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: Penetration Testing, Security Testing, Hardening, Brute-force attacks, Test Automation, Business Logic, Cloud Security, Network Analysis, Programming Principles, API Testing, General Data Protection Regulation (GDPR), Cloud Computing, Vulnerability Management, Wireless Networks, Data Persistence, Application Programming Interface (API), Data Security
★ 4.7 (22) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Security Information and Event Management (SIEM), Splunk, Threat Detection, Computer Security Incident Management, System Monitoring, Cybersecurity, Security Management, Event Monitoring, Continuous Monitoring, Incident Response, Data Storage Technologies, Data Analysis Software, Information Management, Data Management, Data Integration, Data Import/Export, Software Installation
★ 4.6 (331) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Scanning, Vulnerability Assessments, Penetration Testing, Security Testing, Network Security, Threat Detection, Network Monitoring, Network Analysis, Operating Systems
★ 4.5 (82) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Database Administration, Programming Principles, Computer Programming, Artificial Intelligence, Cloud Services, Network Security
★ 4.8 (150) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Cybersecurity, Network Security, Internet Of Things, Cyber Security Strategy, Infrastructure Security, Cyber Attacks, Communication Systems, Wireless Networks, Network Protocols, Network Architecture, Network Infrastructure, Hardware Architecture, Data Security, Digital Communications, Distributed Computing, Networking Hardware, Information Privacy, Automation
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Software Documentation, LLM Application, Collaborative Software, Software Testing, Technical Documentation, Large Language Modeling, AI Integrations, Dependency Analysis, Security Testing, AI literacy, Package and Software Management, Debugging, Software Engineering
★ 4.6 (184) · Beginner · 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: Enterprise Risk Management (ERM), IT Management, Business Continuity, Data Security, Business Continuity Planning, Disaster Recovery, Audit Planning, Information Technology, Risk Management, Data Validation, Data Management, Compliance Management, Risk Mitigation, Data Governance, Technology Strategies, Information Assurance, Security Controls, Law, Regulation, and Compliance, Project Risk Management, Auditing
★ 4.2 (26) · Intermediate · Specialization · 1 - 3 Months

Nanjing University
Skills you'll gain: Data Mining, Data Analysis, Case Studies, Statistical Analysis, Financial Data, Data Structures, Financial Analysis, Data Presentation, Data Processing, User Interface (UI), Object Oriented Programming (OOP), Data Capture, Pandas (Python Package), NumPy, Python Programming, Data Wrangling, Web Scraping, Data Manipulation
★ 4.7 (1.6K) · Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Memory Management, C (Programming Language), C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, C and C++, Programming Principles, Data Structures, Secure Coding, Algorithms, Software Design, Application Security, Other Programming Languages, System Programming, Python Programming, Computer Architecture, Computer Programming, Java, Performance Tuning, Unix
★ 4.5 (252) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Linux Commands, Metasploit, Open Web Application Security Project (OWASP), Linux, Penetration Testing, Exploit development, Vulnerability Scanning, Command-Line Interface, Exploitation techniques, Security Testing, Linux Administration, Scripting, Vulnerability Assessments, Hardening, Brute-force attacks, General Networking, Scripting Languages, Shell Script, Cybersecurity, Network Security
★ 4.3 (50) · Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Database Design, Software Design, Application Security, User Experience Design, Vulnerability Assessments, Database Theory, Unified Modeling Language, Unit Testing, Usability, UI/UX Research, Threat Modeling, User Interface and User Experience (UI/UX) Design, Usability Testing, Vulnerability Management, Data Flow Diagrams (DFDs), Relational Databases, Software Visualization, Security Software, Systems Development Life Cycle, Software Development Life Cycle
★ 4.6 (438) · Beginner · Specialization · 3 - 6 Months