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.
Google Cloud
Skills you'll gain: Google Workspace, Gmail, Google Gemini, Email Automation, Service Management, Scripting, Automation, Document Management, Collaborative Software, Configuration Management, Data Sharing
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Session Initiation Protocols, Android Studio, Android Development, Internet Of Things, Communication Systems, Network Protocols, Telecommunications, Wireless Networks, Mobile Development, Application Development, Embedded Systems, Open Source Technology
Mixed · Course · 1 - 3 Months

Skills you'll gain: Package and Software Management, User Accounts, Unix Commands, Unix, Bash (Scripting Language), Command-Line Interface, Kubernetes, Git (Version Control System), GitHub, OS Process Management, Firewall, Ubuntu, Docker (Software), Containerization, Network Monitoring, Unix Shell, File Systems, Shell Script, TCP/IP, Version Control
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Stored Procedure, Star Schema, Microsoft SQL Servers, Database Design, Relational Databases, Data Integrity, Database Development, Data Integration, SQL, Transaction Processing, Power BI, Data Warehousing, Database Management, Transact-SQL, Data Maintenance, Databases, Query Languages, Database Architecture and Administration, Database Systems, Data Management
Beginner · Professional Certificate · 3 - 6 Months

New York Institute of Finance
Skills you'll gain: Tensorflow, Keras (Neural Network Library), Financial Trading, Data Pipelines, Applied Machine Learning, Technical Analysis, Machine Learning, Securities Trading, Market Trend, Financial Market, Deep Learning, Python Programming, Predictive Modeling, Performance Metric
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Database Administration, Database Management, Database Architecture and Administration, Relational Databases, Operational Databases, Database Systems, IBM DB2, MySQL, Performance Tuning, PostgreSQL, Disaster Recovery, Data Storage Technologies, Database Design, System Monitoring, Role-Based Access Control (RBAC), User Accounts, Encryption
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Data Storage, Systems Architecture, Network Architecture, FinTech, Information Technology Architecture, Distributed Computing, Application Security, Security Controls, Cloud Platforms, Other Programming Languages, Emerging Technologies, Scalability, Data Integrity, Transaction Processing, Computer Programming Tools
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Operations Management, Supply Chain, Continuous Improvement Process, Operations, Process Improvement, Supply Chain Management, Quality Management, Lean Manufacturing, Business Technologies, Process Capability, Statistical Analysis, Inventory Control, Sustainable Business, Network Planning And Design, Statistical Methods, Customer Demand Planning, Vendor Contracts, Process Control, Corporate Sustainability, Program Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Content, Social Media, Facebook, Content Creation, Marketing Materials, Social Media Marketing, Instagram, Data Visualization, Graphic Design, Digital Publishing, Brand Management, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Universiteit Leiden
Skills you'll gain: Health Systems, Health Care Administration, Governance, Health Care, Health Policy, Health Disparities, Health Equity, Clinical Leadership, Social Network Analysis, Social Determinants Of Health, Preventative Care, Public Health and Disease Prevention, Community Health, Continuous Quality Improvement (CQI)
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Open Web Application Security Project (OWASP), Exploit development, Exploitation techniques, Internet Of Things, Cyber Security Assessment, Vulnerability Scanning, Vulnerability Assessments, Test Tools, USB, Embedded Systems, Network Security, Test Equipment, General Networking, Serial Peripheral Interface
Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Load Balancing, Cloud Infrastructure, Terraform, Cloud Computing Architecture, Infrastructure as Code (IaC), Cloud Computing, Virtual Private Networks (VPN), Virtual Machines, Public Cloud, Managed Services, Network Infrastructure, Network Security, Virtualization and Virtual Machines, Scalability
Intermediate · Course · 1 - 3 Months