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.

Coursera
Skills you'll gain: Microsoft Azure, Internet Of Things, Cloud Services, Network Routing, Data Store, Data Storage, Cloud Solutions
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Computer Vision, Model Evaluation, PyTorch (Machine Learning Library), Supervised Learning, Unsupervised Learning, Image Analysis, Applied Machine Learning, Data Preprocessing, Dimensionality Reduction, Reinforcement Learning, Feature Engineering, Machine Learning Algorithms, Convolutional Neural Networks, Regression Analysis, Data Processing, Machine Learning, Predictive Modeling, Data Mining, Deep Learning, Artificial Neural Networks
Intermediate · Specialization · 3 - 6 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Recruitment, Professional Networking, Applicant Tracking Systems, Recruitment Strategies, Relationship Building, Talent Acquisition, Talent Pipelining, Human Resources, Talent Sourcing, Compliance Management, Regulatory Requirements, Interviewing Skills, Labor Law, Value Propositions
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Statistical Modeling, Exploratory Data Analysis, R Programming, Predictive Modeling, Statistical Hypothesis Testing, Tidyverse (R Package), Data Analysis, Data Modeling, Regression Analysis, Data Science, Classification And Regression Tree (CART), Statistical Inference, Statistical Analysis, Rmarkdown, Data Preprocessing, Statistical Methods, Model Evaluation, Machine Learning
Mixed · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: JUnit, File I/O, Unit Testing, Program Development, Debugging, Java, Maintainability, Software Development, Secure Coding, Software Testing, Test Case, Authentications, Application Security, Cryptography, Object Oriented Programming (OOP), Eclipse (Software), Integrated Development Environments, Encryption, Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Instagram, Social Media Content, Graphic Design, Graphic and Visual Design, Social Media Marketing, Organizational Skills, Marketing Design, Typography, Color Theory, Business Strategy
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Social Media Marketing, Social Media, Key Performance Indicators (KPIs), Social Media Content, Brand Awareness, Marketing Analytics, Social Media Campaigns, Digital Advertising, Customer Engagement, Advertising, Market Analysis, Performance Analysis, Analysis, Digital Marketing, Marketing Communications
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Fundraising, Goal Setting, Campaign Management, Promotions and Campaigns, Project Design, Drive Engagement, Content Creation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Risk Management, Risk Management Framework, Infrastructure Security, Safety Assurance, Threat Modeling, Information Systems Security, Security Controls, Security Engineering, Security Requirements Analysis, Safety Standards, Safety and Security, Cybersecurity, Cyber Security Strategy, Continuous Monitoring, Cyber Risk, Hardening, Vulnerability Assessments, Cyber Security Policies, Cyber Security Assessment, Industrial Design
Beginner · Course · 1 - 3 Months
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), Cloud API, Restful API, Server Side, JSON, Software Documentation, Javascript, Web Services, Application Security
Intermediate · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Ansible, YAML, IT Automation, Infrastructure as Code (IaC), Devops Tools, Scripting, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Wide Area Networks, Network Troubleshooting, Network Monitoring, Software-Defined Networking, Virtual Networking, Network Performance Management, Firewall, Amazon Web Services, Cloud Services, Software As A Service, TCP/IP, Cloud Technologies, Network Security, Intrusion Detection and Prevention
Beginner · Course · 1 - 4 Weeks