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: Apache Airflow, Data Warehousing, Data Flow Diagrams (DFDs), Data Lakes, Data Pipelines, Diagram Design, Data Integration, Performance Tuning, Data Governance, Cloud Deployment, Data Management, Data Modeling, Data Mapping, Extract, Transform, Load, Trend Analysis, Service Level Agreement, Systems Integration, SQL, Apache Kafka, Python Programming
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Gmail, Google Docs, Google Sheets, Google Workspace, Calendar Management, Presentations, Data Validation, File Management, Spreadsheet Software, Setting Appointments, Version Control, Document Management, Productivity Software, Meeting Facilitation, Data Visualization, Email Security, Email Automation, Collaborative Software, Event Management, Sales Presentations
★ 4.7 (663) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Project Management Software, Workflow Management, Collaborative Software, Project Coordination, Digital Marketing Tools, Coordinating, Project Management, Organizational Skills, Marketing Operations, Timelines, Communication, Marketing Planning, Vocabulary, Accountability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Detection, Cyber Security Strategy, Cyber Threat Intelligence, Cybersecurity, Spatial Analysis, Interactive Data Visualization, Geospatial Information and Technology, Web Scraping, Digital Forensics, IT Automation, Data Security, Security Awareness, Vulnerability Scanning, Personally Identifiable Information, Scripting, Network Analysis, Open Source Technology, Information Privacy
★ 4.4 (13) · Intermediate · Course · 1 - 3 Months

University of Geneva
Skills you'll gain: Climate Change Adaptation, Water Resources, Climate Change Programs, Water Resource Management, Hydrology, Environmental Resource Management, Risk Management, Water Quality, Water Sustainability, Mitigation, Natural Resource Management, Environment, Climate Change Mitigation, Sustainable Development, Social Impact, Social Sciences, Hazard Analysis, Social Network Analysis, Physical Science, Governance
★ 4.7 (330) · Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Cloud-Native Computing, Memory Management, Grafana, Web Applications, Program Development, Software Architecture, Development Environment, Programming Principles, Computer Programming, Other Programming Languages, Network Security, Communication Systems, Data Sharing
★ 2.9 (46) · Intermediate · Specialization · 3 - 6 Months

SkillUp
Skills you'll gain: Computer Security Awareness Training, Security Awareness, Cybersecurity, Cyber Attacks, Cyber Threat Intelligence, Incident Response, Cyber Risk, Responsible AI, Data Ethics, Threat Management, Threat Detection, Malware Protection, Information Systems Security, Network Security, Security Controls, Data Security, Multi-Factor Authentication, AI Security, Personally Identifiable Information, Authentications
★ 4.9 (17) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Brute-force attacks, Cryptographic Protocols, Encryption, Key Management, Cybersecurity, Computer Security, Information Assurance, Theoretical Computer Science, Threat Modeling, Communication Systems
★ 4.5 (551) · Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Swift Programming, Objective-C (Programming Language), iOS Development, Core Data (Software), Apple iOS, Video Game Development, Game Design, User Interface (UI), Model View Controller, JSON, User Interface (UI) Design, UI Components, Mobile Development, User Interface and User Experience (UI/UX) Design, OAuth, Memory Management, Responsive Web Design, Prototyping, Animation and Game Design, Human Computer Interaction
★ 4.5 (710) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cyber Governance, Security Strategy, Security Management, Incident Management, Cyber Security Strategy, Business Continuity Planning, IT Security Architecture, Computer Security Incident Management, Business Continuity, Disaster Recovery, Cyber Security Policies, Incident Response, Data Governance, IT Management, Cybersecurity, Contingency Planning, Governance, Cyber Risk, Leadership Studies, Leadership
★ 4.5 (151) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Marketing Analytics, Business Intelligence, Predictive Modeling, Google Analytics, Customer Analysis, Analytics, Model Evaluation, Predictive Analytics, Customer Insights, Data Validation, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Open Source Technology, Linux, Package and Software Management, Shell Script, Linux Administration, Ubuntu, Linux Commands, Microsoft Windows, Unix Shell, User Accounts, Bash (Scripting Language), Command-Line Interface, Linux Servers, Systems Administration, Unix, Operating Systems, Desktop Support, Windows Servers, System Configuration, Security Management
★ 4.6 (162) · Intermediate · Specialization · 3 - 6 Months