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: Cyber Security Assessment, Security Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Security Strategy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computer Security Incident Management, Cyber Security Strategy, MITRE ATT&CK Framework, Data Integrity
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Malware Protection, Network Security, Information Systems Security, Security Controls, Cybersecurity, Data Security, Mobile Security, Infrastructure Security, Security Awareness, Computer Security Awareness Training, Wireless Networks, Endpoint Security, Data Loss Prevention, Firewall, Authentications, Human Factors (Security), Cryptographic Protocols, Multi-Factor Authentication, Encryption, Active Directory
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: File Systems, Linux Administration, Linux, Linux Servers, Linux Commands, Computer Hardware, Data Storage, Operating System Administration, Hardware Architecture, File Management, Operating Systems, Systems Administration, System Configuration, Data Storage Technologies, System Implementation, Command-Line Interface, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Ubuntu, Linux, Bash (Scripting Language), Linux Commands, Linux Administration, Command-Line Interface, Operating System Administration, Unix Shell, File Management, Shell Script, grep, Software Installation
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Linux Administration, Operating System Administration, Systems Administration, System Monitoring, Linux, Performance Tuning, File Management, Linux Commands, System Configuration, Desktop Support, Network Monitoring, Data Storage Technologies, Network Troubleshooting, Remote Access Systems, Event Monitoring, User Interface (UI), Data Management, User Accounts, File Systems, OS Process Management
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Linux Servers, Operating System Administration, Red Hat Enterprise Linux, Ubuntu, OS Process Management, Systems Administration, Remote Access Systems, System Configuration, Network Monitoring, Network Administration, General Networking, Software Installation, Performance Tuning, Service Management, Network Protocols
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Git (Version Control System), Containerization, Bash (Scripting Language), Version Control, Linux Administration, Linux Servers, Linux, Linux Commands, Docker (Software), Shell Script, Ansible, Kubernetes, Configuration Management, Application Deployment, Servers, Systems Administration, Software Configuration Management, Command-Line Interface, Public Key Infrastructure
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Cybersecurity, Network Security, Cryptographic Protocols, Cyber Attacks, Encryption, IT Security Architecture, Identity and Access Management, Threat Management, Threat Detection, Firewall, Key Management, Security Management, Infrastructure Security, Security Controls, Network Planning And Design, Authorization (Computing), Public Key Infrastructure, Authentications, Risk Management Framework
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Encryption, Risk Management Framework, Multi-Factor Authentication, Cyber Attacks, Cybersecurity, Identity and Access Management, Authentications, Security Controls, Threat Management, Data Security, Information Privacy, Cyber Risk, Authorization (Computing)
Intermediate · Course · 1 - 3 Months