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: SQL, Data Cleansing, Jupyter, Data Literacy, Data Mining, Data Manipulation, Data Preprocessing, R (Software), Business Analysis, Model Deployment, Model Evaluation, Database Management, Relational Databases, Stored Procedure, R Programming, Data Science, Data Processing, Big Data, Computer Programming Tools, Python Programming
★ 4.6 (102K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Financial Forecasting, Forecasting, Demand Planning, Revenue Forecasting, Financial Data, Trend Analysis, Financial Modeling, Time Series Analysis and Forecasting, Contingency Planning, Responsible AI, Budgeting, Data-Driven Decision-Making, Advanced Analytics, Predictive Analytics, Decision Intelligence, Financial Analysis, Prompt Engineering, Financial Planning, Decision Support Systems, Performance Stress Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Responsible AI, Generative Engine Optimization (GEO), Prompt Patterns, ChatGPT, Generative AI, Digital Advertising, Email Automation, Email Marketing, Content Performance Analysis, Data Ethics, Digital Marketing, Search Engine Optimization, Personalized Campaigns, Marketing Automation, Content Optimization, Digital Marketing Tools, AI Personalization, AI literacy, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.7 (12K) · Beginner · Specialization · 3 - 6 Months

Kennesaw State University
Skills you'll gain: Risk Management, Cyber Governance, Cost Benefit Analysis, Security Management, Risk Management Framework, Vulnerability Management, Cyber Attacks, Cybersecurity, Threat Management, Cyber Risk, Risk Analysis, Enterprise Risk Management (ERM), Business Risk Management, Risk Mitigation, Vulnerability Assessments, ISO/IEC 27001, Threat Detection, Threat Modeling, Cyber Security Strategy, Security Awareness
★ 4.7 (211) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Operating System Administration, Network Infrastructure, Data Storage, Command-Line Interface, Peripheral Devices, Software Installation, Security Controls, Active Directory, Technical Support and Services, System Configuration
★ 4.7 (65) · Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Shell Script, Linux Administration, Linux, Systems Administration, Operating System Administration, Linux Servers, Web Servers, Apache, Unix Shell, Bash (Scripting Language), Unix Commands, Nginx, Vulnerability Assessments, Virtualization and Virtual Machines, File Systems, File Management, Virtualization, Command-Line Interface, Network Troubleshooting, Linux Commands
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Dashboard, Extract, Transform, Load, Data Storytelling, Data Visualization, Dashboard Creation, Database Design, Presentations, Data Presentation, Descriptive Statistics, IBM DB2, Business Intelligence, Data Visualization Software, Statistical Hypothesis Testing, Tableau Software, Relational Databases, Database Systems, Statistical Visualization, IBM Cognos Analytics, Interactive Data Visualization, Excel Formulas
★ 4.7 (16K) · Beginner · Professional Certificate · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Facebook, Social Media, Safety and Security, digital literacy, Security Awareness, Personally Identifiable Information, Information Privacy, Relationship Building, Social Media Strategy, Social Media Content, Web Presence, User Accounts, UI Components, Online Advertising, Security Controls, Registration, User Interface (UI), Data Sharing, Web Content, Communication
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Bash (Scripting Language), Network Monitoring, Cyber Security Assessment, System Configuration, Digital Forensics
★ 4.7 (65) · Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: SQL, Relational Databases, Database Design, Database Application, Data Integrity, Stored Procedure, Database Architecture and Administration, Database Development, Database Management, Query Languages, Data Store, Performance Tuning, Graph Theory, Data Modeling, Extensible Markup Language (XML), Extensible Languages and XML, Data Access, Application Design, Performance Management, Network Troubleshooting
Advanced · Course · 1 - 3 Months

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
★ 4.7 (3.4K) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Data Visualization, Data Presentation, Data Literacy, Dashboard Creation, Interactive Data Visualization, Business Intelligence, Data Synthesis, Exploratory Data Analysis, Data Wrangling, Data Cleansing, Data Integration, Data Analysis, Analytics, Data Transformation, Stakeholder Communications, Data Quality, Data Sharing, Data Import/Export
Intermediate · Course · 1 - 4 Weeks