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.

Coursera
Skills you'll gain: PyTorch (Machine Learning Library), Model Training, Convolutional Neural Networks, Heat Maps, Model Evaluation, Image Analysis, Deep Learning, Computer Vision
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Data Lakes, Data Governance, Data Warehousing, Data Infrastructure, Data Architecture, Google Cloud Platform, Data Management, Advanced Analytics, Data Security, Data Integration, Data Storage Technologies, Analytics, Data Pipelines, Cloud Computing, Cloud Computing Architecture, Applied Machine Learning
Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Ajax, Web Content Accessibility Guidelines, Javascript, Application Programming Interface (API), Web Design, Semantic Web, Usability, Web Applications, Web Development, Test Tools, Web Content, Front-End Web Development, Data Structures, Application Frameworks, Network Protocols, Data Ethics
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Virtualization, Cloud Computing, Virtualization and Virtual Machines, Virtual Machines, Cloud Services, Cloud Platforms, Display Devices, Computer Hardware, Operating Systems, Computer Displays, Containerization, Wireless Networks
Build toward a degree
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Enablement, AI Product Strategy, Artificial Intelligence, AI literacy, Responsible AI, Business Strategy, Team Building, Data Ethics, Data Science, Artificial Neural Networks, Machine Learning, Deep Learning, Social Impact, Sales, Writing
Beginner · Course · 1 - 4 Weeks

Genentech
Skills you'll gain: Clinical Data Management, Clinical Trials, Clinical Research, Interactive Data Visualization, Case Report Forms, Drug Development, Data Presentation, R (Software), Pharmaceuticals, Shiny (R Package), Data Visualization, Statistical Reporting, Dashboard, Data Modeling, R Programming, Data Manipulation, Statistical Programming, Data Science, Statistical Analysis, Data Preprocessing
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Content Performance Analysis, Web Analytics and SEO, Search Engine Optimization, Keyword Research, Data-Driven Marketing, Web Analytics, Content Optimization, Performance Analysis, Semantic Web, Performance Metric, Content Management Systems
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Goal Setting, Project Management, Project Management Software, Project Performance, Team Performance Management, Organizational Strategy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MongoDB, Restful API, API Design, NoSQL, Database Development, Node.JS, Query Languages, Application Programming Interface (API), Database Management, Distributed Computing, Data Store, Database Design, Database Architecture and Administration, Performance Tuning, Object-Relational Mapping, Scalability, Data Integrity, Data Modeling, Data Validation
Intermediate · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Correlation Analysis, Performance Tuning, Model Optimization, Data Manipulation, Analysis, Data Analysis, Data Modeling, Big Data, Transaction Processing, Data Integration, Data Science, Business Analytics, Data Visualization
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Information Privacy, Personally Identifiable Information, General Data Protection Regulation (GDPR), Document Management, Data Management, Data Governance, Data Ethics, Law, Regulation, and Compliance, Compliance Management, Computer Security Awareness Training, Security Awareness, Records Management
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data-Driven Marketing, Email Marketing, Goal Setting, Marketing Analytics, Marketing Strategies, Marketing Effectiveness, Data-Driven Decision-Making, Campaign Management, Performance Metric, Dashboard, Key Performance Indicators (KPIs), Performance Analysis
Beginner · Course · 1 - 4 Weeks