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.

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Database Application, Web Servers, Web Applications, Cryptography, Data Encryption Standard, Authentications, Query Languages, Data Validation, Computer Programming
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, Application Security, C++ (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Object-Relational Mapping, Web Development, Context Management, Application Frameworks, Scripting, Middleware, Server Side, Data Storage, Session Initiation Protocols, Data Sharing, Data Persistence, Event-Driven Programming, Hypertext Markup Language (HTML)
Intermediate · Specialization · 1 - 3 Months

Illinois Tech
Skills you'll gain: Operating System Administration, Microsoft Windows, Operating Systems, System Configuration, Firewall, Linux, System Monitoring, System Support, Authorization (Computing), File Management, Network Security, Data Security
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Machines, Virtual Private Networks (VPN), Cloud Security, Public Cloud, Amazon Web Services, Scalability, Virtual Networking, Private Cloud, Amazon Elastic Compute Cloud, Cloud Computing, Cloud Infrastructure
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Cloud Platform, Gemini, Generative AI, AI Security, AI Product Strategy, Responsible AI, AI Enablement, Data Governance, Cloud Infrastructure, Artificial Intelligence, Business Analysis, Decision Making
Beginner · Course · 1 - 3 Months

Skills you'll gain: Technical Design, User Feedback, Technical Consulting, Solution Design, Solution Architecture, SAP Applications, Requirements Analysis, Agile Methodology, Business Requirements, Requirements Elicitation, Gap Analysis, Customer Engagement, Presentations, Communication
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, Amazon Web Services, Serverless Computing, Identity and Access Management, Disaster Recovery, Amazon CloudWatch, Amazon S3, Cloud Computing Architecture, Solution Architecture, Cloud-Native Computing, Amazon DynamoDB, Containerization, Cloud Engineering, Kubernetes, Hybrid Cloud Computing, Cloud Security, Cloud Solutions, Cloud Computing, API Gateway
Intermediate · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Performance Tuning, Data Architecture, User Accounts, Data Warehousing, SQL, Database Management, Data Modeling, Data Transformation, Data Import/Export, Data Integration, Role-Based Access Control (RBAC), Data Governance, JSON, Data Security
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Intellectual Property, Cyber Attacks, Data Security, Safety and Security, Cybersecurity, Security Software, Computer Security Awareness Training, Research, Information Systems Security, Content Creation, digital literacy, Media and Communications, Storytelling, Productivity, Digital Communications, Interpersonal Communications, Empathy & Emotional Intelligence, Personal Development, Self-Awareness, Telecommuting
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Application Security, Vulnerability Assessments, Software Design, Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Software Design Patterns, Software Architecture, Cryptography, Blockchain, Public Key Cryptography Standards (PKCS)
Intermediate · Course · 1 - 3 Months