Information Technology Architecture, Distributed Computing, Security Controls, Other Programming Languages, Programming Principles, Emerging Technologies, Scalability, Data Integrity, Transaction Processing, Interoperability
Intermediate · Course · 1 - 3 Months

University of New Mexico
Skills you'll gain: Web Applications, Full-Stack Web Development, Git (Version Control System), Middleware, Software Architecture, User Interface (UI), Agile Software Development, Application Frameworks, Ajax, Model View Controller, Databases, Relational Databases, Software Development, Ruby on Rails, Software Design Patterns, Cascading Style Sheets (CSS), Javascript
Mixed · Course · 1 - 3 Months

Indian School of Business
Skills you'll gain: Financial Statements, Financial Statement Analysis, Financial Trading, Balance Sheet, Securities Trading, Income Statement, Financial Analysis, Market Liquidity, Financial Market, Market Dynamics, Market Analysis, Order Management, Risk Management
Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: International Relations, Diplomacy, Political Sciences, Public Policies, World History, Policy Analysis, Case Studies, Governance, Security Strategy, Economic Development, Natural Resource Management
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Cash Flows, Financial Statements, Financial Accounting, Depreciation, Fixed Asset, Equities, Financial Analysis, Financial Reporting, Balance Sheet, Accrual Accounting, Market Liquidity, Loans
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Regression Analysis, Statistical Inference, Statistics, Logistic Regression, R Programming
Mixed · Course · 1 - 3 Months