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: Network Infrastructure, General Networking, Network Protocols, Network Routers, Network Architecture, Internet Of Things, Wireless Networks, Local Area Networks, Wide Area Networks, Network Switches, Network Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Cloud Computing, Network Monitoring, Command-Line Interface, Cloud Services, General Networking, Linux, Windows PowerShell, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Data Wrangling, Statistical Analysis, Data Analysis, Model Evaluation, Data Transformation, R Programming, Data Visualization, Regression Analysis, Predictive Modeling, Data Manipulation, Data Science, Box Plots, Statistical Modeling, Predictive Analytics, Correlation Analysis, Tidyverse (R Package), Data Cleansing, Data Preprocessing, Data Import/Export
Intermediate · Course · 1 - 3 Months

Alibaba Cloud Academy
Skills you'll gain: Relational Databases, Load Balancing, Data Visualization Software, Cloud Security, Network Security, Cloud Computing, Big Data, Database Management, Apache Hadoop, Cloud Infrastructure, Cloud Computing Architecture, Network Architecture, Apache Spark, Data Security, Servers, Apache Hive, Application Security, Distributed Computing, Data Processing, Machine Learning
Beginner · Specialization · 3 - 6 Months

University of Maryland, College Park
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Cyber Governance, Cyber Risk, Cyber Security Assessment, Security Strategy, Cyber Security Policies, Security Management, Security Awareness, Threat Modeling, Information Privacy, Infrastructure Security, Risk Management, Vulnerability Assessments
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft 365, Microsoft Office, Collaborative Software, Microsoft Teams, Productivity Software, Endpoint Security, Microsoft Windows, Automation, Microsoft Outlook, Data Loss Prevention, Data Security, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cloud Computing, Cloud Hosting, Cost Reduction, Cost Management, Database Management, Load Balancing, Virtual Private Networks (VPN), Resource Management
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Generally Accepted Accounting Principles (GAAP), Bookkeeping, Accruals, Accounting, Accounting Records, General Accounting, Regulatory Compliance, Revenue Recognition, Journals
Beginner · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Regression Analysis, Statistical Inference, Statistics, Logistic Regression, R Programming
Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Cybersecurity, Encryption, Public Key Cryptography Standards (PKCS), Brute-force attacks, Data Integrity
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Child Development, Advocacy, Research, Research Methodologies, Social Sciences, Data Collection, Social Network Analysis, Anthropology, Human Development, Nutrition and Diet, Environmental Issue, Biology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Social Media Content, Social Media Marketing, Social Media, Style Guides, Marketing Design, Color Theory, Graphic Design, Design Elements And Principles, Branding, Marketing
Beginner · Guided Project · Less Than 2 Hours