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.

Packt
Skills you'll gain: MongoDB, Database Design, Database Development, Data Modeling, Security Controls, Query Languages, Data Security, Database Architecture and Administration, NoSQL, System Monitoring, Vector Databases, Data Storage Technologies, Database Management, Transaction Processing, Performance Tuning, Authentications, Scalability, Encryption, Data Transformation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Bash (Scripting Language), General Networking, Linux Commands, Operating System Administration, Scripting, Unix, Scripting Languages, Network Infrastructure, Security Controls, Application Security, Servers
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Supervised Learning, Model Optimization, Feature Engineering, Applied Machine Learning, Object Oriented Programming (OOP), Unsupervised Learning, Model Evaluation, Statistical Machine Learning, Recurrent Neural Networks (RNNs), Object Oriented Design, Convolutional Neural Networks, Machine Learning Methods, Plot (Graphics), Transfer Learning, Machine Learning Algorithms, Data Visualization, Natural Language Processing, Seaborn, Python Programming, Deep Learning
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Cloud Management, Google Cloud Platform, Cloud Computing, Public Cloud, Site Reliability Engineering, Expense Management, Cloud Infrastructure, DevOps, Corporate Sustainability, Identity and Access Management, Governance, Cost Management, Sustainable Business, Capacity Management, Cost Control, Financial Controls, System Monitoring, Customer Support
★ 4.4 (14) · Beginner · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Resource Allocation, Production Planning, Graph Theory, Data-Driven Decision-Making, Production Schedule, Decision Making, Mathematical Modeling, Network Planning And Design, Mathematical Software, Model Optimization, Computational Logic, Algorithms, Cryptography
★ 4.8 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Shiny (R Package), Interactive Data Visualization, Dashboard, Dashboard Creation, Data Visualization Software, R Programming, R (Software), Data Wrangling, User Interface (UI) Design, Ggplot2, Data Manipulation, Data Integration, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Model Evaluation, Predictive Modeling, Regression Analysis, Statistical Machine Learning, Statistical Modeling, Classification Algorithms, Predictive Analytics, Logistic Regression, Feature Engineering, Applied Machine Learning, Data-Driven Decision-Making, Data Preprocessing, Model Optimization, Performance Metric
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Marketing, Social Media, Social Media Strategy, Instagram, Social Media Analytics, Facebook, Brand Awareness, Marketing Effectiveness, Marketing, Driving engagement, Marketing Analytics, Branding, Business
★ 4.7 (46) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Windows Servers, Microsoft Servers, Remote Access Systems, Hyper-V, Server Administration, Microsoft Windows, Servers, Operating System Administration, Systems Administration, Active Directory, Windows PowerShell, Dynamic Host Configuration Protocol (DHCP), Virtual Private Networks (VPN), Group Policy, Virtualization, Network Infrastructure, System Monitoring, Data Storage, Event Monitoring, Virtual Machines
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Cloud Computing Architecture, Cloud Infrastructure, Scalability, Cloud Computing, Software Architecture, Cloud Services, Cloud Deployment, Infrastructure As A Service (IaaS), Load Balancing, Serverless Computing, Software Design Patterns, Microservices, Event-Driven Programming
★ 4.7 (36) · Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Deep Learning, Machine Learning Methods, Predictive Analytics, FinTech, Applied Machine Learning, Data-Driven Decision-Making, Predictive Modeling, Machine Learning, Digital Transformation, Machine Learning Algorithms, Financial Forecasting, Artificial Intelligence and Machine Learning (AI/ML), Analytics, Artificial Intelligence, Artificial Neural Networks, Model Optimization, Data Science
★ 4.7 (24) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Architecture, Distributed Computing, Data Modeling, Scalability, Data Management, Data Strategy, Data Pipelines, Software Architecture, Semantic Web, Continuous Deployment, Information Architecture, CI/CD, Maintainability, AI Enablement, Organizational Structure, AI Integrations, Product Automation, Interoperability, Data Analysis, Generative AI
Intermediate · Course · 1 - 3 Months