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.

Illinois Tech
Skills you'll gain: Web Analytics, Paid media, Digital Marketing, Email Marketing, Marketing Analytics, Social Media Marketing, Earned Media, Social Media Campaigns, Social Media, Analytics, Owned Media, Digital Advertising, Performance Measurement, Mobile Banking, Data-Driven Decision-Making, Consumer Behaviour, Data Ethics, Key Performance Indicators (KPIs), Data Collection
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Feature Engineering, Data Preprocessing, Dataflow, Tensorflow, Data Processing, Model Evaluation, Keras (Neural Network Library), Applied Machine Learning, Data Transformation, Machine Learning Methods, Machine Learning
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Stakeholder Engagement, Process Mapping, Business Process, Process Analysis, Workflow Management, Business Transformation, Business Analysis, Business Process Management, Stakeholder Analysis, Gap Analysis, Digital Transformation, Requirements Analysis, Continuous Improvement Process, Innovation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Simulations, Visualization (Computer Graphics), Statistical Visualization, R (Software), R Programming, Statistical Modeling, Statistical Programming, Statistical Analysis, Process Analysis, Data Analysis, Test Case
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Facebook, Social Media, Social Media Content, Social Media Marketing, Graphic Design, Marketing Materials, Content Creation, Marketing, Branding
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: R Programming, Ggplot2, Data Visualization, Data Manipulation, Exploratory Data Analysis, Statistical Programming, Data Science, Tidyverse (R Package), Statistical Modeling, Data Analysis, Regression Analysis, Data Structures, Statistical Analysis, Descriptive Statistics, Programming Principles, Data Transformation, Probability & Statistics
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Firewall, Network Security, Cloud Security, Virtual Networking, Cloud Services, Network Administration, Intrusion Detection and Prevention
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Facebook, Online Advertising, Web Analytics, Social Media Marketing, Digital Advertising, User Accounts, Compliance Management
Intermediate · Guided Project · Less Than 2 Hours

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Blockchain, Application Development, Cloud Applications, Payment Systems, Cryptography, Investments, FinTech, Digital Assets, Open Source Technology, Distributed Computing, Microservices, Fundraising and Crowdsourcing, Computing Platforms, E-Commerce, Transaction Processing, Interoperability, Scalability, Governance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Virtual Networking, Computer Networking, Network Architecture, Cloud Infrastructure, Software-Defined Networking, Automation, Google Cloud Platform, Virtual Private Networks (VPN), Cloud Security, Cloud Applications, Wide Area Networks
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Linux Administration, File Systems, Linux, File Management, Firewall, Remote Access Systems, Network Troubleshooting, Command-Line Interface, Unix Commands, System Support, Virtual Machines, Scripting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computer Hardware, Hardware Troubleshooting, Networking Hardware, Desktop Support, USB, Data Storage, Hardware Architecture, System Configuration, Peripheral Devices, Data Storage Technologies, General Networking, Operating Systems, Display Devices
Beginner · Course · 1 - 4 Weeks