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.

Fractal Analytics
Skills you'll gain: Model Context Protocol, AI Security, AI Integrations, Tool Calling, IT Security Architecture, Generative AI Agents, Security Engineering, Context Management, Interoperability, Agentic systems, Enterprise Security, Authorization (Computing), Generative AI
★ 4.5 (59) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Apache Kafka, Apache, Analytics, Data Governance, Scalability, File Systems, Live Streaming, Systems Architecture, Data Store, Event Monitoring, Event-Driven Programming, Data Persistence, File I/O, Data Transformation, Data Storage Technologies, Identity and Access Management, Development Environment, Command-Line Interface, Data Maintenance, Data Storage
★ 3.9 (52) · Beginner · Specialization · 3 - 6 Months

O.P. Jindal Global University
Skills you'll gain: International Relations, Public Policies, Social Studies, Economics, Policy, and Social Studies, Political Sciences, Financial Policy, International Finance, Diplomacy, Economics, World History, Economic Development, European History, Policy Development, Policy Analysis, Public Affairs, Technology Strategies, Public Safety and National Security, Lobbying, Governance, Security Strategy
★ 4.4 (29) · Beginner · Specialization · 3 - 6 Months

28DIGITAL
Skills you'll gain: Technical Standard, General Data Protection Regulation (GDPR), Personally Identifiable Information, Information Privacy, Case Law, Medical Privacy, Court Systems, Telecommunications, Legal Writing, Law, Regulation, and Compliance, Legal Research, Ethical Standards And Conduct, Data Ethics, European History, International Relations, Cultural Sensitivity, Interoperability, Data Security, Regulation and Legal Compliance, Ancient History
★ 4.4 (385) · Intermediate · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Incident Response, Computer Security Incident Management, Threat Management, Incident Management, Cybersecurity, Threat Detection, Digital Forensics, Business Continuity
★ 4.6 (77) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Commands, Metasploit, Open Web Application Security Project (OWASP), Linux, Penetration Testing, Exploit development, Vulnerability Scanning, Command-Line Interface, Exploitation techniques, Security Testing, Linux Administration, Scripting, Vulnerability Assessments, Hardening, Brute-force attacks, General Networking, Scripting Languages, Shell Script, Cybersecurity, Network Security
★ 4.3 (50) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Security, Cybersecurity, Cyber Attacks, Data Ethics, Computer Security, Authentications, Cryptography, Information Assurance, Cyber Security Policies, Authorization (Computing), Security Software, Security Controls, Cyber Security Assessment, Information Privacy, Encryption, Data Access, Security Awareness, Risk Analysis, Problem Solving, Communication
★ 3.5 (31) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Threat Intelligence, MITRE ATT&CK Framework, Hardening, Cyber Threat Hunting, Operating System Administration, Exploitation techniques, Linux Commands, Intrusion Detection and Prevention, Cyber Operations, Linux, Cybersecurity, Cyber Security Strategy, Threat Detection, Network Security, Network Monitoring, Operating Systems, Cyber Attacks, Cyber Engineering, Network Administration, Security Awareness
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cyber Security Assessment, Responsible AI, Cybersecurity, AI Integrations, Threat Detection, Incident Response, AI Security, AI literacy, Generative AI, Data Ethics, Security Testing, Risking
★ 4.9 (28) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Virtual Private Networks (VPN), Linux Administration, Public Key Infrastructure, Linux, Linux Servers, Intrusion Detection and Prevention, Firewall, Remote Access Systems, Operating System Administration, Linux Commands, Authentications, Authorization (Computing), Network Security, Hardening, Security Controls, Infrastructure Security, Identity and Access Management, System Monitoring, Cybersecurity, Information Technology
★ 4.5 (112) · Beginner · Course · 1 - 4 Weeks
Microsoft
Skills you'll gain: Fine-tuning, Generative AI, Model Optimization, Large Language Modeling, Data Ethics, LLM Application, Responsible AI, Feature Engineering, AI Security, Advertising, Marketing, Anomaly Detection, Data Synthesis, Information Privacy
★ 4.5 (29) · Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Operating Systems, Operating System Administration, Memory Management, OS Process Management, System Software, System Programming, Command-Line Interface, Linux Administration, File Systems, System Monitoring, Performance Tuning, Package and Software Management, Systems Architecture, File Management, Algorithms, Cloud Platforms, User Accounts, Security Controls, Data Sharing
★ 4.9 (16) · Intermediate · Course · 1 - 3 Months