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.

Coursera
Skills you'll gain: Relational Databases, Database Design, Health Informatics, Performance Tuning, Data Access, Data Integrity, Secure Coding, Clinical Data Management, SQL, Database Management, Query Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Model Optimization, Transfer Learning, Convolutional Neural Networks, Artificial Neural Networks, Deep Learning, Model Training, Logistic Regression, Image Analysis, Applied Machine Learning, Model Evaluation, Computer Vision, Classification Algorithms, Supervised Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Statistical Methods
★ 4.6 (103) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Apache Spark, PySpark, Apache Hive, Big Data, IBM Cloud, Kubernetes, Docker (Software), Scalability, Data Processing, Development Environment, Distributed Computing, Performance Tuning, Open Source Technology, Data Transformation, Debugging
★ 4.4 (484) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Cybersecurity, Encryption, Public Key Cryptography Standards (PKCS), Brute-force attacks
★ 4.5 (429) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Dataflow, Data Pipelines, Serverless Computing, Identity and Access Management, Google Cloud Platform, Site Reliability Engineering, Cloud Security, Data Integrity, Performance Tuning, Data Security, CI/CD, Data Processing, Debugging, Real Time Data, System Monitoring, Cloud Storage, Unit Testing, Containerization, File I/O, Data Transformation
★ 4 (131) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Incident Response, Vulnerability Assessments, Vulnerability Management, Cyber Threat Intelligence, MITRE ATT&CK Framework, Cyber Security Strategy, Cybersecurity, Endpoint Detection and Response, Intrusion Detection and Prevention, Security Testing, IT Security Architecture, Cyber Attacks, Security Information and Event Management (SIEM), Event Monitoring, Cyber Engineering, Patch Management, Network Security, Malware Protection, Digital Forensics, Risk Analysis
Intermediate · Specialization · 1 - 3 Months
University of California San Diego
Skills you'll gain: Biotechnology, Life Sciences, Biochemistry, Manufacturing and Production, Cell Cultures, Environment, Food and Beverage, Pharmaceuticals, Production Process, Biology, Taxonomy, Environmental Science, Microbiology, Natural Resource Management, Infectious Diseases, Scalability
★ 4.7 (1.2K) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Blockchain, Payment Systems, Cyber Risk, FinTech, Operational Risk, Scalability, Regulatory Compliance, Risk Management, Financial Regulation, Legal Risk, Financial Regulations, Risk Analysis, Application Security, Vulnerability Assessments, Exploitation techniques, Financial Industry Regulatory Authorities, Regulatory Requirements, Asset Protection, Governance, Key Management
★ 4.9 (360) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Containerization, Prompt Engineering, AI Orchestration, Scalability, Docker (Software), Application Deployment, Agentic Workflows, AI Workflows, Generative AI Agents, Retrieval-Augmented Generation, Prompt Patterns, Microsoft Azure, LangChain, Artificial Intelligence, Microservices, Natural Language Processing, Serverless Computing, Reinforcement Learning, Distributed Computing
★ 3.3 (32) · Intermediate · Professional Certificate · 3 - 6 Months

University of Minnesota
Skills you'll gain: Business Systems Analysis, Systems Analysis, Requirements Analysis, Business Requirements, Business Analysis, Business Systems, Process Flow Diagrams, User Requirements Documents, Data Modeling, Data Flow Diagrams (DFDs), Business Process Modeling, Diagram Design, Feasibility Studies, Decision Making, Project Management
★ 4.8 (582) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Security, CI/CD, Containerization, Hybrid Cloud Computing, Application Deployment, Cloud Computing Architecture, Cloud Engineering, Docker (Software), Cloud Computing, Restful API, Kubernetes, Infrastructure as Code (IaC), Cloud Infrastructure, Cloud Deployment, Microservices, Disaster Recovery, Cloud Services, Multi-Cloud, Solution Architecture, Application Design
Advanced · Course · 1 - 3 Months

Skills you'll gain: Restful API, Application Security, Java, Java Programming, Application Frameworks, Model View Controller, Security Controls, Development Environment, Web Applications, Application Programming Interface (API), Apache Maven, Authorization (Computing), Authentications, Configuration Management
★ 4.4 (38) · Intermediate · Course · 1 - 4 Weeks