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.

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Cybersecurity, Key Management, Advanced Encryption Standard (AES), Encryption, Cryptographic Protocols, Public Key Cryptography Standards (PKCS), Authentications, Arithmetic, Algorithms, Brute-force attacks, Applied Mathematics, Data Integrity, Probability, Computer Science
★ 4.6 (1K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: IT Security Architecture, Operating System Administration, TCP/IP, Systems Administration, Network Troubleshooting, IT Infrastructure, File Systems, Information Systems Security, OSI Models, Network Security, Network Protocols, Hardening, Computer Security, Microsoft Windows, Operating Systems, Lightweight Directory Access Protocols, Desktop Support, Technical Support, Technical Support and Services, System Support
★ 4.9 (995) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Paid media, Data Storytelling, Email Marketing, Social Media Strategy, Google Ads, Social Media, Digital Advertising, Social Media Marketing, Search Engine Optimization, Content Creation, Google Analytics, Customer Retention, Digital Marketing, Marketing Budgets, Loyalty Programs, Order Fulfillment, Online Advertising, Digital Marketing Tools, Marketing, E-Commerce
★ 4.9 (333) · Beginner · Professional Certificate · 3 - 6 Months

Nanjing University
Skills you'll gain: Data Processing, Data Mining, Data Structures, Data Presentation, Object Oriented Programming (OOP), Web Scraping, Data Capture, Data Analysis, Python Programming, NumPy, Data Preprocessing, Data Visualization, UI Components, User Interface (UI) Design, Programming Principles
★ 4.1 (378) · Beginner · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Prompt Engineering, Responsible AI, Generative AI, Data Ethics, AI literacy, AI Security, Management Consulting, Artificial Intelligence, Business Consulting, Consulting, AI Enablement, Risking, Technical Consulting, Microsoft Copilot, Quality Assurance, AI powered creativity, Market Intelligence, Market Research, Automation, Critical Thinking
★ 4.6 (239) · Beginner · Specialization · 1 - 3 Months

Google - Spectrum Sharing
Skills you'll gain: Public Key Infrastructure, Wireless Networks, Technical Communication, Software Installation, Key Management, Infrastructure Security, Network Infrastructure, Cryptography, System Configuration, System Requirements, Telecommunications, Continuous Monitoring, Data Entry
★ 4.5 (223) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Computer Security Incident Management, NIST 800-53, Incident Management, Security Management, Digital Forensics, Security Controls, Disaster Recovery, Authorization (Computing), Continuous Monitoring, Change Control, Cybersecurity, Event Monitoring, Risk Management, System Monitoring, Federal Information Security Management Act, Cyber Risk, Threat Management, Cyber Security Policies, Vulnerability Assessments, Vulnerability Management
★ 4.7 (48) · Intermediate · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Cyber Threat Intelligence, Cyber Threat Hunting, Threat Detection, Vulnerability Assessments, Threat Management, Event Monitoring, Intrusion Detection and Prevention, Security Information and Event Management (SIEM), Computer Security Incident Management, Continuous Monitoring, Incident Response, Security Awareness, Security Management, Malware Protection, Network Security, Network Analysis, Network Monitoring
★ 4.8 (40) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: User Research, Internet Of Things, Usability Testing, Design Research, Prototyping, Design Thinking, Ideation, Automation, Usability, Advanced Analytics, Analytics, Solution Design, User Experience Design, Infrastructure Architecture, Data-Driven Decision-Making, Data Management, Data Processing, Robotics, Systems Architecture, Network Protocols
★ 4.5 (54) · Beginner · Specialization · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Spring Framework, Object-Relational Mapping, Cloud Security, Java, Java Programming, Scalability, Cloud Development, Cloud Applications, Secure Coding, Web Services, Cloud Services, Cloud Computing, Cloud Computing Architecture, JSON, Cloud Deployment, Application Frameworks, Java Platform Enterprise Edition (J2EE), Data Security, Application Security, Object Oriented Design
★ 4.3 (253) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Disaster Recovery, Data Management, Google Cloud Platform, Cloud Infrastructure, Data Integration, Cloud Services, SAP Applications, Cloud Computing Architecture, Identity and Access Management, Cloud Deployment, Cloud Computing, Cloud Management, Cloud Security, Data Migration, IT Infrastructure, Cloud Storage, Systems Design
★ 4.6 (185) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Responsible AI, ChatGPT, Prompt Engineering Tools, AI literacy, Data Ethics, Generative AI, Digital pedagogy, AI Integrations, LLM Application, Educational Materials, AI Personalization, Canva (Software), Instructional Design, Communication, Data Security
★ 4.9 (601) · Beginner · Course · 1 - 3 Months