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.

Skills you'll gain: Incident Response, Business Continuity, Disaster Recovery, Cybersecurity, Security Management, Computer Security Incident Management, Crisis Management, Information Assurance
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Knitr, Data Sharing, General Science and Research, Statistical Reporting, Data Analysis, Statistical Analysis, Data Validation, Exploratory Data Analysis, R Programming, Technical Communication, GitHub, Git (Version Control System), Software Documentation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, Computer Networking, Systems Administration, IT Infrastructure, File Systems, Network Troubleshooting, Information Systems Security, Network Security, OSI Models, Hardening, TCP/IP, Cybersecurity, Microsoft Windows, Application Security, Operating Systems, Lightweight Directory Access Protocols, Server Administration, Technical Support, Computer Hardware, Information Technology
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Job Control Language (JCL), Mainframe Computing, z/OS, Virtualization, Unix, IBM DB2, IBM Cloud, Data Management, Virtual Machines, Data Storage, Operating System Administration, Infrastructure Architecture, System Programming, Operating Systems, Unix Commands, File Systems, Linux, Computer Architecture, Control Panels, Command-Line Interface
Intermediate · Professional Certificate · 1 - 3 Months
Google Cloud
Skills you'll gain: Gmail, Google Workspace, Email Security, Productivity Software, Organizational Skills, Business Communication, Business Solutions, Data Import/Export
Beginner · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, MITRE ATT&CK Framework, Threat Management, Cybersecurity, Cyber Security Strategy, Application Security, Threat Detection, Security Strategy, Microsoft Azure, Cloud Security, Internet Of Things, Secure Coding, Network Security, Vulnerability Assessments, Identity and Access Management, Asset Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Bash (Scripting Language), Network Monitoring, Exploit development, Intrusion Detection and Prevention, System Configuration, Digital Forensics, Virtual Machines
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, SQL, Database Management, Data Access, Databases, Database Systems, Java, Java Programming, JUnit
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Matplotlib, Data Manipulation, Pandas (Python Package), Data Visualization, Data Persistence, NumPy, Data Processing, Scripting, Object Oriented Programming (OOP), Python Programming, Query Languages, Database Application, Databases, Relational Databases, Object Oriented Design, Data Import/Export, Debugging
Beginner · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Reinforcement Learning, Deep Learning, Feature Engineering, Machine Learning Algorithms, Machine Learning, Supervised Learning, Artificial Neural Networks, Pseudocode, Linear Algebra, Probability Distribution
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Network Performance Management, Software-Defined Networking, Network Administration, Network Routing, Wide Area Networks, Network Monitoring, Disaster Recovery, Virtual Networking, Performance Tuning, General Networking, Network Engineering, Network Planning And Design, Network Troubleshooting, Network Security, Cyber Security Assessment, Vulnerability Scanning, Continuous Monitoring, Security Management, Patch Management, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Accounts Receivable, QuickBooks (Accounting Software), Cash Flow Forecasting, Cash Management, Document Management, Accounting Records, Invoicing, Billing & Invoicing, Record Keeping
Beginner · Course · 1 - 4 Weeks