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: Network Security, Computer Systems, Encryption, Cyber Security Strategy, Cybersecurity, Threat Detection, Security Controls, General Networking, Cloud Computing, Microsoft Azure, Cryptography, Operating Systems, Firewall, Network Monitoring, Virtualization, Authorization (Computing), Active Directory, Business Software, General Data Protection Regulation (GDPR), Authentications
Intermediate · Specialization · 3 - 6 Months

Pragmatic AI Labs
Skills you'll gain: AI Security, Claude Code, Responsible AI, Prompt Engineering, DevSecOps, Secure Coding, Prompt Engineering Tools, Information Privacy, Application Security, Vulnerability Scanning, Code Review, CI/CD, AI literacy, Vulnerability Assessments, AI Orchestration, Gemini, Security Awareness, GitHub, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Embedded Software, Security Controls, Wireless Networks, Network Protocols, Infrastructure Security, Local Area Networks, Emerging Technologies, Data Science, Embedded Systems, Network Infrastructure, General Networking, Network Planning And Design, Amazon Web Services, Communication Systems, Health Technology, Cloud Platforms, Digital Communications, Computing Platforms, Computer Hardware
★ 4.7 (529) · Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Application Security, DevSecOps, Secure Coding, Security Testing, Software Development Life Cycle, Threat Modeling, Continuous Monitoring, Security Requirements Analysis, Continuous Deployment, Security Controls, CI/CD, Program Development, Computer Security, System Monitoring, Security Awareness, Vulnerability Assessments, Product Lifecycle Management, Computer Programming
Intermediate · Course · 1 - 3 Months

Total Seminars
Skills you'll gain: Open Web Application Security Project (OWASP), User Accounts, Network Security, Incident Response, Security Controls, Command-Line Interface, Hardening, Cryptographic Protocols, Public Key Infrastructure, Endpoint Security, Cloud Security, Cybersecurity, Security Architecture Review, Identity and Access Management, Vulnerability Scanning, Cryptography, Vulnerability Assessments, Threat Management, Vulnerability Management, Threat Detection
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Digital Forensics, Penetration Testing, Network Security, Threat Management, Mobile Security, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Public Key Infrastructure, Vulnerability Assessments, Security Testing, Cryptography, Security Controls, Cryptographic Protocols, Cyber Security Assessment, Cybersecurity, Authorization (Computing), Cloud Computing, Malware Protection, Cyber Attacks, Data Integrity
★ 4.6 (808) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cybersecurity, Information Technology, Cyber Security Strategy, Technical Support and Services, Computer Security Awareness Training, Network Security, Data Security, Cyber Security Policies, Information Assurance
★ 4.7 (1.1K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Role-Based Access Control (RBAC), Microsoft 365, Microsoft Azure, Identity and Access Management, Single Sign-On (SSO), User Provisioning, Multi-Tenant Cloud Environments, Active Directory, Multi-Factor Authentication, Cloud Security, Zero Trust Network Access, Risk Management Framework, Event Monitoring, IT Security Architecture, Authentications, Security Engineering
Intermediate · Course · 3 - 6 Months
Google Cloud
Skills you'll gain: User Provisioning, Data Governance, Google Workspace, Data Loss Prevention, Gmail, User Accounts, Google Gemini, Information Management, Email Security, Data Management, Data Security, Document Management, Identity and Access Management, Mobile Security, Records Management, Cloud Management, Data Storage, Security Management, Cloud Security, Technical Support and Services
★ 4.7 (1.5K) · Beginner · Professional Certificate · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Intrusion Detection and Prevention, Threat Detection, Open Web Application Security Project (OWASP), Incident Response, Penetration Testing, Risk Analysis, Computer Security Incident Management, Metasploit, Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Data Security, Authentications, Security Testing, Cloud Security, Security Strategy, Threat Management, Endpoint Detection and Response, Incident Management, Risk Management, Cyber Attacks
★ 4.7 (1.9K) · Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: MITRE ATT&CK Framework, Incident Response, Cyber Threat Intelligence, Cyber Threat Hunting, Key Management, Data Security, Malware Protection, Network Security, Threat Modeling, Computer Security Incident Management, File Systems, Threat Detection, Endpoint Security, Cryptography, Linux, Operating System Administration, Vulnerability Assessments, Cybersecurity, Cyber Operations, Security Information and Event Management (SIEM)
★ 4.8 (1.2K) · Beginner · Specialization · 3 - 6 Months

Qualcomm Academy
Skills you'll gain: Wireless Networks, Telecommunications, Emerging Technologies, Communication Systems, Internet Of Things, Digital Communications, Data Security, Technology Strategies, Network Infrastructure, Virtualization
★ 4.8 (735) · Beginner · Course · 1 - 3 Months