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.

Board Infinity
Skills you'll gain: Data Lakes, Data Processing, Google Cloud Platform, Data Warehousing, Data Integration, Data Management, Data Pipelines, Data Governance, Data Access, Analytics, Data Security, Identity and Access Management, Automation
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Responsible AI, Social Media Analytics, Social Network Analysis, Data Ethics, Driving engagement, Social Impact, Behavioral Economics, Network Analysis, Game Design, Digital Analysis, AI literacy, Social Sciences, Artificial Intelligence, Systems Thinking, Data Collection, Psychology
Intermediate · Course · 1 - 3 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Data Ethics, Data Sharing, Personally Identifiable Information, Clinical Research Ethics, Medical Privacy, Data Management, Healthcare Ethics, Clinical Research, Data Security, Information Privacy, Health Information Management, Encryption
Beginner · Course · 1 - 4 Weeks

British Standards Institution
Skills you'll gain: Responsible AI, Data Ethics, Artificial Intelligence, AI literacy, Data Governance, Risk Management Framework, Risk Management, Operational Risk, Business Risk Management, Compliance Management, Accountability Frameworks, Risk Analysis, Human Factors (Security), Risk Mitigation, Data Quality, Regulatory Compliance, Governance, Human Machine Interfaces, Trustworthiness, Technical Standard
Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Apple iOS, iOS Development, Open Web Application Security Project (OWASP), Swift Programming, Role-Based Access Control (RBAC), Vulnerability Assessments, Mobile Security, Software Testing, Mobile Development, Development Testing, Secure Coding, Authentications, Unit Testing, Application Security, Encryption, Knowledge of Apple Hardware, Security Testing, IT Security Architecture, Network Security, Mobile Development Tools
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Content Performance Analysis, Email Marketing, Performance Reporting, Campaign Management, Driving engagement, Business Reporting, Digital Analysis, Real Time Data, Email Automation, Data-Driven Marketing, Analysis, Customer Engagement, Data-Driven Decision-Making, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: MLOps (Machine Learning Operations), Convolutional Neural Networks, Recurrent Neural Networks (RNNs), Fine-tuning, Containerization, Model Optimization, AI Workflows, Model Evaluation, Model Deployment, Generative AI Agents, LangGraph, Keras (Neural Network Library), Agentic Workflows, Transfer Learning, Artificial Intelligence and Machine Learning (AI/ML), CrewAI, Image Analysis, Large Language Modeling, Natural Language Processing, Python Programming
Advanced · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Decision Making, Mitigation, Data-Driven Decision-Making, Analytical Skills, Analytics, Analysis, Critical Thinking, Continuous Improvement Process
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Software Documentation, Leaflet (Software), Data Wrangling, Data Preprocessing, Technical Documentation, Data Manipulation, Data Cleansing, Package and Software Management, R (Software), Data Visualization Software, Program Development, Code Review, Plot (Graphics), Ggplot2, R Programming, GitHub, Continuous Integration, Software Technical Review, Software Testing
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Data Security, Cloud Security, Amazon S3, Amazon Web Services, AWS Identity and Access Management (IAM), Machine Learning Methods
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Apache Maven, Google Cloud Platform, Docker (Software), Package and Software Management, Build Tools, Network Security
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Feature Engineering, Data Preprocessing, Dataflow, Tensorflow, Applied Machine Learning, Data Transformation, Data Processing, Keras (Neural Network Library), Machine Learning Methods, Data Modeling, Machine Learning, Python Programming, Statistical Methods
Intermediate · Course · 1 - 3 Months