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: Tidyverse (R Package), Rmarkdown, R Programming, Ggplot2, Data Import/Export, Data Visualization, Data Manipulation, Data Visualization Software, Data Analysis, Data Science, Data Storytelling, Statistical Analysis, Relational Databases, Data Cleansing, Data Transformation, Statistical Programming, Data Integration, Software Installation, Programming Principles, Communication
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Oracle Databases, Database Administration, Relational Databases, Database Management Systems, Database Architecture and Administration, Data Import/Export, Patch Management, Database Systems, Operational Databases, Multi-Tenant Cloud Environments, Data Migration, Database Management, Data Storage Technologies, Software Installation, Performance Tuning, User Accounts, System Configuration, SQL, Virtual Environment, Disaster Recovery
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Vulnerability Assessments, Vulnerability Management, Vulnerability Scanning, Cyber Security Assessment, Hardening, Threat Management, Patch Management, Cyber Risk, Continuous Monitoring, Threat Detection, Cyber Threat Hunting, Application Security, Security Controls, Cyber Attacks, Cyber Engineering, Cyber Security Policies, Network Security, Cyber Security Strategy, Network Engineering, Web Applications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Technical Communication, English Language, Health Technology, Technology Solutions, Telecommuting, Language Learning, End User Training and Support, Vocabulary, Oral Comprehension, Education Software and Technology, Grammar, Emerging Technologies, Data Security
Mixed · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Professional Networking, Leadership Development, Relationship Building, Rapport Building, Business Consulting, Relationship Management, Consulting, Amazon Web Services, Technical Consulting, Continuous Improvement Process, Business Relationship Management, Project Management, Brand Management, Analysis, Active Listening, Requirements Analysis
Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Persona Development, Smart Goals, Target Audience, Social Media Strategy, Social Media Marketing, Performance Measurement, Digital Media Strategy, Social Media, Marketing Strategies, B2B Sales, Marketing Planning, Marketing, Content Development and Management, Customer Analysis, Key Performance Indicators (KPIs), Calendar Management
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Prompt Engineering, Responsible AI, Prompt Engineering Tools, Computer Vision, Machine Learning Algorithms, Data Wrangling, Deep Learning, Artificial Intelligence, Cloud Security, Amazon Elastic Compute Cloud, Embeddings, Model Deployment, MLOps (Machine Learning Operations), Artificial Intelligence and Machine Learning (AI/ML), Data Security, Amazon S3, Data Governance, Governance, Encryption, Public Cloud
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Blockchain, Supply Chain, Supply Chain Management, Business Transformation, Emerging Technologies, Logistics Management, Internet Of Things, Business Process Automation, Digital Transformation, Interoperability, Asset Management, Fraud detection, Governance
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: File Systems, Digital Forensics, Microsoft Windows, File Management, Operating Systems, Data Structures, Data Validation, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Growth Strategies, Performance Measurement
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Journals, Organizational Skills, Document Management, Information Architecture, Content Management, Network Analysis, System Configuration
Beginner · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Health Assessment, Chemistry, Risk Analysis, Sustainable Engineering, Personal Care, Environmental Engineering, Product Lifecycle Management, Environmental Regulations, Environmental Science, Child Health
Intermediate · Course · 1 - 4 Weeks