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: Content Optimization, Driving engagement, Content Creation, Video Production, Data Storytelling, Performance Analysis, Social Media Management, Social Media Content, Content Development and Management, Content Marketing, Digital Publishing, Video Editing, Performance Measurement, Post-Production, Branding, Performance Improvement, Key Performance Indicators (KPIs), Workflow Management
Beginner · Course · 1 - 4 Weeks
University of California San Diego
Skills you'll gain: Statistical Analysis, Experimentation, Usability Testing, Usability, User Experience Design, Statistical Programming, Statistical Hypothesis Testing, Data Analysis, Statistical Methods, UI/UX Research, R Programming, User Experience, Data Collection, Human Computer Interaction, Statistics, Data Validation, Statistical Modeling, Regression Analysis, Logistic Regression
★ 3.6 (596) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Conversion Funnel Analysis, Data Preprocessing, Apache Airflow, Star Schema, Data Storytelling, Extract, Transform, Load, Data Transformation, SQL, Data Pipelines, JSON, Apache Kafka, Data Warehousing, Data Modeling, Pandas (Python Package), Business Intelligence, Data Validation, Data Quality, Performance Improvement, Python Programming
Intermediate · Specialization · 3 - 6 Months

The State University of New York
Skills you'll gain: Emergency Response, Mitigation, Safety and Security, Health Disparities, Hazard Communication (HazCom), Risk Management, Social Determinants Of Health, Community Health, Media and Communications, Public Health, Risk Analysis, Vulnerability, Community Outreach, Persuasive Communication
★ 4.7 (232) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Lakes, Data Governance, Data Architecture, Data Management, Data Infrastructure, Data Storage, Cloud Storage, Database Management, Data Warehousing, Data Storage Technologies, Data Access, Metadata Management, NoSQL, Star Schema, Data Quality, Google Cloud Platform, Query Languages, Data Integration, Data Processing, Application Programming Interface (API)
★ 4.2 (44) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Agentic Workflows, Agentic systems, Contract Compliance, Organizational Change, Legal Technology, Change Management, Contract Review, Regulatory Compliance, AI Workflows, AI Integrations, AI Enablement, Law, Regulation, and Compliance, Compliance Management, Generative AI Agents, Regulatory Requirements, Scalability, Artificial Intelligence, Process Design, Risk Analysis
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Flutter (Software), UI Components, Mobile Development, Google Cloud Platform, User Interface (UI), Application Development, Cross Platform Development, Web Development, Network Security
★ 4.1 (15) · Beginner · Project · Less Than 2 Hours
University of California, Irvine
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Public Key Infrastructure, Key Management, Transaction Processing, Authentications, Data Security, Information Privacy, Data Integrity
★ 4.5 (53) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Data Loss Prevention, Endpoint Security, Microsoft Azure, Cloud Security, Active Directory, Endpoint Detection and Response, Authentications, Multi-Factor Authentication, Data Security, User Provisioning, Security Controls, Threat Management, Role-Based Access Control (RBAC), Data Governance, Threat Detection, User Accounts
★ 4.4 (23) · Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Tableau Software, Dashboard, LinkedIn, Storytelling, Dashboard Creation, Interactive Data Visualization, Professional Networking, Data Visualization Software, Report Writing, Technical Communication, Power BI, Relationship Building, Interviewing Skills, Job Analysis
★ 4.8 (33) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Mammography, Model Evaluation, Model Training, Artificial Intelligence, Bayesian Network, Image Analysis, AI Product Strategy, Machine Learning Methods, Oncology, Artificial Neural Networks, Medical Imaging, Machine Learning, Applied Machine Learning, Deep Learning, Epidemiology
★ 4.6 (81) · Intermediate · Course · 1 - 4 Weeks

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Internet Of Things, Cloud Applications, Cloud Development, Cloud Platforms, IBM Cloud, Application Development, Cloud Services, Cloud Technologies, Cloud Computing, Google Cloud Platform, Computing Platforms, Cloud-Based Integration, Microsoft Azure, AI Integrations, Amazon Web Services, Emerging Technologies, Network Protocols
★ 4.3 (323) · Beginner · Course · 1 - 3 Months