Security certification courses can help you learn risk assessment, incident response, network security principles, and compliance standards. You can build skills in threat analysis, vulnerability management, and implementing security policies effectively. Many courses introduce tools such as firewalls, intrusion detection systems, and security information and event management (SIEM) software, showing how these tools are applied in real-world security scenarios to protect sensitive information and systems.

Skills you'll gain: Routing Protocols, Virtual Private Networks (VPN), Network Troubleshooting, Open Shortest Path First (OSPF), Network Engineering, Network Routing, Border Gateway Protocol, Multiprotocol Label Switching, Network Administration, Wide Area Networks, Network Protocols, Network Security, Network Monitoring, Network Performance Management, Dynamic Host Configuration Protocol (DHCP), Authentications
Intermediate · Course · 1 - 4 Weeks

Samsung
Skills you'll gain: Hardware Troubleshooting, Electrical Safety, Technical Support, Test Equipment, Safety and Security
★ 4.3 (10) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, AI Orchestration, SQL, LLM Application, Query Languages, Generative AI Agents, OpenAI API, Microsoft Azure, Tool Calling, OpenAI, Natural Language Processing, Large Language Modeling
★ 4.5 (54) · Beginner · Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Workplace Bullying Intervention, Diversity Awareness, Workplace inclusivity, Safety Culture, Labor Law, Accountability, Compliance Management, Disciplinary Procedures, Ethical Standards And Conduct, Strong Work Ethic, Professional Development, Behavior Management, Safety and Security, AI Enablement, Social Media, Culture
★ 4.8 (179) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Desktop Support, Computer Hardware, Digital Transformation, Network Troubleshooting, Technical Support, System Support, Technical Support and Services, Networking Hardware, Servers, Network Security, Network Infrastructure, Server Administration, Data Security, Hardware Architecture, IT Infrastructure, Data Storage Technologies, Operating Systems, Data Storage
★ 4.9 (21) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Blockchain, User Interface (UI), User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Cryptography, Secure Coding, Security Testing, Security Architecture Review, Web Development Tools, Security Controls, React Redux, Encryption, User Experience Design, Key Management, Cryptographic Protocols, Security Strategy, Application Security, Legal Technology, Vulnerability Assessments, Data Security
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Responsible AI, AI Product Strategy, AI Security, Diversity and Inclusion, Workplace inclusivity, AI Enablement, Organizational Leadership, Employee Retention, Diversity Equity and Inclusion Initiatives, Product Strategy, Strategic Leadership, Talent Management, Security Strategy, Ethical Standards And Conduct, AI Integrations, Cross-Functional Collaboration, Workforce Development, Business Ethics
★ 4.3 (12) · Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Data Security, Network Security, Cyber Attacks, Security Testing, Digital Forensics, Infrastructure Security, Identity and Access Management, Cloud Security, Security Controls, Computer Security Awareness Training, Security Awareness, Threat Detection, Threat Management, Cyber Security Assessment, Test Tools, Firewall, OSI Models, Authentications, Encryption, Cloud Computing
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Virtual Local Area Network (VLAN), Network Security, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Architecture, TCP/IP, Routing Protocols, Network Switches, Network Routing, Open Shortest Path First (OSPF), Wireless Networks, Network Routers, Virtual Networking, Ansible, General Networking, Network Infrastructure, Network Administration, Software-Defined Networking, Computer Networking, Network Planning And Design
★ 4 (16) · Beginner · Specialization · 1 - 3 Months

Alibaba Cloud Academy
Skills you'll gain: Docker (Software), Containerization, Cloud Deployment, Application Deployment, Devops Tools, Kubernetes, Terraform, Prometheus (Software), Cloud Computing, Performance Tuning, Application Performance Management, Cloud Development, Operating System Administration, Cloud Management, Cloud Applications, DevOps, Infrastructure As A Service (IaaS), Cloud Platforms, Operating Systems, Web Development
★ 4.7 (11) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Transformation, Power BI, Data-Driven Decision-Making, Data Processing, Data Integration, Data Cleansing, Data Manipulation, Data Preprocessing, Data Modeling, Data Visualization Software, Data Analysis, Pivot Tables And Charts, Analytics
★ 4.2 (13) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Docker (Software), Cloud-Native Computing, Containerization, Application Deployment, Webhook Security, Data Storage, Security Controls, Authentications, Network Model, YAML, Virtual Networking, Data Persistence, Scalability
★ 3.4 (21) · Intermediate · Course · 1 - 4 Weeks