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.

Skills you'll gain: Networking Hardware, Network Monitoring, OSI Models, Routing Protocols, Software-Defined Networking, Network Troubleshooting, Network Architecture, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, General Networking, Network Security, TCP/IP, Network Routing, Computer Networking, Open Shortest Path First (OSPF), Cloud Technologies, Network Infrastructure, Hardening, Network Performance Management, Authentications
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Troubleshooting, OSI Models, Network Switches, Data Centers, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Administration, General Networking, Network Routing, Virtualization and Virtual Machines, Computer Networking, Virtual Machines, Network Monitoring, Network Model, Network Support, Networking Hardware
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Security Testing, Hardening, Brute-force attacks, IT Automation, Scripting Languages, Business Logic, Cloud Security, Network Analysis, Programming Principles, API Testing, General Data Protection Regulation (GDPR), Cloud Computing, Wireless Networks, Data Persistence, Application Programming Interface (API), Data Security
Intermediate · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Incident Response, Threat Modeling, Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Threat Detection, Risk Management, Cybersecurity, Computer Security Incident Management, Secure Coding, Cyber Security Assessment, Incident Management, Security Testing, MITRE ATT&CK Framework, Systems Development Life Cycle, Cyber Governance, Intrusion Detection and Prevention, Cyber Threat Intelligence, Cyber Attacks, Network Infrastructure
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Database Software, Hardware Troubleshooting, Networking Hardware, Database Theory, Database Management Systems, Computer Networking, Network Support, Network Protocols, Computer Security Awareness Training, Security Software, Technical Support and Services, Cybersecurity, Encryption, Computer Literacy, Browser Compatibility, Program Development, Computing Platforms, Computer Programming, System Software, Database Management
Beginner · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Threat Management, Vulnerability Assessments, Incident Response, Incident Management, Computer Security Incident Management, Public Key Infrastructure, IT Security Architecture, Disaster Recovery, Vulnerability Management, Law, Regulation, and Compliance, Threat Detection, Cyber Security Assessment, Risk Management, Risk Management Framework, Compliance Management, Network Security, Infrastructure Security, Cloud Security, Hardening, Enterprise Application Management
Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Network Infrastructure, Data Storage, Command-Line Interface, Peripheral Devices, Software Installation, Security Controls, Active Directory, Technical Support and Services, System Configuration
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: IT Security Architecture, Computer Networking, Operating System Administration, Package and Software Management, Network Troubleshooting, Version Control, IT Automation, Systems Administration, IT Infrastructure, Network Administration, Information Systems Security, TCP/IP, Git (Version Control System), Chef (Configuration Management Tool), Network Security, General Networking, Ruby (Programming Language), Desktop Support, Web Presence, Interviewing Skills
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Infosec
Skills you'll gain: Linux Administration, Version Control, Linux, Git (Version Control System), Linux Servers, Linux Commands, Network Troubleshooting, Unix, Operating System Administration, Bash (Scripting Language), Systems Administration, Scripting, User Provisioning, Shell Script, User Accounts, Software Versioning, System Configuration, Unix Shell, Network Monitoring, Scripting Languages
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: OSI Models, Network Troubleshooting, Network Administration, General Networking, Network Architecture, Network Infrastructure, Network Monitoring, Network Security, TCP/IP, Virtual Networking, Local Area Networks, Routing Protocols, Network Routing, Virtual Local Area Network (VLAN), Wireless Networks, Networking Hardware, Disaster Recovery, Network Performance Management, Network Protocols, Event Monitoring
Mixed · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Incident Response, IT Security Architecture, DevSecOps, Vulnerability Scanning, Vulnerability Assessments, Cloud Security, Threat Management, Security Management, Computer Security Incident Management, Endpoint Security, Mobile Security, Security Strategy, Cloud Computing Architecture, Cyber Threat Intelligence, Cryptographic Protocols, Cybersecurity, Cyber Security Policies, Cyber Security Strategy, Cryptography, Risk Management
Intermediate · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Stakeholder Engagement, Project Schedules, Stakeholder Management, Information Technology, Project Risk Management, Environmental Social And Corporate Governance (ESG), IT Management, Scheduling, Vendor Management, Procurement, Purchasing, Vendor Relationship Management, Project Management, Stakeholder Communications, Project Coordination, Issue Tracking, Risk Management, Project Planning, Quality Management, Performance Management
Beginner · Course · 1 - 4 Weeks