CompTIA Security+ courses can help you learn network security, risk management, cryptography, and identity management. You can build skills in threat analysis, incident response, and implementing security controls to protect sensitive information. Many courses introduce tools like firewalls, intrusion detection systems, and vulnerability assessment software, showing how these tools are applied to safeguard networks and data against potential threats.

LearnQuest
Skills you'll gain: Network Troubleshooting, Help Desk Support, System Configuration, Computer Hardware, Networking Hardware, Hardware Troubleshooting, Technical Support and Services, Technical Support, Peripheral Devices, System Support, Desktop Support, General Networking
★ 3.4 (140) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: General Networking, IT Security Architecture, Network Architecture, TCP/IP, OSI Models, Threat Management, Cybersecurity, Networking Hardware, Information Technology, Network Security, Threat Detection, Network Routers, Infrastructure Security, Security Controls, Cyber Attacks, Network Switches, Diagram Design, Cyber Security Strategy, Firewall, Security Software
Beginner · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Cyber Attacks, Infrastructure Security, Mobile Security, Enterprise Security, Cyber Risk, Cyber Governance, Cyber Security Policies, Cybersecurity, IT Security Architecture, Cloud Security, NIST 800-53, Hybrid Cloud Computing, Security Awareness, Security Controls, Risk Management Framework, Blockchain, Internet Of Things, Cryptographic Protocols, Cryptography, Data Integrity
★ 4.7 (683) · Intermediate · Course · 1 - 4 Weeks

CertNexus
Skills you'll gain: Computer Security Awareness Training, Cybersecurity, Security Awareness, Mobile Security, Generative AI, Cyber Security Policies, Human Factors (Security), Computer Security, Email Security, Data Security, Safety and Security, Data Ethics, Cloud Security, Law, Regulation, and Compliance, Artificial Intelligence, Regulatory Compliance, Prompt Engineering, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Regulation and Legal Compliance, Ethical Standards And Conduct
Mixed · Course · 1 - 3 Months

Skills you'll gain: Computer Hardware, Cloud Deployment, Hardware Troubleshooting, Networking Hardware, Cloud Computing, Virtualization and Virtual Machines, Cloud Services, General Networking, Network Troubleshooting, TCP/IP, Virtualization, Network Protocols, Network Administration, Dynamic Host Configuration Protocol (DHCP), Peripheral Devices, Information Technology Operations, Technical Support, System Configuration, Wireless Networks, Data Storage
Beginner · Course · 1 - 3 Months

Skills you'll gain: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Security Information and Event Management (SIEM), Network Monitoring, Network Infrastructure, Cyber Attacks, Computer Security Incident Management, Operating Systems, Linux, Bash (Scripting Language), Databases
★ 4.8 (85) · Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Malware Protection, Network Security, Infrastructure Security, Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Network Infrastructure, Cybersecurity, Network Monitoring, Web Applications, Computer Security, Firewall, Authorization (Computing), Cyber Operations, Exploitation techniques, Security Controls, TCP/IP, Identity and Access Management, Network Protocols, Event Monitoring, Authentications
★ 4.8 (737) · Mixed · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Key Management, Data Security, Cryptography, Encryption, Cybersecurity, Network Security, Cryptographic Protocols, Security Information and Event Management (SIEM), Network Monitoring, Information Assurance, Network Analysis, Intrusion Detection and Prevention, Security Controls, Event Monitoring, Continuous Monitoring, Threat Detection, Data Integrity
★ 4.8 (64) · Mixed · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Security Testing, Cyber Threat Intelligence, Cyber Risk, AI Integrations, Cyber Attacks, Cyber Security Assessment, Cybersecurity, IT Security Architecture, Security Controls, Threat Modeling, Security Strategy, Data Ethics, Security Engineering, Threat Detection, Data Governance, Data Security, Security Management, Information Privacy, Emerging Technologies
★ 4.6 (25) · Beginner · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Cloud Security, Application Security, Network Security, Computer Security, Cloud Computing, Cybersecurity, Security Controls, Infrastructure Security, Remote Access Systems, Cyber Attacks, Public Key Infrastructure, Hardening, Cryptography, Vulnerability Management, Private Cloud, Cryptographic Protocols, Vulnerability Assessments, Virtualization, Virtual Machines, Authentications
★ 4.3 (108) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Wide Area Networks, Network Security, Network Routing, Data Centers, Virtual Networking, TCP/IP, Network Administration, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Machines, Virtual Local Area Network (VLAN), Virtualization, Virtual Private Networks (VPN), Wireless Networks, Network Monitoring, Network Troubleshooting, Network Architecture, Hardware Troubleshooting
★ 4.5 (6) · Beginner · Specialization · 3 - 6 Months

Erasmus University Rotterdam
Skills you'll gain: Security Management, Threat Management, Intelligence Collection and Analysis, International Relations, Public Safety and National Security, Safety and Security, Risk Management, Cybersecurity, Cyber Threat Intelligence, Threat Detection, Cultural Diversity, Economics, Policy, and Social Studies
★ 4.7 (1.3K) · Beginner · Course · 1 - 3 Months