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: Test Automation, Test Script Development, Mobile Development Tools, Jenkins, Test Execution Engine, Application Frameworks, Continuous Integration, Debugging, Scalability, CI/CD, Test Engineering, Maintainability, Automation, Continuous Deployment, Cross Platform Development, Code Reusability, Containerization
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Design, Social Media Marketing, Social Media Content, Marketing Materials, Social Media Campaigns, Event Marketing, Marketing, Content Creation, Social Media, Branding, Promotional Materials, Loyalty Programs, Advertising, Creative Design, Product Promotion, Design, Brand Loyalty, Customer Engagement
★ 4.7 (236) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Model Based Systems Engineering, Systems Engineering, Requirements Analysis, Test Engineering, Systems Thinking, Systems Architecture, Test Planning, Systems Design, Aerospace Basic Quality System Standards, Systems Analysis, Functional Requirement, Systems Development, Risk Management Framework, System Testing, System Requirements, Verification And Validation, Failure Analysis
★ 4.8 (99) · Beginner · Course · 1 - 3 Months
Skills you'll gain: AI Enablement, Google Sheets, Google Gemini
★ 4.8 (34) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Search Engine Marketing, Digital Brand Strategy, Keyword Research, Digital Marketing, Online Advertising, Search Engine Optimization, Content Marketing, Social Media Marketing, Social Media Strategy, Digital Media Strategy, Social Media, Web Analytics and SEO, Storytelling, Marketing Strategies, Marketing Strategy and Techniques, Pay Per Click Advertising, Marketing Communications, Digital Advertising, Customer Relationship Management, Brand Management
★ 4.7 (243) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Serverless Computing, Identity and Access Management, Data Pipelines, Google Cloud Platform, Cloud Security, Data Processing, Data Security, Cloud Storage, Containerization
★ 4.1 (94) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Incident Response, Threat Modeling, Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Threat Detection, Risk Management, Cybersecurity, Computer Security Incident Management, Secure Coding, Cyber Security Assessment, Incident Management, Security Testing, MITRE ATT&CK Framework, Systems Development Life Cycle, Cyber Governance, Intrusion Detection and Prevention, Cyber Threat Intelligence, Cyber Attacks, Network Infrastructure
★ 4.5 (20) · Intermediate · Specialization · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Ggplot2, Scatter Plots, Plot (Graphics), Data Visualization Software, Statistical Visualization, Heat Maps, R Programming, Graphing, Data Wrangling, Graphics Software, Graphic and Visual Design
★ 4.9 (133) · Intermediate · Course · 1 - 4 Weeks

University of Manchester
Skills you'll gain: Health Equity, Health Disparities, Public Health and Disease Prevention, Public Health, World History, Healthcare Ethics, Emergency Response, Health Care, Health Systems, Crisis Intervention, Social and Human Services, Safety and Security, Human Services, Ethical Standards And Conduct, International Relations, Infectious Diseases, Social Studies, Mitigation, Policy Analysis, Advocacy
★ 4.7 (289) · Beginner · Course · 1 - 3 Months
CertNexus
Skills you'll gain: Data Ethics, Responsible AI, Accountability Frameworks, Risk Control, Accountability, Risk Management, Risk Analysis, Business Risk Management, Information Privacy, Risk Management Framework, Risk Mitigation, Personally Identifiable Information, Safety Assurance, Safety and Security, Safety Standards, Ethical Standards And Conduct, Artificial Intelligence, Diversity and Inclusion
★ 4.5 (102) · Beginner · Course · 1 - 3 Months

Meta
Skills you'll gain: Restful API, SQL, React Native, Database Management, Databases, Application Programming Interface (API), API Design, Relational Databases, Data Persistence, Mobile Development, Data Storage Technologies, Data Management, Application Development, Authentications
★ 4.7 (69) · Intermediate · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Laboratory Experience, Laboratory Procedures, User Feedback, Experimentation, Chemistry
★ 4.7 (150) · Intermediate · Course · 1 - 3 Months