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.

Skills you'll gain: Kubernetes, Application Deployment, API Gateway, Cloud-Native Computing, Containerization, Network Troubleshooting, Data Storage, Network Administration, Infrastructure Security, Role-Based Access Control (RBAC), YAML, Security Controls, Linux Administration, Data Storage Technologies, General Networking, Problem Management, Network Security, Data Persistence, Test Tools, Scenario Testing
★ 4.4 (18) · Intermediate · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Salesforce, Administration, Data Management, Customer Relationship Management, Cloud Applications, Security Controls
★ 3.8 (70) · Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Requirements Analysis, User Requirements Documents, Systems Development Life Cycle, Software Development Methodologies, Requirements Elicitation, Agile Methodology, Software Documentation, Software Design Documents, Security Requirements Analysis, System Requirements, Software Development Life Cycle, Agile Software Development, Waterfall Methodology
★ 4.6 (688) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Threat Modeling, Threat Management, Risk Management, Business Continuity Planning, Asset Protection, Risk Analysis, Risk Management Framework, Risk Mitigation, Business Continuity, Risk Control, Vulnerability Assessments, Security Controls
★ 4.6 (164) · Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Graphing, Data Analysis, R (Software), R Programming, General Mathematics, Mathematical Modeling, Algebra, Mathematical Software, Applied Mathematics, Calculus, Business Mathematics
★ 4.7 (231) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Responsible AI, ChatGPT, Prompt Engineering Tools, AI literacy, Data Ethics, Education Software and Technology, Generative AI, Digital pedagogy, AI Integrations, LLM Application, Educational Materials, AI Personalization, Personally Identifiable Information, Data Security
★ 4.8 (739) · Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Cloud Infrastructure, Cloud Services, Cloud Technologies, Cloud Computing, Cloud Storage, Cloud Platforms, Cloud Solutions, Cloud Computing Architecture, Infrastructure As A Service (IaaS), Data Storage, Middleware, Virtualization and Virtual Machines, Containerization, Data Storage Technologies, Virtualization, Virtual Machines, Cloud Applications, Cloud API, Amazon S3, Platform As A Service (PaaS)
★ 4.3 (847) · Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Public Cloud, Cloud Computing Architecture, Cloud Computing, Application Programming Interface (API), Cloud Services, Scalability, Cloud Platforms, Amazon Web Services, Cloud Engineering, Infrastructure As A Service (IaaS), Technical Services, Systems Administration, Solution Architecture, Security Engineering
★ 4.7 (85) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Information and Event Management (SIEM), Splunk, Threat Detection, Computer Security Incident Management, System Monitoring, Cybersecurity, Security Management, Event Monitoring, Continuous Monitoring, Incident Response, Data Storage Technologies, Data Analysis Software, Information Management, Data Management, Data Integration, Data Import/Export, Software Installation
★ 4.6 (341) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Cybersecurity, Key Management, Advanced Encryption Standard (AES), Encryption, Cryptographic Protocols, Public Key Cryptography Standards (PKCS), Brute-force attacks, Authentications, Arithmetic, Algorithms, Applied Mathematics, Probability, Computer Science
★ 4.6 (1K) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Object-Relational Mapping, Java Platform Enterprise Edition (J2EE), Database Design, Data Access, Data Persistence, Java, Relational Databases, Data Mapping, Java Programming, JUnit, SQL, Query Languages, Software Versioning
★ 5 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Performance Tuning, Data Warehousing, Apache Spark, Data Architecture, SQL, Query Languages, Data Transformation, Disaster Recovery, Database Management, PySpark, Infrastructure as Code (IaC), Cloud Computing Architecture, Distributed Computing, Scalability, Data Pipelines, Performance Analysis, Root Cause Analysis, Cost Management, Resource Management
Intermediate · Specialization · 3 - 6 Months