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: Network Architecture, General Networking, Wireless Networks, Networking Hardware, TCP/IP, Virtual Networking, Network Routers, Network Administration, Local Area Networks, OSI Models, Network Infrastructure, Computer Networking, Virtual Local Area Network (VLAN), Network Model, Network Security, Software-Defined Networking, Network Switches, Network Protocols, Command-Line Interface
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Surveys, Survey Creation, Customer Insights, Data-Driven Marketing, Data Import/Export, Data Presentation, Market Research, Marketing Analytics, Customer Analysis, Marketing Strategies, Target Audience, Presentations, Data Analysis, Microsoft Excel, Target Market, Pivot Tables And Charts, Data-Driven Decision-Making, Data Storytelling, Spreadsheet Software, Data Capture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Controls, Cloud Management, IT General Controls (ITGC), Cloud Security, Cloud Standards, Cloud Computing, Cyber Security Assessment, Cybersecurity, Security Testing, Control Objectives for Information and Related Technology (COBIT), Risk Management Framework, Identity and Access Management, Incident Response
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Operating System Administration, Information Technology Operations, Incident Management, Security Management, IT Automation, Security Controls, Systems Administration, System Support, Technical Support and Services, Endpoint Security, Data Security, General Networking, Network Troubleshooting, Knowledge of Apple Software, Wireless Networks, File Systems, File Management, Identity and Access Management, User Accounts, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, TikTok, Debugging, Keyword Research, Podcasting, Video Production, Vibe coding, Prototyping, Social Media Content, Social Media Management, Shared Media, Social Media Marketing, Search Engine Optimization, Copywriting, Mobile Development, Paid media, Business Planning, Mobile Development Tools, Earned Media, Other Mobile Programming Languages
Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Sustainable Development, Sustainable Systems, Nutrition and Diet, Social Determinants Of Health, Sustainability Standards, Environment Health And Safety, Environment, Health Assessment, Health Disparities, Epidemiology, Environment and Resource Management, Environmental Science, Public Health and Disease Prevention, Public Health, Climate Change Mitigation, Problem Solving
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Content Performance Analysis, Persona Development, Content Marketing, Driving engagement, Content Scheduling, Customer Insights, Target Audience, Content Strategy, Content Optimization, Data-Driven Marketing, Customer Analysis, Persona (User Experience), Social Media Content, Data Storytelling, Performance Analysis, Marketing Analytics, Social Media Analytics, Marketing, Scheduling, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Scheduling, Project Schedules, Work Breakdown Structure, Project Management Software, Workflow Management, Dependency Analysis, Process Optimization, Performance Analysis, Data-Driven Decision-Making, Project Performance, Data Import/Export
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Open Source Technology, Package and Software Management, Linux, Shell Script, Ubuntu, Unix Shell, Linux Administration, Operating System Administration, Bash (Scripting Language), Linux Servers, Unix, Operating Systems, Command-Line Interface, Scripting, Linux Commands, Red Hat Enterprise Linux, File Systems, Network Administration, Software Installation, System Software
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Windows, Authentications, Operating System Administration, Azure Active Directory, Microsoft Intune (Mobile Device Management Software), Identity and Access Management, System Configuration, User Provisioning, Active Directory, Remote Access Systems, Software Installation, Role-Based Access Control (RBAC), Automation, Data Migration
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Claude Code, Infrastructure as Code (IaC), CI/CD, Bash (Scripting Language), PostgreSQL, Redis, Google Cloud Platform, Ubuntu, Agile Project Management, Continuous Integration, Prometheus (Software), Object Oriented Design, Data Pipelines, Linux Commands, SQL, Web Development Tools, Extract, Transform, Load, Amazon S3, Computational Logic, Software Development
Beginner · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Regulatory Compliance, Agentic Workflows
Beginner · Course · 1 - 3 Months