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 London
Skills you'll gain: Cryptography, Application Security, Cybersecurity, Data Security, Encryption, Vulnerability Assessments, Information Systems Security, Cyber Attacks, Key Management, Infrastructure Security, Public Key Infrastructure, Authentications, Mobile Security, Data Integrity, Algorithms
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Biostatistics, Statistical Analysis, R (Software), R Programming, Statistical Methods, Data Wrangling, Regression Analysis, Exploratory Data Analysis, Time Series Analysis and Forecasting, Logistic Regression, Probability & Statistics, Descriptive Statistics, Model Evaluation, Public Health
Intermediate · 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

University of Toronto
Skills you'll gain: Computer Vision, Convolutional Neural Networks, Image Analysis, Deep Learning, Artificial Neural Networks, Robotics, Machine Learning Algorithms, Linear Algebra
Advanced · Course · 1 - 3 Months

Aptly
Skills you'll gain: TikTok, Content Performance Analysis, Business Marketing, Social Media Marketing, Content Creation, Online Advertising, Storytelling, Social Media Strategy, Social Media, Marketing Strategies, Performance Measurement, Content Marketing, Video Editing, Video Production, Social Media Content, Advertising, Digital Media Strategy, Advertising Campaigns, Performance Analysis, Marketing
Beginner · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Penetration Testing, Brute-force attacks, Cyber Operations, Scripting, Cybersecurity, Vulnerability Assessments, Python Programming, Network Analysis, Automation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Digital Assets, Financial Inclusion, Transportation, Supply Chain, and Logistics, Supply Chain, Governance, Supply Chain Management, Business Transformation, FinTech, Supply Chain Systems, Business Analysis, Market Opportunities, Competitive Analysis, Interoperability, Business Leadership, Strategic Partnership, Emerging Technologies, Strategic Leadership, Stakeholder Analysis, Market Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: NoSQL, MongoDB, Databases, Apache Cassandra, Distributed Computing, Database Management, Database Architecture and Administration, IBM Cloud, Query Languages, Data Modeling, JSON, Scalability, Data Manipulation
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Model Evaluation, Predictive Modeling, Data Science, Analytical Skills, Data Analysis, Data Presentation, Data Collection, Data Storytelling, Data Cleansing, Statistical Analysis, Data Manipulation, Data Preprocessing, R Programming, Machine Learning, Natural Language Processing
Mixed · Course · 1 - 3 Months

Edureka
Skills you'll gain: Cloud-Native Computing, Grafana, Web Services, Web Applications, Software Architecture, Development Environment, Object Oriented Design, CI/CD, Programming Principles, Computer Programming, Program Development, Network Security, Other Programming Languages, Software Development Tools, Data Structures, Data Sharing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Network Security, Network Troubleshooting, Software-Defined Networking, Network Monitoring, Threat Modeling, Virtual Networking, TCP/IP, Network Architecture, Computer Networking, Network Performance Management, Network Protocols, General Networking, Cybersecurity, Network Infrastructure, Local Area Networks, Network Analysis, OSI Models, Network Switches
Build toward a degree
Beginner · Course · 1 - 3 Months

ISC2
Skills you'll gain: Authentications, Authorization (Computing), Role-Based Access Control (RBAC), Identity and Access Management, Security Controls, User Provisioning, Data Access, Security Awareness, Multi-Factor Authentication
Beginner · Course · 1 - 4 Weeks