Network security courses can help you learn about firewalls, intrusion detection systems, and encryption protocols. You can build skills in risk assessment, incident response, and vulnerability management. Many courses introduce tools like Wireshark for network analysis, Nessus for vulnerability scanning, and various security information and event management (SIEM) systems, showing how these skills are applied in practical work to protect networks from cyber threats.

Simplilearn
Skills you'll gain: Search Engine Marketing, Google Ads, Search Engine Optimization, Marketing Strategies, Web Analytics and SEO, Marketing, Email Marketing, Marketing Analytics, Digital Marketing, Performance marketing, Marketing Psychology, Customer Relationship Management, Paid media, Campaign Management, Marketing Automation, Advertising Campaigns, Google Analytics, UI/UX Strategy, Social Media Marketing, Digital Advertising
Beginner · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Graph Theory, Data Structures, Unstructured Data, Network Routing, Algorithms
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Metasploit, Penetration Testing, Malware Protection, Exploitation techniques, Database Management, Cyber Threat Intelligence, Vulnerability Assessments, Cyber Security Assessment, Brute-force attacks, Cryptography, Cybersecurity, Vulnerability Scanning, Intrusion Detection and Prevention, Data Import/Export, MySQL, Encryption, Mobile Security, Linux, Linux Administration
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Performance Tuning, Data Architecture, User Accounts, Data Warehousing, SQL, Database Management, Data Modeling, Data Transformation, Data Import/Export, Data Integration, Role-Based Access Control (RBAC), Data Governance, JSON, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Lifecycle Management, DevSecOps, Azure DevOps, DevOps, Continuous Delivery, Software Quality Assurance, Release Management, Secure Coding, CI/CD, Git (Version Control System), Verification And Validation, Continuous Integration, GitHub, Software Testing, Security Controls, Software Development Tools, Data Governance, Continuous Deployment, Cyber Governance, Version Control
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Process Mapping, Process Analysis, Business Workflow Analysis, Process Improvement and Optimization, Business Process Improvement, Business Process, Process Improvement, Process Flow Diagrams, Business Process Modeling, Process Optimization, Operational Efficiency, Workflow Management, Performance Measurement, Key Performance Indicators (KPIs)
Beginner · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Cybersecurity, Computer Security, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Security Policies, Threat Management, Cyber Risk, Threat Detection, Cyber Security Assessment, Network Security, Application Security, Risk Management, Data Security, Information Privacy, Vulnerability Assessments, Business Economics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Analytics and SEO, Search Engine Optimization, Content Marketing, Web Analytics, Blogs, Search Engine Marketing, Content Creation, Marketing Strategy and Techniques, Digital Marketing, Growth Strategies, Content Strategy, Social Media Marketing, Market Research
Beginner · Course · 1 - 3 Months

Skills you'll gain: Medication Administration, Basic Patient Care, Direct Patient Care, Nursing and Patient Care, Pharmacology, Clinical Nursing, Nursing, Basic Nursing Skills, Nursing Process, Care Coordination, Patient Communication, Nursing Basics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Threat Management, Threat Detection, Data Management, Data Validation, Technical Communication, Automation, Requirements Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: LangChain, LLM Application, Prompt Engineering, API Design, MLOps (Machine Learning Operations), Large Language Modeling, Performance Tuning, Microservices, Application Deployment, Kubernetes, Scalability, Site Reliability Engineering, DevOps, CI/CD, Docker (Software), Python Programming, Containerization, System Monitoring, Cloud Platforms, Security Controls
Intermediate · Specialization · 3 - 6 Months

Institut Mines-Télécom
Skills you'll gain: Internet Of Things, Wireless Networks, Network Routing, Local Area Networks, Network Architecture, Network Protocols, Network Performance Management, Computer Networking, Telecommunications
Intermediate · Course · 1 - 3 Months