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.

Coursera
Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Cloud Storage, Version Control, Encryption, Data Storage, Cloud Security
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Biostatistics, Bioinformatics, Exploratory Data Analysis, Statistical Analysis, Statistical Methods, Statistical Hypothesis Testing, Statistical Modeling, Statistics, R Programming, Probability & Statistics, Data Preprocessing, Data Analysis, Statistical Inference, Regression Analysis, Data Pipelines, Data Transformation, Data Processing, Logistic Regression
Mixed · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authentications, Key Management, Data Security, Cloud Applications, Cloud Services, Application Security, Authorization (Computing), Cyber Risk, Secure Coding, Cloud Storage, Personally Identifiable Information, DevSecOps, General Data Protection Regulation (GDPR), Network Security, Information Privacy, Continuous Monitoring, Computer Security, Cryptography
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Database Design, Database Development, LLM Application, Software Design Patterns, Databases, OpenAI API, Application Design, AI Integrations, Software Design, Software Architecture, AI Security, System Design and Implementation, Large Language Modeling, Object Oriented Design, Software Development, Query Languages, Secure Coding, Application Programming Interface (API), Performance Tuning
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, AI Security, Software Quality (SQA/SQC), Performance Stress Testing, Software Development Methodologies, Regression Testing, AI Integrations, Maintainability, Code Review, Scalability, Automation, Code Coverage, Software Technical Review, DevOps, Security Testing
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Generally Accepted Accounting Principles (GAAP), Bookkeeping, Accruals, Accounting, Accounting Records, Balancing (Ledger/Billing), General Accounting, Regulatory Compliance, Revenue Recognition, Journals
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Business Analytics, Data Presentation, Analytics, Interactive Data Visualization, Data Literacy, Data Analysis, Analytical Skills, Big Data, Asset Management, Business Analysis, Feasibility Studies, Business Modeling, Intellectual Property, Data Quality, Information Management, Network Model, Data Strategy, Data-Driven Decision-Making, Business Intelligence
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Institute for the Future
Skills you'll gain: Forecasting, Systems Thinking, Responsible AI, Strategic Thinking, Creative Problem-Solving, Creative Thinking, Collaboration, Interviewing Skills, Emerging Technologies, Ideation, Strategic Planning, Innovation, Ethical Standards And Conduct, Empathy, Discussion Facilitation, Creativity
Beginner · Course · 1 - 3 Months
Skills you'll gain: IT Security Architecture, Network Troubleshooting, Information Systems Security, Systems Administration, IT Infrastructure, Computer Networking, OSI Models, Cloud Infrastructure, Routing Protocols, Package and Software Management, Cloud Management, Operating System Administration, Network Security, Application Security, Help Desk Support, Desktop Support, Network Protocols, Cloud Computing, Customer Service, Debugging
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Meta Ads Manager, Target Audience, Facebook, Campaign Planning, Advertising Campaigns, Social Media Campaigns, Campaign Management, Social Media, Social Media Management, Paid media, Online Advertising, Social Media Marketing, Advertising, Digital Advertising, Marketing, Digital Marketing, Budgeting, Cost Management
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Cryptography, Cybersecurity, Encryption, Public Key Cryptography Standards (PKCS), Data Integrity
Beginner · Course · 1 - 4 Weeks

Alibaba Cloud Academy
Skills you'll gain: Relational Databases, Plot (Graphics), Load Balancing, Data Visualization Software, Cloud Security, Network Security, Cloud Management, Cloud Computing, Database Systems, Cloud Hosting, Database Management Systems, Big Data, Database Management, General Networking, Apache Hadoop, Cloud Infrastructure, Operating System Administration, Network Architecture, Apache Spark, Machine Learning
Beginner · Specialization · 3 - 6 Months