CompTIA Security+ courses can help you learn network security, risk management, cryptography, and compliance. You can build skills in threat analysis, incident response, and security architecture. Many courses introduce tools like firewalls, intrusion detection systems, and security information and event management (SIEM) software, demonstrating how these tools are used to protect systems and data from cyber threats.

LearnQuest
Skills you'll gain: Help Desk Support, System Configuration, Computer Hardware, Networking Hardware, Hardware Troubleshooting, Technical Support, Peripheral Devices, Desktop Support, Computer Networking, General Networking, Operating Systems, Wireless Networks
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Security Incident Management, Security Management, Data Security, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Exploitation techniques, Cyber Security Assessment, Vulnerability Assessments, Mobile Security, Open Web Application Security Project (OWASP), Cloud Security, Threat Modeling, Infrastructure Security, Application Security, Network Security, Scripting, Technical Communication
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Vulnerability Assessments, Incident Response, Cybersecurity, Threat Modeling, Cyber Threat Hunting, Threat Detection, Application Security, Security Management, Intrusion Detection and Prevention, Security Controls, Malware Protection, Network Analysis
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Network Troubleshooting, Hardware Troubleshooting, Cloud Computing, Cloud Infrastructure, Virtualization, Computer Hardware, Network Protocols, Virtual Machines, General Networking, Network Administration, Network Security, Cloud Storage, Desktop Support, Hardware Architecture, TCP/IP, Peripheral Devices, Wireless Networks, Mobile Security, USB, Networking Hardware
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Virtual Machines, Dynamic Host Configuration Protocol (DHCP), Cloud Computing, Firewall, Mobile Security, USB, Computer Networking, Network Routers, Network Infrastructure, Network Switches, Cloud Security, Network Protocols, System Configuration, System Support
Intermediate · Specialization · 3 - 6 Months

Pearson
Skills you'll gain: Git (Version Control System), Package and Software Management, Linux Administration, Containerization, Bash (Scripting Language), Version Control, File Systems, Ubuntu, Linux Servers, Linux, Docker (Software), Operating System Administration, Linux Commands, User Accounts, Command-Line Interface, Shell Script, Ansible, Firewall, Systems Administration, Microsoft Windows
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Operating System Administration, Remote Access Systems, Local Area Networks, Software Installation, Command-Line Interface, Microsoft Windows, System Configuration, Threat Detection, System Support, Information Technology Operations, Wireless Networks, Network Security, Desktop Support, Information Systems Security, Peripheral Devices, USB, Operating Systems, Computer Hardware, Data Storage Technologies, Hardware Troubleshooting
Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Package and Software Management, Linux Administration, Shell Script, Ubuntu, User Accounts, Linux, Unix Shell, Linux Servers, Linux Commands, Unix, Red Hat Enterprise Linux, Bash (Scripting Language), Kubernetes, Command-Line Interface, Network Troubleshooting, Containerization, Ansible, File Systems, Application Deployment, Authentications
Intermediate · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Cloud Computing Architecture, Cloud Infrastructure, Cloud Deployment, Cloud Security, Cloud Computing, Incident Response, Cloud Management, Cloud Services, Disaster Recovery, Capacity Management, Virtual Networking, IT Automation, Network Troubleshooting, Virtual Machines, Virtualization, Application Deployment, Application Security, System Monitoring, Security Controls, Capacity Planning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Network Security, Remote Access Systems, Disaster Recovery, OSI Models, General Networking, Network Administration, Network Troubleshooting, Computer Networking, Network Architecture, Network Infrastructure, Networking Hardware, Network Monitoring, TCP/IP, Virtual Private Networks (VPN), Network Protocols, Cybersecurity, Computer Security, Data Centers, Virtualization, Authentications
Intermediate · Specialization · 1 - 3 Months