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.

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Open Web Application Security Project (OWASP), Cyber Security Assessment, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Threat Modeling, Cybersecurity, Distributed Denial-Of-Service (DDoS) Attacks, Cryptography, Cyber Threat Intelligence, Mobile Security, Security Testing, Brute-force attacks, Vulnerability Scanning, Network Security, Operating Systems, Encryption
Intermediate · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Telecommunications, Communication Systems, Distributed Computing, Wireless Networks, General Networking, Network Routing, Embedded Software, Network Protocols
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, TCP/IP, Network Architecture, Network Protocols, General Networking, Network Routers, Routing Protocols, Public Key Infrastructure, Network Model, Cryptography, Web Applications
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Disaster Recovery, Computer Security Incident Management, Business Continuity, Cybersecurity, Information Assurance, Cyber Security Policies, Investigation, Threat Detection, Threat Management, Digital Forensics
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Network Monitoring, Network Planning And Design, Network Troubleshooting, Google Cloud Platform, Cloud Engineering, Network Architecture, Cloud Computing Architecture, Virtual Networking, Hybrid Cloud Computing, Network Routing, Firewall, Kubernetes, Load Balancing, Virtual Private Networks (VPN), Cloud Security, Test Planning
Advanced · Course · 1 - 3 Months

Skills you'll gain: Social Media Management, Social Media Marketing, Content Creation, Social Media Strategy, Social Media Campaigns, Content Marketing, Instagram, Content Management, Content Strategy, Content Performance Analysis, Brand Management, Facebook, Branding, Customer Engagement
Beginner · Course · 1 - 4 Weeks
University of California, Davis
Skills you'll gain: Content Marketing, Competitive Analysis, Copywriting, Marketing Strategy and Techniques, Social Media Strategy, Brand Marketing, Digital Media Strategy, Writing, Marketing Analytics, Search Engine Optimization, Business-To-Consumer, B2B Sales, Auditing
Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: OSI Models, Network Architecture, Computer Networking, TCP/IP, Network Protocols, General Networking, Network Infrastructure, Wireless Networks, Network Routing, Local Area Networks, Network Security, Virtual Local Area Network (VLAN), Load Balancing, Wide Area Networks, Cloud Computing
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Database Design, Software Design, Application Security, Vulnerability Assessments, Unified Modeling Language, Unit Testing, Threat Modeling, Usability Testing, User Interface and User Experience (UI/UX) Design, Data Flow Diagrams (DFDs), Open Web Application Security Project (OWASP), Software Architecture, Secure Coding, Object Oriented Design, Software Design Patterns, Database Management, Security Software, Systems Design, Software Development Life Cycle, Technical Design
Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Version Control, Hypertext Markup Language (HTML), GitHub, Git (Version Control System), HTML and CSS, Cascading Style Sheets (CSS), Web Design and Development, Web Development, Web Design, Image Quality, Web Content, Front-End Web Development, Web Servers, Semantic Web, Cloud Hosting
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Power Platform, Excel Formulas, Process Flow Diagrams, Business Process Modeling, User Story, Business Requirements, Stakeholder Management, Data Modeling, Microsoft Excel, Software Development Life Cycle, Requirements Analysis, Requirements Elicitation, Quality Management, Diagram Design, Pivot Tables And Charts, Microsoft Visio, Power BI, Microsoft Power Automate/Flow, Business Analysis, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Web Analytics, Supplier Management, E-Commerce, WordPress, No-Code Development, Search Engine Optimization, Blogs, Web Design, Content Management Systems, Order Management Systems, Shipping and Receiving
Beginner · Course · 1 - 3 Months