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 Boulder
Skills you'll gain: User Interface (UI), Embedded Software, Embedded Systems, Prototyping, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Usability, Interaction Design, Real-Time Operating Systems, Hypertext Markup Language (HTML), Internet Of Things, jQuery, Telecommunications, Artificial Intelligence and Machine Learning (AI/ML)
★ 3.7 (7) · Intermediate · Course · 1 - 4 Weeks

Technical University of Munich (TUM)
Skills you'll gain: Cyber Governance, Cyber Security Policies, Safety Standards, Cybersecurity, Accident Prevention, Safety and Security, Medical Science and Research, Threat Management, Physical Science, Environmental Monitoring, Environmental Issue, Radiation Protection, Waste Minimization, Continuous Monitoring, General Medicine, Spatial Analysis, Risk Analysis, Physics, Mathematical Modeling
★ 4.6 (25) · Intermediate · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Email Marketing, Prompt Engineering Tools, Email Automation, Microsoft Copilot, Marketing Automation, Data Ethics, Generative AI, Search Engine Optimization, Content Marketing, Google Gemini, Prompt Patterns, Multimodal Prompts, ChatGPT, Search Engine Marketing, Digital Marketing, Deepseek, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Sales
★ 4.6 (26) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Security Testing, Application Security, Test Tools, Web Servers, Content Management Systems, Application Programming Interface (API), Databases
★ 4.2 (10) · Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Big Data, Apache Spark, Data Store, Data Storage Technologies, Apache Hadoop, Apache Mahout, Distributed Computing, Data Storage, Data Processing, NoSQL, Apache Kafka, Cloud Computing, Real Time Data, Databases, Analytics, Deep Learning, Applied Machine Learning, Machine Learning Methods, Statistical Machine Learning, Machine Learning
★ 4.3 (343) · Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Exploitation techniques, Application Security, Vulnerability Assessments, Extensible Markup Language (XML), Threat Detection
★ 4.8 (23) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Public Key Infrastructure, Encryption, Cryptography, Cybersecurity, Data Security, Cryptographic Protocols, Advanced Encryption Standard (AES), Key Management, Data Encryption Standard, Blockchain, Algorithms, Authentications, Data Integrity
★ 4.9 (50) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, AI Security, Data Management, Data Loss Prevention, Security Awareness
★ 4.6 (23) · Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Virtualization, Cloud-Native Computing, Network Security, Cloud Computing, Amazon Web Services, Infrastructure as Code (IaC), Cloud Computing Architecture, Virtualization and Virtual Machines, Virtual Machines, Network Troubleshooting, Cloud Platforms, Cloud Storage, Cloud Technologies, Virtual Networking, Software-Defined Networking, Network Engineering, Network Monitoring, Data Centers, Virtual Local Area Network (VLAN), Cloud Security
★ 4.6 (31) · Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Dashboard Creation, Problem Management, Data Import/Export, Data Access
★ 4.7 (224) · Beginner · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Fraud detection, Threat Detection, Malware Protection, Cyber Security Assessment, AI Security, Network Security, Machine Learning, Machine Learning Algorithms, Security Management, Data Preprocessing, Unsupervised Learning, Feature Engineering, Deep Learning, Classification Algorithms, Analytical Skills
★ 5 (7) · Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: NIST 800-53, Security Controls, Security Requirements Analysis, Continuous Monitoring, Cyber Security Policies, Information Assurance, Information Systems Security, Cyber Security Assessment, Personally Identifiable Information, Data Security, Multi-Factor Authentication, Computer Security Awareness Training, Document Management, System Monitoring, Identity and Access Management, Authentications, Cryptography, Encryption
★ 4.6 (55) · Mixed · Course · 1 - 3 Months