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.

LearnQuest
Skills you'll gain: Recognizing Others, Sales Management, Team Motivation, Employee Onboarding, Conflict Management, Team Leadership, Sales Process, Employee Performance Management, Virtual Teams, Team Management, Teamwork, Intercultural Competence, Performance Management, Cross-Functional Team Leadership, Motivational Skills, Collaboration, Rapport Building, Smart Goals, Workflow Management, Goal Setting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Persuasive Communication, Storytelling, Presentations, Data Visualization, Communication, Marketing Analytics, Business Priorities, Data-Driven Decision-Making, User Feedback, Google Analytics, Stakeholder Communications, Strategic Decision-Making, Constructive Feedback
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Tensorflow, Keras (Neural Network Library), Model Evaluation, Transfer Learning, Natural Language Processing, Data Preprocessing, Deep Learning, Data Pipelines
Intermediate · Guided Project · Less Than 2 Hours

Universidad de los Andes
Skills you'll gain: Unified Modeling Language, Software Visualization, Diagram Design, Software Design, Object Oriented Design, Software Engineering, Requirements Analysis
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Personalization, Business Logic, Application Development, C# (Programming Language), Computer Programming, Programming Principles, Data Structures, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, User Accounts, Unix Commands, Unix, Bash (Scripting Language), Command-Line Interface, Kubernetes, Git (Version Control System), GitHub, OS Process Management, Firewall, Ubuntu, Docker (Software), Containerization, Network Monitoring, Unix Shell, File Systems, Shell Script, TCP/IP, Version Control
Beginner · Specialization · 3 - 6 Months

National Taiwan University
Skills you'll gain: Hazard Analysis, Risk Analysis, Food Safety and Sanitation, Food Quality Assurance And Control, Risk Management, Safety Standards, Emergency Response, Safety and Security, Case Studies, Media and Communications
Intermediate · Course · 1 - 3 Months
Skills you'll gain: File Systems, Operating Systems, Unix, Data Integrity, Debugging, File I/O, Linux, Distributed Computing, Data Storage, C (Programming Language), System Programming, Command-Line Interface, Data Security, Computer Hardware, Scalability
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Database Design, Software Design, Usability Testing, User Interface and User Experience (UI/UX) Design, Software Architecture, Software Design Patterns, Database Management, Systems Design, Application Security, Design Strategies, Operating Systems
Intermediate · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: NoSQL, Big Data, Model Evaluation, Apache Hadoop, Recurrent Neural Networks (RNNs), Deep Learning, Statistical Analysis, Data Visualization, Data Analysis, Exploratory Data Analysis, Apache Spark, Generative AI, Convolutional Neural Networks, Transfer Learning, Data Infrastructure, Data Cleansing, Real Time Data, Apache Kafka, Data Management, Machine Learning
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Starweaver
Skills you'll gain: Business Process Automation, Automation, Business Process, IT Automation, Workflow Management, Robotic Process Automation, Business Workflow Analysis, Business Technologies, Operational Efficiency, Compliance Management, Security Controls, Continuous Improvement Process, Return On Investment, Change Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Linux Servers, User Accounts, Virtualization, Linux Administration, Lightweight Directory Access Protocols, Network Performance Management, Virtualization and Virtual Machines, Group Policy, Server Administration, Performance Tuning, Virtual Machines, Systems Administration, Linux, Network Administration, Network Security, Security Management, Cybersecurity, Disaster Recovery, Large Language Modeling
Intermediate · Specialization · 1 - 4 Weeks