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.

L&T EduTech
Skills you'll gain: Scope Management, Stakeholder Management, Project Schedules, Project Risk Management, Environment Health And Safety, Work Breakdown Structure, Project Scoping, Earned Value Management, Feasibility Studies, Risk Analysis, Quality Management, Procurement, Cost Estimation, Scheduling, Cost Management, Project Management Life Cycle, Contract Management, Communication Strategies, Risk Management, Project Controls
Advanced · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Reconciliation, Ledgers (Accounting), Auditing, Accounting Records, General Ledger
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Reinforcement Learning, Responsible AI, Agentic systems, Artificial Intelligence, Machine Learning Methods, Distributed Computing, Simulations, Transfer Learning
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Modeling, Statistical Hypothesis Testing, Regression Analysis, R Programming, Data Ethics, Experimentation, Research Design, Statistical Methods, Data Science, Data Analysis, Statistical Analysis, Data Modeling, Predictive Modeling, Mathematical Modeling, Probability & Statistics, A/B Testing, Quantitative Research, Machine Learning, Model Evaluation
Build toward a degree
Intermediate · Specialization · 3 - 6 Months
Georgia Institute of Technology
Skills you'll gain: Cloud Applications, Cloud Computing, Cloud Infrastructure, Distributed Computing, Virtualization, Data Store, Software Systems, Multi-Tenant Cloud Environments, Virtual Machines, Scalability, Apache Hadoop
Mixed · Course · 1 - 3 Months

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Metasploit, Penetration Testing, Malware Protection, Exploitation techniques, Database Management, Cyber Threat Intelligence, Vulnerability Assessments, Cyber Security Assessment, Brute-force attacks, Cryptography, Cybersecurity, Vulnerability Scanning, Intrusion Detection and Prevention, Data Import/Export, MySQL, Encryption, Mobile Security, Linux, Linux Administration
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Software Documentation, Generative AI, API Testing, Test Automation, Mockups, Software Development Tools, User Interface and User Experience (UI/UX) Design, Usability, Software Testing, AI Security, AI Workflows, Application Security, Maintainability, Prompt Engineering, Test Case, Software Architecture, Code Review, Secure Coding, Artificial Intelligence, Debugging
Beginner · Specialization · 1 - 3 Months

IIT Bombay
Skills you'll gain: Design Thinking, User Research, Prototyping, Human Centered Design, Product Design, Sustainable Business, Innovation, Brainstorming, Creative Thinking, Empathy, User Feedback, Product Development, Customer experience improvement, Case Studies, Collaboration
Beginner · Course · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Artificial Intelligence, Performance Analysis, Automation, Personalized Service, Digital Transformation, Augmented and Virtual Reality (AR/VR), Technology Strategies, Innovation, Internet Of Things, Machine Learning, Big Data, Ethical Standards And Conduct, Deep Learning, Analytical Skills, Predictive Analytics, Health Technology, Data Analysis, Natural Language Processing, User Experience, Data Security
Beginner · Specialization · 3 - 6 Months

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

EDUCBA
Skills you'll gain: Process Driven Development, Software Quality Assurance, Process Management, Software Development, Embedded Software, Verification And Validation, Software Development Life Cycle, Systems Development Life Cycle, Configuration Management, Requirements Analysis, Risk Management Framework, Change Requests, Quality Control, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Graph Theory, Data Structures, Unstructured Data, Network Routing, Algorithms
Mixed · Course · 1 - 4 Weeks