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: Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Cybersecurity, Threat Detection, Exploitation techniques, Data Encryption Standard, Threat Modeling, Security Awareness, Cryptography, Cyber Attacks, Data Security, Databases, Malware Protection, Penetration Testing, AI Security, Vulnerability Assessments, Application Security, Security Engineering, Artificial Intelligence, SQL
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Threat Modeling, Application Security, Software Development Life Cycle, DevSecOps, Threat Management, Security Testing, Secure Coding, Cloud Security, Encryption, Vulnerability Scanning, Software Development, Cryptography, CI/CD, Cloud Platforms, DevOps, Vulnerability Assessments, Vulnerability Management, Penetration Testing, Configuration Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Excel Formulas, Spreadsheet Software, Microsoft Excel, Financial Modeling, Auditing, Procedure Development, Debugging, Project Documentation, Data Integrity, Data Security
Advanced · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Logistic Regression, Web Scraping, Data Visualization, Rmarkdown, Data Presentation, Data Storytelling, Version Control, Leaflet (Software), Statistical Modeling, Statistics, Statistical Hypothesis Testing, Statistical Reporting, Statistical Analysis, Data Cleansing, Probability & Statistics, Data Manipulation, R Programming, Data Preprocessing, R (Software), Data Wrangling
Beginner · Professional Certificate · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Strategic Partnership, Business Development, Growth Strategies, New Business Development, Loyalty Programs, Professional Networking, Conversion Funnel Analysis, Relationship Building, Brand Loyalty, Business Relationship Management, Customer Relationship Building, Collaboration, Customer Engagement, Cross-Functional Collaboration, Marketing, Business Solutions, Revenue Management, Business Planning, Business, Business Communication
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Sample Size Determination, Statistical Analysis, Statistical Reporting, Statistics, Data Analysis, Statistical Methods, A/B Testing, Statistical Software, Estimation, Conversion Funnel Analysis, Business Analysis, Probability & Statistics, Stakeholder Communications, Decision Making, Business Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Preprocessing, Computer Vision, Image Analysis, Model Training, Data Transformation, NumPy, Color Theory
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Data Governance, Databricks, Data Management, Metadata Management, Data Quality, Data Security
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Semiconductors, Electronics Engineering, Electronics, Electronic Hardware, Hardware Architecture, Thermal Management, Scalability, Interoperability, Systems Integration, Technology Roadmaps, Manufacturing Processes, Technical Standard
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Order Management, Order Entry, Sales Process, Order Processing, Accounting Software, Customer Relationship Management, Inventory Control, Small Business Accounting, Inventory Management System, Customer Relationship Management (CRM) Software, Financial Reporting, Accounts Receivable, Invoicing, Cloud Security, Sales, Amazon Web Services, Data Security, Billing & Invoicing, Accounting, Finance
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Content Marketing, Content Strategy, Content Management, Marketing Strategies, Gap Analysis, Strategic Marketing, Content Development and Management, Journey Mapping, Driving engagement, Marketing Materials, Content Creation, Sales Process
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Generative AI Agents, Google Cloud Platform, Cloud Security, Google Workspace, Agentic Workflows, AI Workflows, Agentic systems, Data Access, LLM Application, Large Language Modeling, Enterprise Security, Data Store, Data Integration, Artificial Intelligence, Case Studies, Data Security, Authorization (Computing), Application Deployment, Retrieval-Augmented Generation
Beginner · Course · 1 - 3 Months