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: Routing Protocols, Network Routers, System Configuration, Event Monitoring, Software Architecture, Authentications
Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Public Cloud, Big Data, Data Infrastructure, Apache Hadoop, Apache Spark, Data Architecture, Cloud Computing Architecture, Cloud Platforms, Cloud Services, Data Processing, Distributed Computing, Cloud Computing, Scalability, Data Storage Technologies, NoSQL, Cloud Storage, File Systems, Data Storage
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Analysis, Machine Learning Algorithms, Statistical Analysis, Probability & Statistics, Probability Distribution, R Programming, Machine Learning Methods, Statistical Methods, R (Software), Applied Machine Learning, Statistical Machine Learning, Statistics, Statistical Modeling, Machine Learning, Statistical Inference, Classification Algorithms, Statistical Programming, Correlation Analysis, Data Manipulation, Supervised Learning
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Web Scraping, Data Ethics, Data Transformation, Tidyverse (R Package), Data Wrangling, Data Cleansing, Data Manipulation, Data Collection, Data Pipelines, Data Preprocessing, Data Integration, R (Software), R Programming, Exploratory Data Analysis, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Predictive Modeling, Data Preprocessing, Django (Web Framework), Data Visualization, Plot (Graphics), Predictive Analytics, Statistical Visualization, Model Training, Model Evaluation, File I/O, Application Programming Interface (API), Programming Principles, Databases, Development Environment, Web Applications, Code Reusability, Data Management, Functional Design, Memory Management, Data Validation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cyber Threat Intelligence, Malware Protection, Personally Identifiable Information, Threat Detection, Threat Management, Cybersecurity, Cyber Attacks, Vulnerability Scanning, Information Privacy, Data Security, Security Awareness, Human Factors (Security)
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Game Theory, Cyber Security Strategy, Data-Driven Decision-Making, Decision Intelligence, Cybersecurity, Data Science, Algorithms, Machine Learning
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: User Interface (UI), User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Blockchain, Web Development Tools, Security Controls, React Redux, User Experience Design, Security Strategy, Application Security, Application Development, Web Applications, Development Environment, Software Development Tools, Front-End Web Development, Application Frameworks, Frontend Integration, Context Management, Transaction Processing, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Frontend Performance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Facebook, Social Media, Social Media Management, Social Media Marketing, Personalized Service, Customer Communications Management, Web Presence, Drive Engagement, Branding, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, API Testing, Test Script Development, Restful API, Test Automation, JSON, Scalability, Application Programming Interface (API), Test Case, Java Programming, Test Data, Authentications, Java
Mixed · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Cyber Attacks, Threat Detection, Exploitation techniques, Malware Protection, Security Awareness, SQL, Databases
Beginner · Course · 1 - 4 Weeks