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.

Palo Alto Networks
Skills you'll gain: Zero Trust Network Access, Network Security, Endpoint Security, Network Administration, General Networking, TCP/IP, Cybersecurity, Network Infrastructure, Firewall, Virtual Private Networks (VPN), Network Protocols, Dynamic Host Configuration Protocol (DHCP), Encryption, Authentications, Network Analysis, Software As A Service
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Intrusion Detection and Prevention, Continuous Monitoring, Threat Management, Firewall, Incident Response, Network Security, Threat Detection, Network Monitoring, Information Systems Security, Infrastructure Security, Cybersecurity
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Exploitation techniques, Penetration Testing, Secure Coding, Web Development, Web Applications, Full-Stack Web Development, Vulnerability Assessments, Application Security, Angular, Ajax, Javascript
Intermediate · Course · 1 - 3 Months

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

University of Colorado System
Skills you'll gain: Infrastructure Security, Cyber Risk, Cyber Security Policies, Cyber Security Assessment, Cybersecurity, Cyber Security Strategy, Risk Management Framework, Technology Roadmaps, Network Infrastructure, Transportation Operations, Infrastructure Architecture
Beginner · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Authentications, Public Key Infrastructure, Cryptography, Data Encryption Standard, Computer Security, Cybersecurity, Network Security, Security Controls, Encryption, Multi-Factor Authentication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Malware Protection, Cyber Attacks, Cybersecurity, Network Security, Cyber Security Policies, Brute-force attacks, Distributed Denial-Of-Service (DDoS) Attacks, Security Controls, Security Awareness, Firewall, Multi-Factor Authentication, Encryption
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Endpoint Security, Network Security, Cyber Attacks, Encryption, Information Systems Security, Application Security, Cyber Security Policies, Penetration Testing, Data Security, Computer Security Awareness Training, Firewall, Cryptography, Security Controls, Threat Modeling, Intrusion Detection and Prevention, Security Awareness, Mobile Security, Malware Protection, Authentications
Beginner · 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, Vulnerability Assessments, Data Security, Exploitation techniques, Security Controls, Authentications, Vulnerability Management, Personally Identifiable Information
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Cyber Security Assessment, Exploitation techniques, Vulnerability Assessments, Intrusion Detection and Prevention, Brute-force attacks, Application Security, Network Security, Virtual Local Area Network (VLAN), Cloud Security, API Testing, Wireless Networks
Advanced · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Cybersecurity, Open Web Application Security Project (OWASP), Application Security, Cyber Attacks, Threat Modeling, Risk Management Framework, Secure Coding, Vulnerability Assessments, SQL
Intermediate · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Cybersecurity, Cyber Security Policies, Computer Security Awareness Training, Cyber Attacks, Cyber Threat Intelligence, Personally Identifiable Information, Information Privacy, Data Ethics, Authentications, General Data Protection Regulation (GDPR), Human Factors (Security), NIST 800-53, Identity and Access Management
Beginner · Course · 1 - 3 Months