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 Colorado Boulder
Skills you'll gain: Computer Vision, Convolutional Neural Networks, Image Analysis, Tensorflow, Deep Learning, Artificial Neural Networks, Applied Machine Learning, Machine Learning, Model Evaluation, Performance Tuning, Classification Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Fraud detection, Reconciliation, Variance Analysis, Cash Control, Internal Controls, Asset Protection, Accounting Records, Financial Statement Analysis, Financial Controls, Investigation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Account Strategy, Account Management, Return On Investment, Sales Management, Sales Strategy, Risk Management, Loyalty Programs, Customer Advocacy, Sales, Digital Transformation, Business Risk Management, Business Metrics, Business Transformation, Innovation, Telecommuting, Virtual Teams, Customer Relationship Building
Intermediate · Course · 1 - 4 Weeks

Technical University of Munich (TUM)
Skills you'll gain: Cybersecurity, Accident Prevention, Safety and Security, Infrastructure Security, Medical Science and Research, Threat Management, Physical Science, Environmental Monitoring, Continuous Monitoring, Risk Analysis, Physics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Audit Planning, Auditing, Internal Controls, Risk Management Framework, Continuous Monitoring, Compliance Auditing, Project Coordination, Financial Controls, Quality Assurance, Information Systems Security, Cyber Security Assessment, Governance, Presentations
Intermediate · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: Amazon Web Services, Cloud Computing, Cloud Services, Amazon S3, Amazon Elastic Compute Cloud, Public Cloud, Cloud Platforms, Cloud Computing Architecture, AWS Identity and Access Management (IAM), Technical Product Management, AWS CloudFormation, Cloud Storage, Amazon Redshift, Cloud Security, Network Security, Amazon DynamoDB, Infrastructure Security, Product Management, Cost Management, Technical Support
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Security, Cloud Infrastructure, Cloud Management, Artificial Intelligence and Machine Learning (AI/ML), Serverless Computing, Digital Transformation, Network Security, Containerization, Application Programming Interface (API), Google Cloud Platform, Real Time Data, Hybrid Cloud Computing, Data Strategy, Encryption, Data Security, Cloud Services, Site Reliability Engineering, Data Governance, Cost Management, Cloud Computing
Beginner · Specialization · 3 - 6 Months

University at Buffalo
Skills you'll gain: Data Literacy, Data Ethics, Data-Driven Decision-Making, Analytics, Root Cause Analysis, Lean Methodologies, Six Sigma Methodology, Data Analysis, Operational Efficiency, Operational Excellence, Case Studies, Process Improvement, Quality Management Systems, Data Quality, Data Security, Product Quality (QA/QC), Internet Of Things
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Protocols, Network Troubleshooting, Network Planning And Design, Network Routing, TCP/IP, Computer Networking, Dynamic Host Configuration Protocol (DHCP), Network Routers, Network Security, Local Area Networks, Network Switches, File Transfer Protocol (FTP)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Peripheral Devices, File Systems, Mac OS, User Accounts, Virtual Private Networks (VPN), File Management, TCP/IP, User Provisioning, Data Security, System Configuration, Apple software proficiency, Network Protocols, Operating System Administration, Network Administration, Network Support, Software Installation, Data Management, Unix Commands, Unix, Application Performance Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Software Architecture, Functional Requirement, Requirements Analysis, Internet Of Things, Software Design Patterns, User Requirements Documents, Android Development, Application Frameworks, Maintainability, Interoperability, Software Quality (SQA/SQC)
Mixed · Course · 1 - 3 Months

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