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.

Johns Hopkins University
Skills you'll gain: Usability, User Experience Design, User Centered Design, Usability Testing, Technical Documentation, Bioinformatics, End User Training and Support, Clinical Informatics, Technical Writing, Product Development, Writing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Apache Spark, Data Pipelines, Data Integration, Big Data, Data Processing, Data Warehousing, Data Management, Data Architecture, Database Design, Scalability
Beginner · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Responsible AI, Data Ethics, AI Security, Data Governance, AI Workflows, Data Transformation, Data Integrity, Data Quality, MLOps (Machine Learning Operations), Risk Modeling, Data Validation, Metadata Management, Data Security
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Blockchain, Web Development Tools, Software Development Tools, Application Deployment, Cloud Storage, Web Applications, JavaScript Frameworks, Development Testing, Application Development, Transaction Processing, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Machines, Google Cloud Platform, Microsoft Azure, Load Balancing, Cloud Computing Architecture, Public Cloud, Multi-Cloud, Cloud Infrastructure, Virtual Networking, Servers, Network Routing, Firewall, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Real Time Data, Apache Spark, Apache Kafka, Data Integration, Apache Hive, Big Data, Applied Machine Learning, System Design and Implementation, Distributed Computing, Data Processing, MongoDB, NoSQL, SQL, Scalability
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Systems Engineering, Verification And Validation, Systems Architecture, Configuration Management, Systems Development, Systems Development Life Cycle, Systems Design, Reliability, Risk Management, Risk Management Framework, Systems Analysis, Systems Integration, Requirements Analysis, Maintainability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Advertising, Advertising Campaigns, Facebook, Marketing Automation, Social Media Management, Marketing, Social Media, Social Media Marketing, Target Audience, Goal Setting, Digital Marketing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Transformation, Business Intelligence, Data Modeling, Interactive Data Visualization, Data Manipulation, Dashboard, Data Visualization Software, Microsoft Excel, SQL Server Reporting Services, Data Warehousing, Data Sharing, Data Integration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Instagram, Facebook, LinkedIn, Content Creation, Social Media Content, Social Media, Graphic Design, Social Media Marketing, Marketing Design, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Target Audience, Facebook, Social Media, Persona Development, Social Media Marketing, Social Media Strategy, Customer Insights, Presentations, Web Analytics, Marketing Budgets
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: AI Workflows, AI Enablement, Databricks, Initiative and Leadership, Scalability, AI Orchestration, Workflow Management, MLOps (Machine Learning Operations), Strategic Thinking, Model Deployment, Business Strategy, Cloud Computing Architecture, Automation, Real Time Data
Beginner · Course · 1 - 4 Weeks