Internet Security courses can help you learn about network security protocols, encryption techniques, and threat detection methods. You can build skills in risk assessment, incident response, and implementing security policies. Many courses introduce tools like firewalls, intrusion detection systems, and antivirus software, demonstrating how these tools are used to protect sensitive data and maintain system integrity.

Skills you'll gain: Exploitation techniques, Metasploit, Vulnerability Assessments, Vulnerability Scanning, Security Testing, Security Controls, Brute-force attacks, Virtual Environment, Cybersecurity, Virtual Machines, Technical Writing, Technical Documentation, Linux
★ 4 (7) · Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Digital Forensics, Microsoft Windows, User Accounts, USB, File Systems, System Configuration, Software Installation, Operating Systems, Incident Response
★ 4.7 (68) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: OSI Models, TCP/IP, Vulnerability Scanning, General Networking, Network Protocols, Network Security, Network Monitoring, Network Troubleshooting, Security Testing, Intrusion Detection and Prevention, Vulnerability Assessments, Firewall, Performance Tuning, Threat Detection, Network Analysis, Test Script Development, Scripting, System Configuration
Intermediate · Course · 1 - 3 Months

University of Glasgow
Skills you'll gain: Federated Learning, Emerging Technologies, Generative AI, Communication Systems, Internet Of Things, Software-Defined Networking, Digital Communications, Network Architecture, Zero Trust Network Access, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), Distributed Computing, Information Technology, Health Technology, Electronics Engineering, Electrical Engineering, Machine Learning, Trustworthiness
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Virtual Networking, Network Administration, Network Troubleshooting, System Configuration, TCP/IP, Computer Networking, Local Area Networks, General Networking, Virtual Environment, Servers, Networking Hardware, Network Engineering, Simulations, Configuration Management, Information Technology, Verification And Validation
★ 4.5 (91) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Network Troubleshooting, Network Routing, Routing Protocols, Network Routers, OSI Models, TCP/IP, Virtual Local Area Network (VLAN), Network Switches, Network Architecture, Networking Hardware, Network Administration, Local Area Networks, Network Infrastructure, Network Protocols, System Configuration, Configuration Management
★ 4.7 (37) · Intermediate · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Power BI, Interactive Data Visualization, Data Modeling, Data Transformation, Business Requirements, Model Optimization, Data Presentation, Star Schema, Data Visualization Software, Snowflake Schema, Relational Databases, Data Access, Data Integration, Requirements Elicitation, Data Import/Export, Data Cleansing, Requirements Analysis, Data Analysis, Stakeholder Management, Decision Making
Beginner · 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

Skills you'll gain: Embedded Software, Application Security, Embedded Systems, DevSecOps, Secure Coding, Internet Of Things, Application Deployment, Systems Design, Cloud Deployment, Security Requirements Analysis, User Interface and User Experience (UI/UX) Design, System Design and Implementation, Cybersecurity, Security Engineering, Systems Architecture, Vulnerability Management, IT Security Architecture, Cyber Security Strategy, Design Strategies, Software Architecture
Beginner · Course · 3 - 6 Months

Skills you'll gain: Application Deployment, Kubernetes, Network Troubleshooting, Performance Tuning, Network Routing, Network Security, Network Administration, Scalability
★ 3.6 (18) · Advanced · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Generative Engine Optimization (GEO), Keyword Research, Blogs, Search Engine Optimization, Web Analytics and SEO, Copywriting, Content Optimization, Web Analytics, Large Language Modeling, Search Engine Marketing, Web Content, Google Analytics, Google Gemini, LLM Application, Frontend Performance, Web Presence, Digital Marketing Tools, Marketing, Digital Marketing, Marketing Planning
★ 4.5 (13) · Beginner · Specialization · 3 - 6 Months

Knowledge Accelerators
Skills you'll gain: Dashboard Creation, Pivot Tables And Charts, Power BI, Spreadsheet Software, Data Analysis, Analytics, Business Modeling, Business Analysis, Data Storytelling, Data Presentation, Microsoft 365, Trend Analysis, Data Security, Data Entry, Data Management, Productivity
Intermediate · Course · 1 - 3 Months