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.

Google Cloud
Skills you'll gain: Single Sign-On (SSO), Email Security, Google Workspace, Cloud Security, Security Management, Data Security, Security Controls, OAuth, Application Security, Security Assertion Markup Language (SAML), Mobile Security, Cloud API, Authentications, Multi-Factor Authentication, Endpoint Security, User Provisioning, Identity and Access Management, Enterprise Application Management, Data Loss Prevention
Beginner · Course · 1 - 4 Weeks

Sage Publications
Skills you'll gain: Sales Prospecting, Closing (Sales), Sales Presentation, Sales Process, Sales Management, Active Listening, Selling Techniques, Conflict Management, Customer Acquisition Management, Sales, Prospecting and Qualification, Account Strategy, Sales Strategy, General Sales Practices, Persuasive Communication, Customer Relationship Management, Customer Analysis, Sales Development, Ethical Standards And Conduct, Network Administration
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Kubernetes, Docker (Software), Cloud Deployment, Containerization, Application Deployment, Scalability, Google Cloud Platform, Node.JS
★ 4.9 (7) · Intermediate · Project · Less Than 2 Hours

The State University of New York
Skills you'll gain: Blockchain, Market Liquidity, FinTech, Financial Market, Cryptographic Protocols, Financial Systems, Governance, Financial Trading, Financial Services, Network Protocols, Digital Assets
★ 4.8 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Model Training, Model Evaluation, Data Preprocessing, Regression Analysis, Predictive Modeling, Machine Learning Methods, Applied Machine Learning, Data Analysis, Plot (Graphics), Machine Learning, Data Visualization, Decision Tree Learning, Predictive Analytics, Machine Learning Algorithms, Data Visualization Software, Artificial Neural Networks, Deep Learning, Statistical Methods, Python Programming
★ 4.9 (7) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Canva (Software), Video Editing, Social Media Content, Social Media, Instagram, Social Media Marketing, Social Media Management, Graphic and Visual Design Software, Facebook, Content Creation, Advertising, Animations, Shared Media, Graphic Design, Graphic and Visual Design, Design, User Accounts
★ 4.3 (7) · Beginner · Guided Project · Less Than 2 Hours

Pearson
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Identity and Access Management, Amazon Web Services, Cloud Hosting, Cloud Deployment, Cloud Infrastructure, Cloud Computing, Cloud Services, Virtual Networking, Authentications, Cloud Applications, Authorization (Computing), User Accounts, Network Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Scikit Learn (Machine Learning Library), Data Visualization, Feature Engineering, Data Preprocessing, Model Training, Customer Analysis, Predictive Modeling, Scientific Visualization, Predictive Analytics, Marketing Analytics, Applied Machine Learning, Online Advertising, Data-Driven Marketing, Logistic Regression, Data Cleansing, Data Manipulation, Machine Learning, Python Programming, Deep Learning
★ 4.6 (10) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: WordPress, Cloud Hosting, Frontend Performance, Performance Tuning, Amazon Web Services, Content Management Systems, Cloud Deployment, Remote Access Systems, Web Servers, Servers, Database Management, Scalability, Systems Administration, System Configuration, Image Quality
★ 4.5 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Java, Performance Tuning, Spring Framework, System Programming, Application Performance Management, Algorithms, JUnit, OS Process Management, Application Frameworks, Programming Principles, Spring Boot, Scalability
Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Routing Protocols, Network Planning And Design, Network Protocols, System Configuration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Disaster Recovery, Remote Access Systems, File Systems, Data Access, Data Storage, File Management, Data Sharing, Network Planning And Design, Distributed Computing, Computer Networking, Servers, Network Protocols, System Configuration, Open Source Technology
★ 5 (10) · Intermediate · Course · 1 - 3 Months