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.

Universidad Nacional Autónoma de México
Skills you'll gain: Chemistry, Diplomacy, General Science and Research, International Relations, Biochemistry, Environmental Regulations, Ethical Standards And Conduct, Public Safety and National Security, Governance, Ancient History, Verification And Validation
★ 4.9 (247) · Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Cloud-Native Computing, Memory Management, Grafana, Web Applications, Program Development, Software Architecture, Development Environment, Programming Principles, Computer Programming, Other Programming Languages, Network Security, Communication Systems, Data Sharing
★ 2.9 (46) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Blockchain, Secure Coding, Penetration Testing, Front-End Web Development, Application Development, Security Testing, Web Development Tools, Application Security, Event Monitoring, Development Environment, Exploit development, Frontend Integration, Web Development, Software Development Tools, Cyber Security Assessment, Payment Systems, Transaction Processing, Authorization (Computing), Token Optimization, Role-Based Access Control (RBAC)
★ 4.9 (143) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Intrusion Detection and Prevention, Model Evaluation, Incident Response, Threat Detection, Computer Security Incident Management, Cyber Threat Intelligence, Distributed Denial-Of-Service (DDoS) Attacks, Event Monitoring, Cybersecurity, Incident Management, Cyber Security Strategy, Threat Management, Model Training, Anomaly Detection, Continuous Monitoring, Cyber Security Policies, Security Management, System Monitoring, Network Analysis, Data Analysis
★ 4.8 (9) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cybersecurity, General Networking, Cyber Threat Intelligence, Cyber Attacks, Endpoint Security, Infrastructure Security, Network Routing, Threat Detection, Computer Security, Network Administration, Firewall, Endpoint Detection and Response, Wireless Networks, Information Technology Infrastructure Library, IT Service Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Public Safety and National Security, International Relations, Social Studies, Culture, Diplomacy, Public Policies, Political Sciences, Policy Analysis, Intelligence Collection and Analysis, Diversity Awareness, Intercultural Competence, Policy Development, World History
★ 4.7 (136) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Building Codes, Construction, Safety Standards, Building Design, Facility Management and Maintenance, Hazard Analysis, Safety and Security, Firewall, Design Specifications, Systems Integration
★ 4.6 (80) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Arithmetic, Algorithms, Applied Mathematics, Probability, Computer Science
★ 4.6 (335) · Beginner · Course · 1 - 4 Weeks
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Public Key Infrastructure, Key Management, Transaction Processing, Authentications, Data Security, Information Privacy, Data Integrity
★ 4.5 (53) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Load Balancing, Cloud Infrastructure, Virtual Private Networks (VPN), Cloud Computing, Terraform, Network Security, Infrastructure as Code (IaC), Virtual Machines, Cloud Deployment, General Networking, Virtual Networking, Managed Services, Network Routing, Scalability
★ 4.9 (167) · Intermediate · Course · 1 - 3 Months

Fortinet, Inc.
Skills you'll gain: Firewall, Network Administration, Network Troubleshooting, Network Infrastructure, Identity and Access Management, System Configuration, Configuration Management, Network Security, Security Management, Systems Integration, Scripting
★ 4.4 (28) · Intermediate · Course · 1 - 3 Months

INSEAD
Skills you'll gain: Agentic systems, Blockchain, Emerging Technologies, AI Security, Generative AI Agents, AI Personalization, Healthcare 5.0, Responsible AI, AI Integrations, Generative AI, Data Ethics, Digital Assets, Environmental Social And Corporate Governance (ESG)
★ 4.8 (32) · Mixed · Course · 1 - 4 Weeks