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.

LearnKartS
Skills you'll gain: Salesforce, Salesforce Development, User Provisioning, Identity and Access Management, Enterprise Application Management, Application Deployment, Security Management, Security Controls, Data Management, Customer Relationship Management (CRM) Software, Workflow Management, Internal Communications, Training and Development, Customer Service
★ 3.6 (14) · Intermediate · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Cybersecurity, Cyber Attacks, Computer Security Awareness Training, Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Security Awareness, Data Security, Personally Identifiable Information, Cyber Risk, Malware Protection, Cryptography, General Data Protection Regulation (GDPR), Exploitation techniques, Information Privacy, Human Factors (Security), Multi-Factor Authentication, Authentications
★ 4.8 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Centers, Ansible, Open Shortest Path First (OSPF), Routing Protocols, Network Switches, Computing Platforms, Software-Defined Data Center (SDDC), Virtual Networking, Virtual Local Area Network (VLAN), IT Automation, Security Controls, Network Infrastructure, Devops Tools, Network Engineering, Border Gateway Protocol, Network Routers, Network Routing, Infrastructure Security, Network Monitoring, Data Storage Technologies
Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Internet Of Things, Security Controls, Wireless Networks, Automation, Digital Transformation, Infrastructure Architecture, System Monitoring, Real Time Data, Data Security, Telecommunications, Communication Systems, Network Protocols, Continuous Monitoring
★ 4.4 (8) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Requirements Analysis, Risk Management Framework, Risking, Scalability, Software Visualization
★ 4.6 (113) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Security, USB, Threat Modeling, Hardware Design, Electronic Hardware, Model Deployment, CI/CD, Electronics, Security Engineering, Electronic Systems, Electronics Engineering, Routing Protocols, Electrical Power, Electrical Engineering, Computer-Aided Design, Electronic Components, Schematic Diagrams, Drafting and Engineering Design, Technical Design, Design Software
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Django (Web Framework), GitHub, Version Control, Git (Version Control System), User Experience Design, Secure Coding, User Interface (UI), Web Development, Application Security, Development Environment, Authentications, Web Applications, Integrated Development Environments, User Accounts, Authorization (Computing)
★ 4.7 (13) · Intermediate · Guided Project · Less Than 2 Hours

Università di Napoli Federico II
Skills you'll gain: Political Sciences, International Relations, World History, Diplomacy, Social Sciences, Public Safety and National Security, European History, Environmental Issue, Socioeconomics, Conflict Management, Climate Change Programs, Governance, Crisis Intervention, Economic Development, Trend Analysis, Security Strategy
★ 4.8 (10) · Beginner · Course · 1 - 3 Months
University of Rochester
Skills you'll gain: Market Dynamics, Supply And Demand, Economics, Policy, and Social Studies, Economics, Business Economics, Policty Analysis, Research, and Development, Social Sciences, Public Policies, Market Analysis, Competitive Analysis, Consumer Behaviour, Human Capital
★ 4.9 (42) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software Documentation, Java, API Design, Java Programming, Back-End Web Development, Application Programming Interface (API), Frontend Integration, Enterprise Application Management, Application Deployment, Databases, Data Persistence
★ 3.8 (13) · Beginner · Course · 1 - 4 Weeks
Amazon Web Services
Skills you'll gain: Generative AI, Generative AI Agents, Amazon Bedrock, Agentic systems, AI Product Strategy, Responsible AI, Agentic Workflows, AI Integrations, LLM Application, Data Ethics, Application Programming Interface (API), Application Development, Amazon Web Services, AI Security, Data Governance, Commercialization, Cost Management, Personally Identifiable Information, Information Privacy, Model Training
★ 4.6 (32) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Planning And Design, Microsoft Azure, Network Troubleshooting, Network Security, Network Architecture, Network Monitoring, Load Balancing, Virtual Networking, Network Engineering, Network Performance Management, Network Administration, Network Infrastructure, Cloud Engineering, IT Security Architecture, Scalability, Firewall, Virtual Private Networks (VPN), Performance Tuning, Cloud Deployment, Wide Area Networks
★ 4.8 (129) · Beginner · Specialization · 3 - 6 Months