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 Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Regression Analysis, Statistical Programming, R (Software), Probability Distribution, Statistical Analysis, R Programming, Data Import/Export, Statistical Software, Probability & Statistics, Statistical Modeling, Statistical Methods, Tidyverse (R Package), Plot (Graphics), Statistics, Data Manipulation, Data Analysis, Statistical Inference, Data Wrangling
★ 4.8 (6) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Content Creation, Target Market, Social Media, Social Media Marketing, Social Media Content, Content Scheduling, Online Advertising, Social Media Strategy, Brand Strategy, Brand Marketing, Instagram, Social Media Management, Social Media Campaigns, Branding, Digital Content, Customer Analysis, Digital Advertising, Advertising Campaigns, Content Marketing, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Javascript and jQuery, Extensible Markup Language (XML), Web Applications, Javascript, Event-Driven Programming, Network Protocols
★ 3.9 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: R (Software), R Programming, Statistical Hypothesis Testing, Plot (Graphics), Ggplot2, Data Visualization, Data Manipulation, Exploratory Data Analysis, Statistical Programming, Statistical Visualization, Data Science, Tidyverse (R Package), Statistical Methods, Statistical Modeling, Data Analysis, Regression Analysis, Data Structures, Data Wrangling, Statistical Analysis, Descriptive Statistics
★ 4.5 (15) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Mapping, Configuration Management, Jira (Software), Reconciliation, Systems Integration, Issue Tracking, Data Integration, Project Management Software, Workflow Management, Data Maintenance, Continuous Monitoring, Project Documentation
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Role-Based Access Control (RBAC), Azure Active Directory, Authentications, Identity and Access Management, User Provisioning, Microsoft Azure, Multi-Factor Authentication, User Accounts, Proxy Servers
★ 3.6 (8) · Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Data Pipelines, Extract, Transform, Load, Data Lakes, Databricks, Data Architecture, Data Processing, Data Wrangling, Data Strategy, Data Presentation, Data Mining, Data Management, Data Governance, Data Integrity, Data Science, Live Streaming, SQL, Data Storage, Data Ethics, Data Security, Apache
Beginner · Course · 1 - 4 Weeks

ISC2
Skills you'll gain: Cloud Security, Zero Trust Network Access, Hybrid Cloud Computing, Cloud Computing, Cloud Management, Cloud Services, Cloud Solutions, Security Strategy, Scalability, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Network Analysis, Statistical Modeling, Applied Machine Learning, Bayesian Network, R (Software), R Programming, Social Network Analysis, Statistical Methods, Simulations, Network Model, Statistical Analysis, Probability & Statistics, Statistical Programming, Probability Distribution, Sampling (Statistics), Data Visualization, Machine Learning, Statistical Hypothesis Testing
Intermediate · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Cyber Governance, Cyber Risk, Business Priorities, Security Strategy, Computer Security Awareness Training, Enterprise Security, Security Awareness, Security Management, Regulatory Compliance, Compliance Management, Risk Management, Initiative and Leadership
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: File Management, Document Management, Document Control, Authorization (Computing), Auditing, Records Management, Compliance Auditing, Organizational Skills, Security Controls, Version Control, Procurement, Identity and Access Management, Project Documentation, Data Governance
Beginner · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Dashboard Creation, Dashboard, Data Literacy, Incident Management, Information Management, Event Monitoring, Data Processing, Query Languages, Business Intelligence, Data Management, Data Analysis, Big Data, Business Analytics
★ 4.8 (26) · Beginner · Course · 1 - 3 Months