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.

Splunk Inc.
Skills you'll gain: Splunk, Correlation Analysis, Data Transformation, Interactive Data Visualization, Data Manipulation, Data Visualization Software, Dashboard Creation, Data Wrangling, Performance Tuning, Model Optimization, Dashboard, Statistical Analysis, Data Processing, Analysis, Data Synthesis, Business Intelligence, Data Analysis, Big Data, Data Science, Business Analytics
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Model Evaluation, Model Training, Model Optimization, Configuration Management, Image Analysis, Debugging, Data Presentation, Experimentation, Computer Vision, Data Visualization, Deep Learning, Algorithms, Performance Tuning, Tensorflow, Failure Mode And Effects Analysis, Root Cause Analysis, Cost Management, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Medical Office Procedures, Patient Preparation, Patient Registration, Triage, Health Care Procedure and Regulation, Patient Safety, Setting Appointments, Care Coordination, Standard Operating Procedure, Clinical Documentation, Data Entry, Record Keeping, Safety and Security
Beginner · 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
Beginner · Specialization · 1 - 3 Months

Interactive Brokers
Skills you'll gain: Risk Analysis, Financial Trading, Securities Trading, Investments, Financial Market, Tax, Financial Regulations, Capital Markets, Investment Management, Financial Analysis, Risk Mitigation, Financial Industry Regulatory Authorities, Market Liquidity, Credit Risk, Income Tax, Market Dynamics, Tax Laws, Due Diligence
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Health Technology, Precision Medicine, Telehealth, Health Systems, Health Informatics, Digital Transformation, Data-Driven Decision-Making, Health Care, Bioinformatics, Data Science, Innovation, Medical Telemetry, Big Data, Medical Equipment and Technology, Medical Devices, Health Policy, Health Care Administration, Health Education, Home Health Care, General Medicine
Beginner · Course · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Database Systems, Database Theory, Relational Databases, Database Management, SQL, Databases, Database Design, Database Development, Database Software, Database Application, Database Management Systems, Information Systems, MySQL, Query Languages, Data Modeling, Transaction Processing, MySQL Workbench, Information Systems Security, Data Integrity, Performance Tuning
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Inventory Management, Inventory Management System, Tax Management, Accounting Software, Customer Relationship Management, Billing, Customer Relationship Management (CRM) Software, Sales Tax, Small Business Accounting, Accounting and Finance Software, Accounting, Security Controls, Payroll Systems
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Dashboard Creation, Problem Management, Data Import/Export, Data Access
Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, Application Security, Java, Java Programming, Application Frameworks, Model View Controller, Development Environment, Web Applications, Frontend Integration, Application Programming Interface (API), Apache Maven, Authorization (Computing), Authentications, Role-Based Access Control (RBAC), Configuration Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Networking, Load Balancing, Microsoft Azure, Network Monitoring, Network Troubleshooting, Network Planning And Design, Network Administration, Virtual Machines, Disaster Recovery, Event Monitoring, Network Performance Management, Security Controls, System Monitoring, Network Security, Remote Access Systems
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Model, Network Protocols, IT Automation, Network Routing, Data Modeling, Extensible Markup Language (XML), JSON, Automation, Restful API, Data Structures, Configuration Management
Intermediate · Course · 1 - 4 Weeks