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 California, Davis
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Exploit development, Penetration Testing, Application Security, Vulnerability Assessments, Code Review, Vulnerability Management, Secure Coding, Authorization (Computing), Java, Java Programming, Dependency Analysis, Docker (Software), JSON, Git (Version Control System)
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Blockchain, Digital Assets, FinTech, Business Strategy, Strategic Decision-Making, Payment Systems, Governance, Financial Services, Financial Regulation, Ledgers (Accounting), Work Breakdown Structure, Project Implementation, Business Modeling, Financial Systems, Project Design, Solution Design, Accounting Systems, Cryptography, Design, Emerging Technologies
Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Cryptography, Cybersecurity, Data Security, Encryption, Vulnerability Assessments, Information Systems Security, Key Management, Infrastructure Security, Public Key Cryptography Standards (PKCS), Authentications, Mobile Security, Data Integrity
Build toward a degree
Beginner · Course · 1 - 4 Weeks

ConsenSys Academy
Skills you'll gain: Blockchain, Cryptography, Interoperability, FinTech, Emerging Technologies, Ledgers (Accounting), Business Modeling, Internet Of Things, Distributed Computing, Open Source Technology, Digital Assets, Transaction Processing, Scalability
Beginner · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Embedded Systems, Embedded Software, Internet Of Things, Operating Systems, Real-Time Operating Systems, Wireless Networks, System Programming, Hardware Architecture, Computer Architecture, Simulations, C (Programming Language), Network Protocols
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Model Evaluation, Data Preprocessing, Convolutional Neural Networks, Image Analysis, Diagnostic Radiology, Predictive Modeling, Risk Modeling, Statistical Machine Learning, Artificial Intelligence, Tensorflow, Applied Machine Learning, Medical Imaging, Machine Learning Methods, Deep Learning, Natural Language Processing, Medical Science and Research, Machine Learning, Magnetic Resonance Imaging, Probability & Statistics
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: OSI Models, Computer Networking, Virtualization, Data Centers, Virtual Networking, General Networking, Network Architecture, Network Protocols, TCP/IP, Network Infrastructure, Local Area Networks
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: PyTorch (Machine Learning Library), Model Deployment, Convolutional Neural Networks, Transfer Learning, Generative AI, Deep Learning, Image Analysis, MLOps (Machine Learning Operations), Data Pipelines, Embeddings, Artificial Neural Networks, Model Evaluation, Data Preprocessing, Software Visualization, Computer Vision, Natural Language Processing, Machine Learning
Intermediate · Professional Certificate · 1 - 3 Months

Skills you'll gain: Leadership and Management, Initiative and Leadership, Leadership, Growth Mindedness, AI Enablement
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Deep Learning, Recurrent Neural Networks (RNNs), Convolutional Neural Networks, Unsupervised Learning, Generative Adversarial Networks (GANs), Autoencoders, Keras (Neural Network Library), Artificial Neural Networks, Tensorflow, Artificial Intelligence and Machine Learning (AI/ML), Image Analysis, Natural Language Processing, Applied Machine Learning, Model Evaluation, Performance Tuning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Bedrock, Responsible AI, Generative AI, AI Security, Artificial Intelligence, Large Language Modeling, Amazon Web Services, Embeddings, Retrieval-Augmented Generation, Image Analysis
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Requirements Elicitation, Software Design Documents, Requirements Analysis, Security Requirements Analysis, Mockups, Interviewing Skills, User Requirements Documents, Data Flow Diagrams (DFDs), Storyboarding, Requirements Management, Functional Requirement, Goal Setting, Software Development Methodologies, Software Documentation, Diagram Design, Agile Methodology, Business Requirements, Unified Modeling Language, Risk Management Framework, System Requirements
Beginner · Specialization · 3 - 6 Months