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 Colorado Boulder
Skills you'll gain: Statistical Inference, Statistical Modeling, Regression Analysis, Data Ethics, Statistical Methods, Data Science, R Programming, Data Modeling, Statistical Analysis, Predictive Modeling, Mathematical Modeling, Probability & Statistics, Model Evaluation, Feature Engineering
Build toward a degree
Intermediate · Course · 1 - 3 Months
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Encryption, Transaction Processing, Authentications, FinTech, Data Security, Emerging Technologies, Data Integrity, Distributed Computing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Application Security, DevSecOps, Security Testing, Software Development Methodologies, Configuration Management, Software Development, Software Configuration Management, Software Development Life Cycle, Software Testing, API Testing, Threat Modeling, Application Programming Interface (API), Cloud Security, Risk Management Framework, Change Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PyTorch (Machine Learning Library), Convolutional Neural Networks, Transfer Learning, Image Analysis, Deep Learning, Model Evaluation, Medical Imaging, Computer Vision, Machine Learning, Data Preprocessing
Intermediate · Guided Project · Less Than 2 Hours

L&T EduTech
Skills you'll gain: Electric Power Systems, Electrical Power, Systems Analysis, Electrical Engineering, Network Analysis, Numerical Analysis, Mathematical Modeling, Simulation and Simulation Software, Simulations, Graph Theory
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: TCP/IP, Network Protocols, Network Infrastructure, Network Security, OSI Models, Network Architecture, Routing Protocols, Computer Networking, Wireless Networks, Network Routing, Network Performance Management, Application Security, Network Model, Software-Defined Networking, Computer Security Awareness Training
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Cyber Governance, Security Management, Incident Management, Cyber Security Strategy, Business Continuity Planning, Business Continuity, Disaster Recovery, Cyber Security Policies, Information Systems Security, Governance, Security Controls, Asset Management, Security Requirements Analysis, Cyber Security Assessment, Risk Analysis, Risk Management, Strategic Planning, Resource Management, Performance Metric
Mixed · Course · 3 - 6 Months

Digital Marketing Institute
Skills you'll gain: LinkedIn, Social Media Marketing, Social Media, Digital Advertising, Marketing, B2B Sales, Professional Networking, Advertising Campaigns, Social Media Strategy, Marketing Analytics, Video Production, Advertising, Selling Techniques, Branding, Content Creation, Target Audience
Beginner · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: Cross-Functional Team Leadership, Technical Product Management, Engineering Management, Product Management, Team Leadership, Artificial Intelligence and Machine Learning (AI/ML), User Experience Design, Design, Software Design, Artificial Intelligence, Interviewing Skills, Machine Learning, Deep Learning, Technical Communication
Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Responsible AI, Large Language Modeling, Data Ethics, Decision Tree Learning, AI Security, Regression Analysis, Generative AI, Artificial Intelligence, Predictive Modeling, AI Product Strategy, Statistical Modeling, Python Programming, Machine Learning, Model Evaluation, Applied Machine Learning, Logistic Regression, Machine Learning Methods, Deep Learning, Visualization (Computer Graphics), Data Literacy
Intermediate · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Data Analysis Expressions (DAX), Data Ethics, Data Modeling, Data Governance, Data Architecture, Database Design, Power BI, Star Schema, Information Privacy, Data Visualization Software, Data Security, Data Integrity, Snowflake Schema, Relational Databases, Data Cleansing
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cloud Deployment, Virtualization, Cloud Computing Architecture, Cloud Computing, Public Cloud, Network Protocols, TCP/IP, Amazon Web Services, File Transfer Protocol (FTP), General Networking, Virtual Machines, Infrastructure As A Service (IaaS), Software As A Service, Platform As A Service (PaaS), Servers, Private Cloud, Hybrid Cloud Computing
Beginner · Course · 1 - 4 Weeks