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.

John Wiley & Sons
Skills you'll gain: Secure Coding, Application Security, Mobile Security, Vulnerability Assessments, Vulnerability Management, Application Frameworks, Risk Management Framework, Cyber Security Policies, Computer Security, C and C++, Java Programming, C++ (Programming Language), PHP (Scripting Language), Python Programming, C (Programming Language), Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Encryption, Cloud Security, Cryptographic Protocols, Cyber Security Assessment, Data Encryption Standard, Cloud Computing, Advanced Encryption Standard (AES), Data Security, Key Management, Data Loss Prevention, Public Key Infrastructure, Cloud Platforms
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Splunk, Dashboard Creation, Dashboard, Data Transformation, Interactive Data Visualization, Data Manipulation, Data Analysis, Statistical Analysis, Query Languages, Data Visualization Software, Statistical Methods, Data Presentation, Ad Hoc Reporting, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Content Performance Analysis, Web Analytics and SEO, Search Engine Optimization, Keyword Research, Data-Driven Marketing, Web Analytics, Content Optimization, Performance Analysis, Semantic Web, Performance Metric, Content Management Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Warehousing, Data Flow Diagrams (DFDs), Data Modeling, Data Pipelines, Ansible, Cloud Security, Diagram Design, Data Validation, Database Design, Apache Airflow, Star Schema, Snowflake Schema, Interviewing Skills, Apache Spark, PySpark, CI/CD, Docker (Software), SQL, Workflow Management, Git (Version Control System)
Intermediate · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: Unit Testing, Test Driven Development (TDD), Continuous Integration, CI/CD, Software Testing, Continuous Deployment, Testability, Test Script Development, Model Training, Development Testing, Tensorflow, Maintainability, Applied Machine Learning, Software Engineering, Code Reusability, Machine Learning Methods, Python Programming, Software Design
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Systems Engineering, Verification And Validation, Team Management, Team Performance Management, Systems Architecture, Requirements Analysis, Requirements Elicitation, Scrum (Software Development), Systems Development Life Cycle, Teamwork, Systems Development, Configuration Management, Scaled Agile Framework, Team Building, Agile Methodology, Team Motivation, Organizational Leadership, Leadership Studies, Engineering Management, Leadership and Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Threat Modeling, Vulnerability Assessments, Vulnerability Scanning, Business Continuity Planning, Business Continuity, Risk Analysis, Risk Management Framework, Threat Management, Vulnerability Management, Cyber Security Assessment, Cyber Risk, Risk Management, Contingency Planning, Risk Mitigation, Risk Modeling, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Troubleshooting, Network Switches, Data Centers, Virtual Networking, Network Infrastructure, Network Architecture, Network Planning And Design, Local Area Networks, Command-Line Interface, Network Protocols, Virtualization, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon CloudWatch, AWS SageMaker, Amazon DynamoDB, Amazon Web Services, Amazon Redshift, Serverless Computing, Identity and Access Management, Amazon S3, AWS CloudFormation, Cloud Management, AWS Kinesis, Infrastructure as Code (IaC), Virtual Networking, Cloud Security, Network Security, Threat Detection, Network Architecture, Kubernetes, Containerization
Advanced · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Virtual Private Networks (VPN), Google Cloud Platform, Multi-Cloud, Hybrid Cloud Computing, Virtual Networking, Cloud Services, Border Gateway Protocol, Network Infrastructure, General Networking, Wide Area Networks, Network Routing, Network Planning And Design, Routing Protocols, Cloud Security, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Project Closure, Scope Management, Quality Management, Project Scoping, Milestones (Project Management), Cost Management, Backlogs, Agile Project Management, Project Planning, Team Management, Stakeholder Management, Project Management, Quality Management Systems, Agile Software Development, Sprint Retrospectives, Project Management Life Cycle, Requirements Analysis, Report Writing, Change Management, Organizational Change
Beginner · Professional Certificate · 3 - 6 Months