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: Extensible Markup Language (XML), Extensible Languages and XML, Selenium (Software), White-Box Testing, Scalability, Software Testing, Web Applications, Test Automation, Test Script Development, Automation, Scenario Testing, Maintainability, Hypertext Markup Language (HTML)
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Java, Application Servers, Web Applications, Development Environment, Java Programming, Application Development, Program Development, Object Oriented Programming (OOP), Mobile Development, Computer Programming, UI Components, Event-Driven Programming, User Interface (UI), Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Big Data, Apache Hadoop, Scalability, Data Processing, Data Science, Distributed Computing, Unstructured Data, Data Analysis
Mixed · Course · 1 - 3 Months

Skills you'll gain: AWS CloudFormation, Amazon CloudWatch, Version Control, AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), Amazon S3, Relational Databases, Amazon Elastic Compute Cloud, MySQL, Serverless Computing, Database Management, Cloud-Native Computing, Amazon DynamoDB, Internet Of Things, DevOps, Cloud Deployment, Network Protocols, Cloud Computing Architecture, Amazon Web Services, Cloud Management
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Marketing Effectiveness, Marketing Analytics, Digital Advertising, Marketing Channel, Digital Marketing, Social Media Marketing, Google Analytics, Content Marketing, Email Marketing, Marketing Budgets, Performance Measurement, Search Engine Marketing, Marketing, Brand Awareness, digital literacy, Communication Systems, Devops Tools, Communication
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Facebook, Copywriting, Social Media Marketing, Social Media Strategy, Instagram, Social Media Campaigns, Digital Advertising, Drive Engagement, Content Creation, Advertising, Customer Engagement, Target Audience
Mixed · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Regression Analysis, Calculus, Advanced Mathematics, Machine Learning Algorithms, Linear Algebra, Artificial Neural Networks, Mathematical Modeling, Python Programming, Derivatives
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Big Data, Analytics, Data Processing, Data Analysis, Data Strategy, Data Storage, Data Management, Data Infrastructure, Unstructured Data, Real Time Data
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Video Production, Adobe Express, Multimedia, Social Media Content, Cross-Channel Marketing, Content Marketing, Social Media, Marketing Analytics, Content Creation, Data Ethics, Marketing Effectiveness, Visual Design, Marketing Strategies, Social Media Marketing, Marketing Design, Digital Media Strategy, Graphic and Visual Design, Infographics, Storytelling, Design Elements And Principles
Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Infrastructure Security, Cyber Risk, Cyber Security Policies, Cyber Security Assessment, Cybersecurity, Cyber Security Strategy, Risk Management Framework, Technology Roadmaps, Network Infrastructure, Transportation Operations, Infrastructure Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Istio, Kubernetes, Cloud-Native Computing, Containerization, OpenShift, Docker (Software), CI/CD, DevOps, Application Deployment, Command-Line Interface, Scalability, Microservices, YAML
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Exploit development, Network Security, Vulnerability, Cybersecurity, Brute-force attacks, Vulnerability Assessments, Information Systems Security, Data Persistence
Intermediate · Course · 1 - 3 Months