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.

New York University
Skills you'll gain: Supervised Learning, Machine Learning Methods, Dimensionality Reduction, Unsupervised Learning, Machine Learning Algorithms, Applied Machine Learning, Decision Tree Learning, Machine Learning, Machine Learning Software, Financial Trading, Financial Market, Reinforcement Learning, Scikit Learn (Machine Learning Library), Financial Services, Market Data, Correlation Analysis, Exploratory Data Analysis, Portfolio Management, Python Programming, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Linux, Command-Line Interface, Penetration Testing, Linux Administration, General Networking, Cyber Security Assessment, Exploitation techniques, Cybersecurity, Data Ethics, Vulnerability Scanning, Network Security, System Configuration, Software Installation, Virtual Machines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Medication Administration, Basic Patient Care, Direct Patient Care, Nursing and Patient Care, Clinical Nursing, Nursing, Clinical Leadership, Basic Nursing Skills, Nursing Administration, Care Coordination, Nursing Basics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Campaigns, Digital Marketing Tools, Social Media, Social Media Marketing, Paid media, Digital Media Strategy, Digital Marketing Campaigns, Online Advertising, Campaign Management, Search Engine Marketing, Social Media Strategy, Digital Marketing, Pay Per Click Advertising, Campaign Planning, Marketing Strategy and Techniques, Owned Media, Earned Media, Marketing Design, Analytics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, Content Scheduling, Social Media Content, Social Media, Social Media Management, Social Media Marketing, Social Media Strategy, Content Creation, Storytelling, Photo Editing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: PyTorch (Machine Learning Library), Model Evaluation, Convolutional Neural Networks, Transfer Learning, Image Analysis, Model Training, Deep Learning, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Database Design, Frontend Integration, Continuous Integration, Restful API, Database Development, Docker (Software), Model View Controller, Front-End Web Development, Relational Databases, Databases, Web Design and Development, User Story, CI/CD, Java, Java Programming, Database Application, Full-Stack Web Development, Spring Boot, Back-End Web Development, Software Design Documents
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generally Accepted Accounting Principles (GAAP), Bookkeeping, Accruals, Accounting, Accounting Records, Balancing (Ledger/Billing), General Accounting, Regulatory Compliance, Revenue Recognition, Journals
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Loss Prevention, Waste Minimization, Mitigation, Food Quality Assurance And Control, Supply Chain, Food and Beverage, Supply Chain Management, Supply Chain Systems, Sustainable Development, Production Process, Market Dynamics, Economics, Market Data, Stakeholder Engagement, Economic Development, Stakeholder Management, Knowledge Transfer, International Relations
Beginner · Course · 1 - 3 Months

Skills you'll gain: Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Cyber Threat Hunting, Cyber Attacks, Cybersecurity, Cyber Operations, Continuous Monitoring, Security Management, Event Monitoring, Disaster Recovery, Incident Management, Threat Detection, Cloud Security, Threat Management, System Monitoring, IT Automation, Record Keeping, Problem Management, Google Cloud Platform
Beginner · Course · 1 - 4 Weeks

ConsenSys Academy
Skills you'll gain: Blockchain, Cryptography, Interoperability, Cryptographic Protocols, Encryption, Public Key Cryptography Standards (PKCS), FinTech, Emerging Technologies, Ledgers (Accounting), Distributed Computing, Case Studies, Digital Assets, Data Integrity, Transaction Processing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, Network Security, Network Analysis, Network Protocols, Active Directory, Lightweight Directory Access Protocols
Intermediate · Course · 1 - 4 Weeks