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.

Skills you'll gain: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, File Systems, Scripting, User Accounts, Linux Servers, Command-Line Interface, Shell Script, System Configuration, Linux Commands, Unix Shell, Operating System Administration, Unix Commands, Open Source Technology, Disaster Recovery, System Monitoring, Systems Administration, Web Servers
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Social Media Marketing, Social Media, Social Media Strategy, Social Media Campaigns, Instagram, Facebook, Brand Awareness, Marketing, Content Marketing, Marketing Strategy and Techniques, Marketing Analytics, Web Analytics, Drive Engagement, Business
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Frontend Integration, Web Components, JavaScript Frameworks, Microarchitecture, Web Development Tools, Front-End Web Development, CI/CD, Web Design, Secure Coding, Software Design, Scalability, Server Side, Maintainability, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Virtual Networking, Cloud Computing Architecture, Cloud Computing, Application Deployment, Network Infrastructure, Virtual Machines, Firewall, Virtual Private Networks (VPN), Network Planning And Design, Network Routing, Cloud Storage, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Web Scraping, Relational Databases, Statistical Software, Data Import/Export, R Programming, MySQL, Data Capture, Microsoft Excel
Intermediate · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Infrastructure as Code (IaC), Terraform, Amazon Web Services, Amazon Elastic Compute Cloud, Cloud Infrastructure, Amazon S3, Infrastructure Security, Command-Line Interface, Development Environment, Multi-Factor Authentication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Infrastructure, Application Deployment, API Design, Cloud Computing Architecture, Microservices, Kubernetes, Google Cloud Platform, Restful API, Cloud Computing, CI/CD, Service Level Agreement, Cloud Storage, Network Architecture, DevOps, Cloud Security, Load Balancing, System Design and Implementation, Key Performance Indicators (KPIs), Scalability, System Monitoring
Advanced · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, NumPy, Embeddings, Data Visualization, Natural Language Processing, Semantic Web, Data Manipulation, Linear Algebra, Seaborn, Deep Learning, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Python Programming, Text Mining, Data Science, Data Processing, Applied Machine Learning, Unstructured Data, Markov Model, Data Preprocessing
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Version Control, GitHub, Git (Version Control System), Data Transformation, Data Science, Data Analysis, R (Software), Data Processing, R Programming, Rmarkdown, Software Installation, Command-Line Interface
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Marketing Design, Graphic and Visual Design Software, Graphic and Visual Design, Marketing Materials, Creative Design, Graphic Design, Presentations, Promotional Materials, Sustainability Reporting, Content Creation, Video Production, Social Media Marketing, Content Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cyber Risk, Cyber Security Strategy, Risk Mitigation, Risk Management Framework, Cybersecurity, Security Management, Risk Analysis, Security Strategy, Information Management, Law, Regulation, and Compliance, Financial Services, Data Security, Asset Protection, Business Continuity, Digital Assets
Intermediate · Course · 1 - 4 Weeks