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.

Dartmouth College
Skills you'll gain: Command-Line Interface, Linux Commands, Linux, Embedded Software, Embedded Systems, Linux Servers, Computer Engineering, File Systems, Unix, C (Programming Language), File Management, Memory Management, Computer Programming, Open Source Technology, OS Process Management, Build Tools
★ 4.7 (35) · Beginner · Course · 1 - 3 Months

Skills you'll gain: English Language, Language Competency, Technical Communication, digital literacy, Oral Comprehension, Health Technology, Vocabulary, Computer Literacy, Collaborative Software, Grammar, Safety and Security, End User Training and Support, Help Desk Support, Technical Support, Language Learning, Computer Security Awareness Training, Data Security, Emerging Technologies, Innovation, Computer Hardware
★ 4.1 (18) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Network Architecture, Network Monitoring, Load Balancing, Network Planning And Design, Virtual Networking, Microsoft Azure, Network Engineering, Network Troubleshooting, Network Infrastructure, Cloud Engineering, Network Administration, Scalability, Network Security, Computer Networking, Firewall, Virtual Private Networks (VPN), TCP/IP, Distributed Denial-Of-Service (DDoS) Attacks, Remote Access Systems
★ 4.4 (39) · Beginner · Course · 1 - 4 Weeks

Board Infinity
★ 4.5 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Database Administration, Relational Databases, Database Management Systems, Database Architecture and Administration, Data Import/Export, Patch Management, Memory Management, Database Systems, Multi-Tenant Cloud Environments, Database Software, Database Management, Operational Databases, Software Installation, Performance Tuning, Server Administration, Data Maintenance, Query Languages, User Accounts, System Configuration
★ 4.7 (13) · Intermediate · Specialization · 3 - 6 Months

AI CERTs
Beginner · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), API Design, Application Programming Interface (API), Application Security, Secure Coding, Security Controls, Vulnerability Assessments, Authorization (Computing), Hardening, Cryptographic Protocols, Cryptography, Authentications, Exploitation techniques
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Cloud Services, Cloud Computing, Cloud Infrastructure, Software-Defined Networking, Virtual Networking, Wide Area Networks, Cloud Engineering, Network Architecture, Cloud Computing Architecture, Cloud Platforms, Virtualization and Virtual Machines, Computer Networking, Virtualization, Load Balancing, Data Centers, Network Infrastructure, Terraform, Virtual Machines, Hybrid Cloud Computing, Google Cloud Platform
★ 4.8 (27) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Data Governance, Prompt Engineering, Continuous Deployment, Generative AI, System Monitoring, CI/CD, Responsible AI, Automation, DevOps, Compliance Management, Performance Tuning, Data Pipelines, Kubernetes, Docker (Software), Containerization, Data Security, Risk Management, Dashboard, Cloud Platforms
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Wrangling, Data Management, Security Management, Model Optimization, Advanced Analytics, Pivot Tables And Charts
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Risk Management, Enterprise Risk Management (ERM), Risk Analysis, Risk Management Framework, Governance Risk Management and Compliance, Legal Risk, Interoperability, IT Security Architecture, Cyber Risk, Information Technology Architecture, Network Architecture, Security Architecture Review, Governance, Solution Architecture, Application Security, Cryptography, Enterprise Architecture, Data Storage, Systems Architecture
★ 4.8 (26) · Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Security Strategy, DevSecOps, Budget Management, Leadership, Leadership Development, Performance Metric, Workforce Development, Key Performance Indicators (KPIs)
Intermediate · Course · 1 - 3 Months