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.

Infosec
Skills you'll gain: Penetration Testing, Cyber Security Policies, Linux Commands, Cyber Security Assessment, Command-Line Interface, Cybersecurity, Cloud Computing, Linux, Risk Management Framework, Operating System Administration, Network Monitoring, Security Management, Operating Systems, Cyber Risk, Cloud Services, Threat Management, General Networking, Windows PowerShell, Cyber Governance, Unix Commands
Beginner · Specialization · 1 - 3 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Molecular Biology, Dimensionality Reduction, Unsupervised Learning, Applied Machine Learning, Data Analysis, Markov Model, Network Analysis, Biochemistry, Biotechnology, Life Sciences, Infectious Diseases, Microbiology, Statistical Analysis, Biology, Algorithms, Classification Algorithms, Data Mining, Data Preprocessing, Python Programming
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Computer Vision, Tensorflow, Image Analysis, Transfer Learning, Convolutional Neural Networks, Keras (Neural Network Library), Deep Learning, Classification Algorithms, Model Evaluation, Visualization (Computer Graphics), Network Architecture
Intermediate · Course · 1 - 4 Weeks
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Encryption, FinTech, Data Sharing, Transaction Processing, Fraud detection, Distributed Computing, Payment Systems, Data Integrity, Emerging Technologies, Digital Assets, Software Systems, Authentications, Systems Architecture, Data Security, Computer Systems, Software Architecture, Network Security, Software Versioning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Rmarkdown, Ggplot2, R (Software), R Programming, Data Analysis, Tidyverse (R Package), Data Visualization, Statistical Programming, Data Visualization Software, Data Cleansing, Data Manipulation, Data Import/Export, Package and Software Management, Data Structures
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Network Analysis, Network Security, Intrusion Detection and Prevention, Cybersecurity, Threat Detection, Network Monitoring, Anomaly Detection
Mixed · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Precision Medicine, Accident Prevention, Data Ethics, Kinesiology, Applied Machine Learning, AI Enablement, Bayesian Network, Child Development, Working With Children, Machine Learning, Data-Driven Decision-Making, Epidemiology, Continuous Monitoring, Load Balancing, Decision Support Systems, Emerging Technologies, Predictive Modeling, Health Education, Biomedical Engineering, Data Integration
Beginner · Specialization · 3 - 6 Months

Council on Foreign Relations
Skills you'll gain: International Finance, Policty Analysis, Research, and Development, Negotiation
Beginner · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Model Evaluation, Classification Algorithms, Regression Analysis, Applied Machine Learning, Feature Engineering, Machine Learning, Image Analysis, Unsupervised Learning, Predictive Modeling, Supervised Learning, Bayesian Statistics, Logistic Regression, Statistical Modeling, Artificial Intelligence, Data Preprocessing, Deep Learning, Data Mining, Decision Tree Learning, Computer Vision, Statistical Machine Learning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, Unsupervised Learning, Supervised Learning, Feature Engineering, Classification Algorithms, Regression Analysis, Dimensionality Reduction, Data Cleansing, Data Preprocessing, Data Access, Applied Machine Learning, Model Evaluation, Data Analysis, Predictive Modeling, Statistical Inference, Statistical Hypothesis Testing, Statistical Methods, Scikit Learn (Machine Learning Library), Machine Learning, Machine Learning Algorithms
Intermediate · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Incident Response, Computer Security Incident Management, Security Information and Event Management (SIEM), Event Monitoring, Threat Detection, General Networking, Network Security, Cybersecurity, Infrastructure Security, Computer Networking, IT Security Architecture, Technical Support and Services, Malware Protection
Mixed · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Data Visualization, Data Analysis Software, Productivity Software, Data Security, Data Validation, Data Management, Workflow Management
Beginner · Course · 1 - 3 Months