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 California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Java, Java Programming, Dependency Analysis, Docker (Software), JSON, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks

New York Institute of Finance
Skills you'll gain: Tensorflow, Keras (Neural Network Library), Financial Trading, Data Pipelines, Applied Machine Learning, Technical Analysis, Machine Learning, Securities Trading, Statistical Machine Learning, Market Trend, Financial Market, Deep Learning, Python Programming, Predictive Modeling, Model Evaluation, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Artificial Intelligence, Taxonomy, AI Enablement, Computer Vision, Machine Learning, Natural Language Processing, Deep Learning, Robotics
Beginner · Course · 1 - 3 Months

Splunk Inc.
Skills you'll gain: Splunk, Data Visualization Software, Dashboard, Security Information and Event Management (SIEM), Ad Hoc Reporting, Business Intelligence, Data Analysis, Data Processing, Big Data, Data Science, Data Transformation, Query Languages, Analysis, Incident Response, Business Analysis
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Business Continuity Planning, Incident Response, Risk Mitigation, Cyber Threat Hunting, Risk Management Framework, Cyber Risk, Risk Management, Computer Security Incident Management, Risk Analysis, Threat Management, Cybersecurity, IT Management, Vulnerability Management, Security Management, Enterprise Risk Management (ERM), Network Security, Cyber Security Policies, Business Risk Management, Cyber Threat Intelligence, Disaster Recovery
Intermediate · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Application Security, Vulnerability Assessments, Vulnerability Management, Event Monitoring, Security Controls, Data Integrity, System Monitoring, Patch Management, Server Side
Intermediate · Course · 1 - 3 Months

Skills you'll gain: MITRE ATT&CK Framework, Network Security, Cybersecurity, Exploitation techniques, Python Programming, Data Access, Authorization (Computing), Authentications, Scripting, Remote Access Systems, User Accounts
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Medical Billing, Medical Billing and Coding, Claims Processing, Medical Coding, Revenue Cycle Management, ICD Coding (ICD-9/ICD-10), CPT Coding, Electronic Medical Record System, Medical Terminology, Adjudication, Medicare, Medicaid
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Microsoft Excel, Data Security
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Infrastructure as Code (IaC), Cloud Engineering, Serverless Computing, CI/CD, Data Infrastructure, Amazon Web Services, Data Architecture, AWS Identity and Access Management (IAM), AWS CloudFormation, Infrastructure Architecture, Security Controls, Cloud Applications, Amazon CloudWatch, Terraform
Beginner · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Case Studies, Digital Transformation, Advanced Analytics, Business Analytics, Analytics, Business Analysis, Data Analysis, Value Propositions, Consultative Approaches, Business Transformation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Time Series Analysis and Forecasting, Deep Learning, Statistical Analysis, Predictive Modeling, Statistical Methods, Forecasting, Data Preprocessing, Jupyter, Applied Machine Learning, Data Transformation, Model Evaluation, Pandas (Python Package), Unsupervised Learning, Dimensionality Reduction
Intermediate · Course · 1 - 4 Weeks