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.

LearnKartS
Skills you'll gain: Cloud Deployment, Virtualization, Cloud Computing Architecture, Cloud Computing, Public Cloud, Network Protocols, TCP/IP, Amazon Web Services, File Transfer Protocol (FTP), General Networking, Virtual Machines, Infrastructure As A Service (IaaS), Software As A Service, Platform As A Service (PaaS), Servers, Private Cloud, Hybrid Cloud Computing
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Linux Commands, Linux, Unix Commands, Command-Line Interface, File Management, System Configuration, Linux Administration, Package and Software Management, DevOps
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Email Marketing, Social Media Marketing, Point of Sale, Brand Loyalty, Customer Retention, Social Media Management, Customer Relationship Management, Customer Engagement, Shipping and Receiving, Relationship Management, Customer Analysis, E-Commerce, Digital Marketing, Content Creation, Personalized Service, Employee Surveys, Process Optimization, User Feedback, Business Marketing, Contextual Advertising
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Target Audience, Generative AI, Social Media Marketing, Social Media, Social Media Content, AI Personalization, Social Media Strategy, MarTech, Content Creation, Digital Marketing
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Cyber Governance, Security Management, Incident Management, Cyber Security Strategy, Business Continuity, Disaster Recovery, Security Controls, Asset Management, Security Requirements Analysis, Risk Management, Resource Management, Compliance Auditing, Performance Metric
Mixed · Course · 3 - 6 Months

Skills you'll gain: Email Security, Microsoft Outlook, Calendar Management, Gmail, Setting Appointments, Organizational Skills, Microsoft Office, Google Workspace, Scheduling, Computer Literacy, Productivity Software
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Automation, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, System Monitoring, Workflow Management, Tool Calling, Continuous Monitoring, Scalability, Prompt Engineering, Code Review, User Feedback
Beginner · Course · 1 - 4 Weeks

University of New Mexico
Skills you'll gain: Middleware, Web Applications, Agile Software Development, Application Frameworks, Ruby on Rails, User Interface (UI), Software Development, Web Design, Data Modeling, Ajax, Software Architecture, Full-Stack Web Development, Model View Controller, Git (Version Control System), Software Development Tools, Relational Databases, Software Design Patterns, Javascript, Network Protocols
Mixed · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Responsible AI, No-Code Development, LLM Application, AI Enablement, ChatGPT, Business Metrics, Data Ethics, AI Personalization, Return On Investment, Artificial Intelligence, AI Product Strategy, Customer experience improvement, Language Interpretation, Translation, and Studies, Performance Measurement, Large Language Modeling, Product Improvement, Cross Platform Development, Continuous Improvement Process, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Penetration Testing, Cyber Governance, Risk Management, Vendor Management, Governance Risk Management and Compliance, Security Awareness, Security Strategy, Business Risk Management, Cyber Security Policies, Compliance Management, Business Continuity, Personally Identifiable Information, Data Security
Intermediate · Course · 1 - 4 Weeks
CertNexus
Skills you'll gain: Data Ethics, Responsible AI, Accountability, Risk Management, Operational Risk, Risk Analysis, Information Privacy, Risk Mitigation, AI Security, Personally Identifiable Information, Safety and Security, Business Ethics, Ethical Standards And Conduct
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Performance Tuning, Data Architecture, User Accounts, Data Warehousing, SQL, Database Management, Data Modeling, Data Transformation, Data Import/Export, Data Integration, Role-Based Access Control (RBAC), Data Governance, JSON, Data Security
Intermediate · Course · 1 - 4 Weeks