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.

University of Pennsylvania
Skills you'll gain: R Programming, R (Software), Statistical Analysis, Statistical Methods, Statistical Modeling, Statistical Inference, Data Analysis, Quantitative Research, Correlation Analysis, Regression Analysis, Logistic Regression, Research Design, Probability
★ 4.7 (579) · Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Digital Forensics, File Systems, Microsoft Windows, grep, Network Protocols, File Management, Operating Systems, Data Structures, General Networking, Data Validation, Record Keeping, Data Storage Technologies, Data Storage, Data Integrity, Digital Analysis, User Accounts, USB, Ethical Standards And Conduct, Encryption, System Configuration
★ 4.7 (363) · Intermediate · Specialization · 3 - 6 Months

KodeKloud
Skills you'll gain: OpenAI API, OpenAI, Generative Model Architectures, Responsible AI, Generative AI, Prompt Engineering, Embeddings, Multimodal Prompts, Image Analysis, Large Language Modeling, AI powered creativity, Token Optimization, AI literacy, AI Security, LLM Application, AI Workflows, Data Ethics, Content Optimization, Critical Thinking and Problem Solving, Performance Measurement
Intermediate · Course · 1 - 4 Weeks

Georgia Institute of Technology
Skills you'll gain: Professional Networking, LinkedIn, Web Content, Social Media Content, Instagram, Web Presence, Writing, Concision, Content Creation, Social Media, Grammar, Professionalism, Constructive Feedback, Writing and Editing, Relationship Building, English Language, Branding, Vocabulary
★ 4.7 (1.7K) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Accounts Payable, Accounts Payable and Receivable, Invoicing, Billing & Invoicing, Data Entry, Payment Processing and Collection, Transaction Processing, SAP Applications, Accounting Systems, SAP S/4HANA, Accounting and Finance Software, Accounting Records, General Ledger, Enterprise Resource Planning, Compliance Management
★ 2.7 (7) · Beginner · Course · 1 - 4 Weeks

STARWEAVER
Skills you'll gain: Prompt Engineering, Content Creation, Generative AI, Keyword Research, Writing and Editing, Search Engine Optimization, Writing, Content Development and Management, Content Marketing, Digital Content, Content Strategy, Digital Publishing, Editing, Artificial Intelligence, Scalability, Workflow Management, Content Management, Cross-Channel Marketing, Proofreading
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Java Platform Enterprise Edition (J2EE), Java, Context Management, Web Applications, Server Side, Data Storage, Data Sharing
★ 4.5 (17) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Power Platform, Power Platform Architecture & Technical Design, Productivity Software, No-Code Development, Data Integration, Data Store, Data Access, Database Management Systems, Application Development, Case Studies, Business Solutions, Value Propositions, Security Controls
★ 4.5 (198) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Architecture, Data Lakes, Data Engineering, Decision Intelligence, Database Architecture and Administration, Data Infrastructure, Systems Architecture, Data Warehousing, Enterprise Architecture, Solution Architecture, Dataflow, Data Pipelines, Data Governance, AI Workflows, AI Integrations, Vector Databases, Data Integrity, Site Reliability Engineering, Responsible AI, Requirements Analysis
Intermediate · Course · 1 - 3 Months

Taipei Medical University
Skills you'll gain: Precision Medicine, Large Language Modeling, Health Informatics, Artificial Intelligence, Health Technology, Health Systems, Patient Safety, Machine Learning, Health Information Management, Augmented Reality, Deep Learning, Natural Language Processing, Internet Of Things, Big Data, Data Collection, Reinforcement Learning, Predictive Modeling, Data Analysis, Virtual Reality, Data Management
Beginner · Course · 1 - 4 Weeks

Google Cloud
Beginner · Course · 1 - 3 Months