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: Software Documentation, Java, Back-End Web Development, Application Programming Interface (API), Secure Coding, Databases, Data Persistence, Dependency Analysis
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Amazon S3, Authorization (Computing), Role-Based Access Control (RBAC), Authentications, Single Sign-On (SSO), User Accounts, Data Security, Multi-Factor Authentication, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rmarkdown, Autoencoders, Shiny (R Package), Deep Learning, Recurrent Neural Networks (RNNs), Transfer Learning, Model Evaluation, R (Software), Data Import/Export, Classification Algorithms, Reinforcement Learning, R Programming, Ggplot2, Data Manipulation, Convolutional Neural Networks, Plotly, Applied Machine Learning, Machine Learning Algorithms, Artificial Intelligence, Dimensionality Reduction
Beginner · Specialization · 3 - 6 Months

Digital Marketing Institute
Skills you'll gain: Marketing Budgets, Data-Driven Decision-Making, Digital Marketing, Social Media Marketing, Marketing Channel, Data Ethics, Customer experience strategy (CX), Digital Media Strategy, Customer Analysis, Customer experience improvement, Cross-Channel Marketing, Marketing Automation, Marketing Strategy and Techniques, Strategic Marketing, Strategic Decision-Making, Social Media Strategy, Digital Advertising, Business Analytics, Marketing Analytics, Strategic Thinking
Beginner · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Amazon Bedrock, Model Deployment, Large Language Modeling, MLOps (Machine Learning Operations), Amazon Web Services, AI Security, AI Workflows, Continuous Monitoring, Data Ethics, Responsible AI, Application Deployment, Generative AI, Serverless Computing, Cloud Computing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Intelligence, Power BI, Cloud Security, Business Analytics, Advanced Analytics, Data Management, Data Governance, Amazon Web Services, Data Integration, Data Security, Cost Control, Data Visualization Software, Cloud Computing, Data Warehousing, Amazon S3, Database Management
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: JUnit, File I/O, Unit Testing, Program Development, Debugging, Java, Maintainability, Software Development, Secure Coding, Software Testing, Test Case, Authentications, Application Security, Cryptography, Object Oriented Programming (OOP), Eclipse (Software), Integrated Development Environments, Encryption, Data Structures
Beginner · Course · 1 - 4 Weeks

Genentech
Skills you'll gain: Clinical Data Management, Clinical Trials, Interactive Data Visualization, Drug Development, Data Presentation, R (Software), Pharmaceuticals, Shiny (R Package), Data Visualization, Statistical Reporting, Data Modeling, R Programming, Technical Communication, Data Manipulation, Statistical Programming, Data Import/Export, Data Transformation, Data Science
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Security, Key Management, Encryption, Cloud Storage, Cloud API, Data Governance, Google Cloud Platform, Data Security
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Generative AI Agents, AI Workflows, Virtual Environment, UI Components, Cloud API
Beginner · Project · Less Than 2 Hours

Infosec
Skills you'll gain: Secure Coding, Computer Programming Tools, C and C++, C++ (Programming Language), Software Development Tools, C (Programming Language), Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Load Balancing, Cloud Infrastructure, Terraform, Infrastructure as Code (IaC), Cloud Computing, Virtual Private Networks (VPN), Virtual Machines, Managed Services, Virtual Networking, Scalability, Servers
Intermediate · Course · 1 - 3 Months