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: Network Troubleshooting, Scenario Testing, End User Training and Support, Desktop Support, Hardware Troubleshooting, Help Desk Support, Information Technology, Technical Support, Technical Support and Services, Cloud Computing, Simulations, System Support, Computer Hardware, Computer Networking, Network Security, Operating Systems, Microsoft Windows, Wireless Networks
Beginner · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Data Warehousing, Data Storytelling, SQL, Data Visualization, Database Design, Data Security, Data Migration, Data Governance, Descriptive Statistics, IBM DB2, Cloud Storage, Extract, Transform, Load, Data Management, Relational Databases, Excel Formulas, Databases, Data Architecture, Exploratory Data Analysis, Business Intelligence
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Encryption, Public Key Infrastructure, Cryptography, Network Security, Cybersecurity, Data Security, Cryptographic Protocols, Cyber Attacks, Advanced Encryption Standard (AES), Application Security, Key Management, Information Technology, Computer Security Awareness Training, Cyber Security Strategy, Authentications, Authorization (Computing), Security Controls, Personally Identifiable Information, Cyber Security Policies, Computer Security Incident Management
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Backlogs, Agile Methodology, Scrum (Software Development), User Story, Sprint Retrospectives, Sprint Planning, Agile Project Management, Team Oriented, Project Estimation, Estimation, Cross-Functional Collaboration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Malware Protection, Identity and Access Management, Incident Response, Cybersecurity, Network Security, Threat Detection, Cyber Attacks, Authentications, Security Awareness, Digital Forensics, Security Controls, Infrastructure Security, Multi-Factor Authentication, Human Factors (Security)
Beginner · Course · 1 - 3 Months

IBM
Skills you'll gain: Data Storytelling, Dashboard, Plotly, Data Visualization Software, Web Scraping, Data Visualization, Exploratory Data Analysis, SQL, Unsupervised Learning, Interactive Data Visualization, Supervised Learning, Data Analysis, Jupyter, Model Evaluation, Data Manipulation, Data Literacy, Data Transformation, Generative AI, Professional Networking, Data Import/Export
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Generative AI, Technology Roadmaps, Critical Thinking, Innovation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Metasploit, Exploitation techniques, Cloud Security, Vulnerability Scanning, Cyber Security Assessment, Network Security, Application Security, Vulnerability Assessments, Cybersecurity, Mobile Security, Human Factors (Security), Network Analysis, Scripting, Virtual Machines, Linux, Technical Communication
Advanced · Course · 3 - 6 Months

LearnQuest
Skills you'll gain: Linux, Linux Commands, Ubuntu, Linux Administration, File Management, Command-Line Interface, Servers, Operating Systems, Web Servers, IT Automation, MySQL, Open Source Technology, Service Management
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Unified Modeling Language, File I/O, Visual Basic (Programming Language), Database Management, System Software, Databases, Relational Databases, Algorithms, Computer Architecture, Network Security, Computer Hardware, SQL, Computer Science, Development Environment, Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Microsoft Development Tools, Programming Principles
Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Tensorflow, Deep Learning, Performance Tuning, Machine Learning Methods, Data Preprocessing, Artificial Neural Networks, Model Evaluation, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Cybersecurity, Cyber Security Policies, Cyber Risk, Cyber Attacks, Cyber Governance, Cyber Security Strategy, Security Management, Infrastructure Security, Data Security, Threat Modeling, Computer Security, Security Awareness, Risk Management, Enterprise Security, Vulnerability, Governance, General Networking, Public Safety and National Security, Threat Detection, Artificial Intelligence
Beginner · Specialization · 3 - 6 Months