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.

Macquarie University
Skills you'll gain: Cyber Security Strategy, Security Strategy, Cybersecurity, Risk Modeling, Risk Analysis, Cyber Risk, Cyber Security Policies, Cyber Threat Intelligence, Cyber Security Assessment, Governance Risk Management and Compliance, Security Management, Crisis Management, Threat Management, Strategic Leadership, Risk Management, Risk Mitigation, Business Risk Management
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Incident Response, Cyber Threat Hunting, Computer Security Incident Management, Incident Management, Intrusion Detection and Prevention, Cyber Threat Intelligence, Continuous Monitoring, Threat Detection, Cyber Security Strategy, Security Strategy, Cloud Security, Disaster Recovery, Threat Management, Firewall, Network Security, Cybersecurity, Cloud Services, AI Security, Network Monitoring, Cloud Management
Advanced · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Data Security, Personally Identifiable Information, Information Assurance, Data Governance, Data Loss Prevention, Data Management, Data Integrity, Threat Management, Data Storage, Security Controls, Threat Detection, Encryption, Identity and Access Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Network Security, Cryptographic Protocols, OSI Models, Public Key Infrastructure, Cybersecurity, Key Management, Network Protocols, Encryption, Remote Access Systems, Firewall, Brute-force attacks, Emerging Technologies, TCP/IP, Wireless Networks, Local Area Networks, Authentications, Quantum computing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Business Continuity Planning, Cyber Attacks, Cybersecurity, Threat Management, Cyber Threat Intelligence, Business Continuity, Endpoint Security, Disaster Recovery, Cyber Security Policies, Cyber Governance, Vulnerability Assessments, Law, Regulation, and Compliance, Vulnerability Management, Network Security, Continuous Monitoring, Security Controls, Cloud Security, Risk Management
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Cybersecurity, Cyber Attacks, Network Security, Information Systems Security, Business Continuity Planning, Cryptography, Security Architecture Review, Disaster Recovery, Business Continuity, Cyber Security Policies, Cryptographic Protocols, IT Security Architecture, Telecommunications, Network Administration, Law, Regulation, and Compliance, NIST 800-53, Infrastructure Security, Security Controls, Data Security, Governance Risk Management and Compliance
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Computer Security Incident Management, Exploitation techniques
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Virtual Private Networks (VPN), Authentications, Firewall, Authorization (Computing), Computer Security, Remote Access Systems, Cybersecurity, General Networking, Network Monitoring, Identity and Access Management, Security Controls, IT Automation, Software-Defined Networking, Wireless Networks, Dynamic Host Configuration Protocol (DHCP), Virtual Local Area Network (VLAN), Network Routers, Network Routing, Encryption
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Security Controls, Cybersecurity, Encryption, Cyber Attacks, Information Systems Security, Cryptographic Protocols, Threat Management, Vulnerability Assessments, Vulnerability, Cyber Security Assessment, Vulnerability Scanning, Threat Detection, Cloud Security, Key Management, Asset Protection, Security Awareness, Gap Analysis
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Exploitation techniques, Border Gateway Protocol, Malware Protection, Cybersecurity, Routing Protocols, Internet Of Things, Network Security, Cyber Attacks, Threat Detection, Network Monitoring, Network Routing, Network Analysis, Cyber Risk, Network Protocols, Vulnerability Assessments, Docker (Software), Containerization
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Threat Modeling, Secure Coding, Cryptography, Open Web Application Security Project (OWASP), Encryption, Application Security, Penetration Testing, Data Security, Exploitation techniques, Security Controls, Authentications, Vulnerability Management, Advanced Encryption Standard (AES), Personally Identifiable Information, Data Flow Diagrams (DFDs)
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Email Security, Mobile Security, Network Security, Open Web Application Security Project (OWASP), Network Monitoring, Intrusion Detection and Prevention, Threat Detection, TCP/IP, Network Analysis, Network Protocols, Cybersecurity, Application Security, Wireless Networks, Splunk, Information Privacy
Intermediate · Course · 1 - 3 Months