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: Enterprise Architecture, Apache Kafka, Data Architecture, Generative AI, Data Infrastructure, Root Cause Analysis, Dataflow, Solution Architecture, Systems Architecture, Data Quality, Data Pipelines, Data Integration, Cloud Storage, Data Storage Technologies, Data Storage, Failure Analysis, Data Processing, Metadata Management, Performance Tuning, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Ubuntu, Lightweight Directory Access Protocols, File Systems, Linux, Virtualization and Virtual Machines, Linux Commands, Bash (Scripting Language), Linux Servers, Firewall, Virtual Machines, Package and Software Management, Virtualization, Remote Access Systems, File Management, Operating System Administration, Systems Administration, Shell Script, Containerization, Git (Version Control System)
★ 4.6 (17) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Dashboard, Dashboard Creation, Key Performance Indicators (KPIs), Conversion Funnel Analysis, Interactive Data Visualization, Data Presentation, Requirements Elicitation, Performance Reporting, Data Storytelling, Exploratory Data Analysis, Requirements Analysis, Functional Specification, Business Requirements, Stakeholder Analysis, Technical Documentation, Self Service Technologies
Intermediate · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Reinforcement Learning, Machine Learning Methods, Machine Learning Algorithms, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Algorithms, Decision Intelligence, Markov Model, Deep Learning, Statistical Methods, Analysis
★ 4.4 (25) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Large Language Modeling, LLM Application, Artificial Neural Networks, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Generative Model Architectures, Natural Language Processing, Fine-tuning, Model Training, Transfer Learning
★ 3.2 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Windows, Authentications, Operating System Administration, Azure Active Directory, Microsoft Intune (Mobile Device Management Software), Identity and Access Management, System Configuration, User Provisioning, Active Directory, Remote Access Systems, Software Installation, Role-Based Access Control (RBAC), Automation, Data Migration
★ 4.7 (15) · Intermediate · Course · 1 - 4 Weeks

Aptly
Skills you'll gain: TikTok, Social Media Content, Social Media Marketing, Business Marketing, Content Scheduling, Brand Marketing, Social Media Strategy, Social Media, Content Creation, Marketing Strategies, Content Marketing, Marketing, Web Presence, Brand Awareness, Driving engagement, Content Strategy, Branding, Content Development and Management, Customer Engagement
★ 4.9 (14) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Electronic Medical Record System, Medical History Documentation, Medical Records, Electronic Medical Record, Health Information Management and Medical Records, Medical Terminology, Medical Office Procedures, Data Entry, Clinical Documentation, Health Information Management, Document Management, File Management, Document Control, Data Capture, Vital Signs, Digital Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Natural Language Processing, Large Language Modeling, Fine-tuning, Model Evaluation, Recurrent Neural Networks (RNNs), Data Ethics, Responsible AI, Text Mining, Transfer Learning, PyTorch (Machine Learning Library), Artificial Neural Networks, Data Preprocessing, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Classification Algorithms, Applied Machine Learning, Data Processing, Machine Learning, Data Analysis, Data Cleansing
★ 3.1 (8) · Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Capacity Management, Kubernetes, Istio, Google Cloud Platform, Scalability, Application Security, Hybrid Cloud Computing, Security Controls, Apache Cassandra, Proxy Servers, Data Security, Application Deployment, Role-Based Access Control (RBAC), Public Key Infrastructure, YAML, Debugging
★ 4.5 (17) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Lakes, Data Governance, Transaction Processing, Microsoft Azure, Security Controls, Data Architecture, Power BI, Data Warehousing, Dataflow, Data Management, Identity and Access Management, Azure Active Directory, Data Pipelines, Role-Based Access Control (RBAC), Data Integration, Query Languages, Data Integrity, Real Time Data, Data Quality, Data Transformation
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Newsletters, Governance, Event Planning, Event Management, Public Relations, Branding, Brand Strategy, Philanthropy, Fundraising, Stakeholder Communications, Stakeholder Management, Digital Media Strategy, Storytelling, Marketing and Public Relations, Media and Communications, Organizational Effectiveness, Organizational Leadership, Marketing, Marketing Strategy and Techniques, Operations
Beginner · Course · 1 - 3 Months