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.

Board Infinity
Skills you'll gain: Software-Defined Data Center (SDDC), VMware vSAN, Virtualization, Data Centers, NSX-T Network Virtualization, Virtual Networking, Virtualization and Virtual Machines, vSphere Networking and Storage, Virtual Machines, IT Infrastructure, Software-Defined Networking, Network Infrastructure, Infrastructure Architecture, Servers, Cloud Management, Hybrid Cloud Computing
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Model Optimization, Tensorflow, Deep Learning, Model Training, Performance Tuning, Model Evaluation, Machine Learning Methods, Artificial Neural Networks, Statistical Analysis, Debugging, Verification And Validation, Algorithms
★ 4.6 (7) · Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Video Production, Search Engine Optimization, Keyword Research, Product Promotion, Web Analytics and SEO, Social Media Content, Social Media Marketing, Content Optimization, Marketing Strategies, Strategic Partnership, Live Streaming, Social Media Strategy, Driving engagement, Promotional Strategies, Content Strategy, Online Advertising, Paid media, Performance marketing, Digital Advertising, Content Creation
Mixed · Course · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: Spatial Analysis, NoSQL, Spatial Data Analysis, Geospatial Mapping, Geographic Information Systems, Geospatial Information and Technology, Big Data, MongoDB, GIS Software, File Systems, Data Infrastructure, Apache Hadoop, Distributed Computing, Data Architecture, Cloud Computing, Apache Spark, Public Cloud, Database Systems, Scalability, Databases
★ 3.9 (13) · Beginner · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Product Promotion, Search Engine Optimization, Paid media, E-Commerce, Logistics Management, Promotions and Campaigns, Logistics, Product Marketing, Promotional Strategies, Product Knowledge, Online Advertising, Digital Advertising, Content Optimization, Social Media Marketing
★ 3.9 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Secure Coding, Application Security, Security Testing, DevSecOps, MITRE ATT&CK Framework, Security Requirements Analysis, Authentications, Threat Detection, Software Development Life Cycle, Security Controls, Systems Development Life Cycle, Vulnerability Assessments, DevOps, Cyber Security Assessment, CI/CD, Linux, Cyber Security Strategy, Cyber Risk, Cyber Governance
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Git (Version Control System), Version Control, DevSecOps, Devops Tools, DevOps, CI/CD, Open Web Application Security Project (OWASP), Continuous Delivery, IT Automation, Collaborative Software, Continuous Integration, Agile Methodology, Secure Coding, Application Security, Continuous Deployment, Security Software, Agile Software Development, Automation, Real Time Data, Control Systems
Beginner · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Model Context Protocol, GitHub, Git (Version Control System), Open Source Technology, CI/CD, Continuous Integration, Version Control, Generative AI Agents, Agentic Workflows, AI Workflows, Agentic systems, Tool Calling, Code Review, Issue Tracking, Software Documentation
Mixed · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Web Services, Vulnerability Assessments, Vulnerability Scanning, Security Testing, Vulnerability Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Ggplot2, Model Evaluation, Plot (Graphics), Regression Analysis, Predictive Analytics, Predictive Modeling, Statistical Visualization, Data-Driven Decision-Making, Statistical Modeling, R Programming, Descriptive Statistics, R (Software), Exploratory Data Analysis, Descriptive Analytics, Statistical Analysis, Data Analysis
★ 4.2 (13) · Intermediate · Guided Project · Less Than 2 Hours

John Wiley & Sons
Skills you'll gain: Blogs, Search Engine Marketing, Media Relations, Content Creation, Online Advertising, Digital Content, Press Releases, Social Media Marketing, Digital Media Strategy, Content Marketing, Marketing Communications, Digital Advertising, Driving engagement, Digital Marketing, Multimedia, Social Media Content, Brand Management, Public Relations, Social Media, Web Analytics and SEO
Intermediate · Course · 1 - 3 Months

Skills you'll gain: MySQL, Business Intelligence, Role-Based Access Control (RBAC), SQL, Relational Databases, Database Software, Data Presentation, Database Management Systems, Data Visualization Software, Database Management, Databases, Data Access, Authorization (Computing), Query Languages, Performance Tuning
★ 4.2 (37) · Beginner · Course · 1 - 4 Weeks