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.

Board Infinity
Skills you'll gain: White-Box Testing, Performance Testing, Maintainability, Test Tools, Software Testing, Code Review, Test Automation, Software Technical Review, Test Planning, Scripting, Risk Analysis, Performance Stress Testing, Software Quality Assurance, Application Security, Test Script Development, Continuous Integration, Code Coverage, Test Case, Quality Assurance, Security Testing
★ 3.9 (15) · Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Application Programming Interface (API), Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), Back-End Web Development, Eclipse (Software), Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Disaster Recovery, SAP S/4HANA, SAP Applications, Azure Active Directory, Cloud Infrastructure, Cloud Management, Computing Platforms, System Monitoring, Cloud Deployment, Application Deployment, Data Storage Technologies, Network Planning And Design, Virtual Machines, Virtual Networking, IT Infrastructure, Data Migration
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Constructive Feedback, Peer Review, Independent Thinking, Empathy, Rapport Building, Teamwork, Collaboration, Relationship Building, Diversity and Inclusion, Concision, Emotional Intelligence, Diversity Awareness, Communication, Social Network Analysis
★ 4.8 (6) · Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Digital Marketing, Target Audience, Data-Driven Marketing, Search Engine Optimization, Social Media Content, Social Media, Email Marketing, Marketing Strategy and Techniques, Marketing Strategies, Social Media Strategy, Digital Brand Strategy, Social Media Marketing, Marketing Analytics, Marketing, Digital Marketing Tools, Web Analytics and SEO, Business Marketing, Web Analytics, Business Development, Business
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Governance, Data Management, Data Quality, Information Management, Metadata Management, Data Security, Data Access, Google Cloud Platform
Beginner · Course · 1 - 3 Months

Alfaisal University | KLD
Skills you'll gain: Financial Market, Derivatives, Investments, Capital Markets, International Finance, Financial Trading, Securities (Finance), General Finance, Securities Trading, Market Liquidity, Finance, Investment Management, Financial Management, Risk Analysis, Return On Investment
★ 4.6 (16) · Beginner · Course · 1 - 4 Weeks

Google DeepMind
Skills you'll gain: Google Gemini, Gemini, Generative AI Agents, AI Orchestration, LLM Application, Token Optimization, Agentic Workflows, AI Integrations, Google Cloud Platform, Tool Calling, Agentic systems, Generative Model Architectures, AI Security, Cloud Deployment, Prompt Engineering, Application Programming Interface (API), Application Deployment, Secure Coding, Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Convolutional Neural Networks, Model Optimization, Model Evaluation, Keras (Neural Network Library), Image Analysis, Deep Learning, Artificial Neural Networks, Applied Machine Learning, Computer Vision, Model Training, Dimensionality Reduction, PyTorch (Machine Learning Library), Tensorflow, Machine Learning Methods, Performance Tuning, Artificial Intelligence, Bayesian Statistics
Intermediate · Course · 1 - 4 Weeks

Alibaba Cloud Academy
Skills you'll gain: Plot (Graphics), Data Visualization Software, Big Data, Apache Hadoop, Apache Spark, Apache Hive, Distributed Computing, Data Infrastructure, Data Pipelines, Data Processing, Data Warehousing, Data Analysis, Data Integration, Cloud Security, Cloud Technologies, Artificial Intelligence and Machine Learning (AI/ML), SQL
★ 4.3 (52) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: NSX-T Network Virtualization, Virtual Networking, Virtualization, Network Architecture, IT Security Architecture, Cloud Management, Network Security, Infrastructure Security, Cloud Platforms, Amazon Web Services, Software-Defined Networking, Public Cloud, Software-Defined Data Center (SDDC), Firewall, Data Centers, IT Automation, Digital Transformation, Disaster Recovery, Continuous Monitoring, Network Routing
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Email Marketing, Data-Driven Marketing, Gap Analysis, Marketing Analytics, Performance Analysis, Microsoft Excel, Campaign Management, Excel Formulas, Data-Driven Decision-Making, Performance Measurement, Variance Analysis, Performance Improvement, Data Analysis, Performance Reporting, Correlation Analysis
Beginner · Course · 1 - 4 Weeks