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.

Skills you'll gain: Network Troubleshooting, IT Security Architecture, Computer Networking, Systems Administration, IT Infrastructure, Network Security, Operating System Administration, Cybersecurity, Network Architecture, Lightweight Directory Access Protocols, TCP/IP, Security Awareness, Desktop Support, Active Directory, File Systems, Technical Support, OS Process Management, Computer Hardware, Microsoft Windows, Software Installation
Beginner · Professional Certificate · 3 - 6 Months

University of Colorado System
Skills you'll gain: Requirements Analysis, User Requirements Documents, Software Development Methodologies, Requirements Elicitation, Agile Methodology, Functional Requirement, Software Design Documents, System Requirements, Software Development Life Cycle, Verification And Validation, Technical Communication
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Social Media Marketing, Instagram, Business Intelligence, Predictive Modeling, Predictive Analytics, Case Studies
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Pay Per Click Advertising, Digital Marketing, Web Analytics, Email Marketing, Digital Advertising, Google Ads, Social Media Campaigns, Marketing Strategies, Online Advertising, Social Media Marketing, Google Analytics, Web Design and Development, Marketing, Marketing Analytics, Search Engine Optimization, Social Media, Campaign Management, Search Engine Marketing, Keyword Research, Advertising Campaigns
Build toward a degree
Advanced · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Sales Management, Team Leadership, Sales Training, Virtual Teams, Team Management, Sales Enablement, Team Motivation, Sales, Team Performance Management, Sales Pipelines, Sales Process, Innovation, Overcoming Objections, Conflict Management, Performance Analysis, Employee Onboarding, Drive Engagement, Employee Retention, Customer Engagement, Recognizing Others
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: File Systems, Operating Systems, OS Process Management, C (Programming Language), System Programming, Unix, Virtualization, Data Integrity, Debugging, File I/O, Linux, Performance Tuning, Distributed Computing, Data Storage, Command-Line Interface, Virtual Machines, Data Security, Computer Hardware, Scalability, Data Structures
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Trend Analysis, Financial Analysis, Data Import/Export, Business Reporting, Financial Data, Data Transformation, Accounting Records, Microsoft Excel, Performance Analysis, Financial Reporting, Data Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS Kinesis, Model Evaluation, AWS SageMaker, Machine Learning Algorithms, Data Collection, Amazon Redshift, MLOps (Machine Learning Operations), Image Analysis, Reinforcement Learning, Amazon Web Services, Model Deployment, Data Preprocessing, Scalability, Classification Algorithms, Forecasting, Feature Engineering, Algorithms, Data Analysis, Predictive Modeling, Data Modeling
Beginner · Specialization · 1 - 3 Months

EC-Council
Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Threat Modeling, Cybersecurity, Cloud Security, Mobile Security, Vulnerability Assessments, Network Security, Application Security, Threat Detection, Security Awareness, Cyber Attacks, Brute-force attacks, MITRE ATT&CK Framework, Encryption, Vulnerability Scanning, Exploitation techniques, Infrastructure Security, Wireless Networks, Internet Of Things
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Mining, Anomaly Detection, Unsupervised Learning, Supervised Learning, Classification Algorithms, Decision Tree Learning, Machine Learning Algorithms, Exploratory Data Analysis, Analysis, Machine Learning, Algorithms, Bayesian Statistics, Artificial Neural Networks, Model Evaluation
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Microservices, Spring Boot, Spring Framework, IntelliJ IDEA, Java Programming, Restful API, Object Oriented Programming (OOP), Java, Application Programming Interface (API), Application Deployment, Software Architecture, API Design, Integrated Development Environments, Data Persistence, Scalability, Service Oriented Architecture, Web Applications, Application Frameworks, Software Testing, Object-Relational Mapping
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Kubernetes, Google Cloud Platform, Hybrid Cloud Computing, Application Performance Management, Capacity Management, Scalability, Application Security, Security Controls, System Monitoring, Application Deployment, Patch Management, Data Security, Cloud Deployment, Software Installation, Network Troubleshooting, Verification And Validation, Release Management
Beginner · Specialization · 1 - 3 Months