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 Illinois Urbana-Champaign
Skills you'll gain: Blockchain, Cryptography, FinTech, Organizational Structure, Governance, Emerging Technologies, Web Applications, Payment Systems, Transaction Processing, Distributed Computing, Digital Assets, Regulation and Legal Compliance, Ledgers (Accounting), Data Security, Case Studies
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Ubuntu, Lightweight Directory Access Protocols, File Systems, Linux, Linux Commands, Bash (Scripting Language), Linux Servers, Firewall, Virtual Machines, Package and Software Management, Virtualization, Remote Access Systems, Unix, File Management, Operating System Administration, Unix Shell, Shell Script, Containerization, Git (Version Control System)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: OSI Models, TCP/IP, Network Monitoring, Network Protocols, Network Troubleshooting, Network Security, Network Administration, Network Analysis, Cyber Security Assessment, Linux
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Infrastructure, Prompt Engineering, Google Cloud Platform, Infrastructure As A Service (IaaS), Cloud Applications, Identity and Access Management, Generative AI, Kubernetes, Cloud Computing, Cloud Storage, Virtual Machines, Network Infrastructure, Containerization, Serverless Computing, Platform As A Service (PaaS), Virtual Networking, Load Balancing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Splunk, Dashboard, Data Transformation, Data Manipulation, Data Analysis, Statistical Analysis, Query Languages, Data Visualization Software, Ad Hoc Reporting, Real Time Data, Data Modeling, Continuous Monitoring, Taxonomy
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Security Requirements Analysis, Requirements Analysis, Risk Management Framework, Risking, User Requirements Documents, Scalability, Verification And Validation, Software Visualization, Safety and Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Marketing Design, Social Media Marketing, Social Media Content, Social Media, Marketing Materials, Color Matching, Graphic Design, Design, User Accounts
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Data Wrangling, R (Software), Data Cleansing, Data Transformation, Data Manipulation, R Programming, Data Science, Exploratory Data Analysis, Data Analysis, Data Management, File Management, Data Visualization, Data Import/Export
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Web Design and Development, Web Applications, Browser Compatibility, User Experience Design, Requirements Analysis, Client Services, Javascript
Mixed · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Big Data, Data Mining, Data-Driven Decision-Making, Marketing Automation, Marketing Strategies, Customer experience strategy (CX), Digital Transformation, Marketing Analytics, Ggplot2, Marketing, Data Visualization Software, Plot (Graphics), Data Modeling, R Programming, Analytics, Data Science, Data Analysis, Innovation, Business Analytics, Data Manipulation
Beginner · Specialization · 1 - 3 Months

Accenture
Skills you'll gain: Data Literacy, Computer Literacy, Microsoft Excel, digital literacy, Data Analysis, Data-Driven Decision-Making, Emerging Technologies, Data Collection, Computer Security Awareness Training, Digital Communications, Computer Programming, Productivity Software, Web Development, Information Technology, Business Technologies, Javascript, Python Programming, Blockchain, Cloud Computing, Computer Hardware
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Controls, IT General Controls (ITGC), Cloud Security, Cloud Computing, Cyber Security Assessment, Cybersecurity, ISO/IEC 27001, Control Objectives for Information and Related Technology (COBIT), Risk Management Framework, Data Security, Identity and Access Management, Incident Response, Technical Communication
Intermediate · Course · 3 - 6 Months