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.

Skillshare
Skills you'll gain: Responsive Web Design, User Interface and User Experience (UI/UX) Design, Digital Design, Web Design, Motion Graphics, Adobe XD, No-Code Development, Animations, Layout Design, Prototyping, Graphic Design, Augmented and Virtual Reality (AR/VR), Style Guides
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Information Privacy, Personally Identifiable Information, Document Management, Data Governance, Law, Regulation, and Compliance, Training Programs, Compliance Training, Security Awareness, Employee Training, Data Access, Auditing
Mixed · Course · 1 - 4 Weeks

ISC2
Skills you'll gain: Cloud Security, Zero Trust Network Access, Hybrid Cloud Computing, Cloud Computing, Cloud Services, Risk Mitigation, Security Strategy, Legal Risk, Regulation and Legal Compliance, Auditing
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: TikTok, Social Media Content, Content Performance Analysis, Content Creation, Video Editing, Social Media Marketing, Social Media Strategy, Storytelling, Drive Engagement, Content Strategy, Social Media Campaigns, Brand Awareness, Customer Engagement
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Identity and Access Management, Role-Based Access Control (RBAC), Firewall, Nginx, Virtual Networking, Network Administration, Network Security, Servers, Web Servers, Security Controls
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Information Technology Operations, Technical Support and Services, Scripting, Network Troubleshooting, Wireless Networks
Intermediate · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Computer Vision, Model Evaluation, Image Analysis, Convolutional Neural Networks, Deep Learning, Matlab, Data Preprocessing, Data Visualization, Transfer Learning, Applied Machine Learning, Data Analysis
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Spring Framework, Java, Dependency Analysis, Maintainability, Object Oriented Programming (OOP), Extensible Markup Language (XML), Software Design, Software Architecture, Testability
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Exploit development, C (Programming Language), C++ (Programming Language), Secure Coding, Application Security, System Programming, Debugging, Vulnerability Assessments
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: R Programming, Rmarkdown, Tidyverse (R Package), Ggplot2, Data Import/Export, Data Visualization, Data Analysis, Data Visualization Software, Data Science, Data Manipulation, Data Storytelling, Statistical Analysis, Data Cleansing, Data Integration, Data Transformation, Communication
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Feature Engineering, Data Preprocessing, Dataflow, Tensorflow, Data Pipelines, Model Evaluation, Data Transformation, Keras (Neural Network Library), Applied Machine Learning, Data Manipulation, Google Cloud Platform, Machine Learning, Python Programming
Intermediate · Course · 1 - 3 Months

CertNexus
Skills you'll gain: Cyber Threat Intelligence, Incident Response, Cybersecurity, Computer Security Incident Management, Information Systems Security, Threat Detection, Cyber Risk, Risk Analysis, Computer Security, Digital Forensics, Network Security, Incident Management, Vulnerability Assessments, Criminal Investigation and Forensics, Vulnerability Management, Vulnerability Scanning, Intelligence Collection and Analysis, Risk Management, Risk Mitigation, Network Analysis
Intermediate · Specialization · 3 - 6 Months