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 Colorado System
Skills you'll gain: Machine Learning Algorithms, Model Training, Human Factors (Security), Machine Learning, Model Evaluation, Artificial Intelligence, Supervised Learning, Predictive Modeling, AI Integrations, Diagnostic Tests, Reinforcement Learning, Descriptive Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Human Resources Software, Human Resources Management and Planning, AI Enablement, Agentic Workflows, People Analytics, Workforce Development, Business Process Automation, Digital Transformation, AI Integrations, Employee Engagement, Recruitment, Constructive Feedback
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Instagram, Facebook, TikTok, Meta Ads Manager, Copywriting, Social Media Marketing, Social Media, Social Media Strategy, Video Production, Social Media Content, Social Media Management, Search Engine Optimization, Paid media, Marketing, Google Ads, Keyword Research, Social Media Campaigns, Advertising, Driving engagement, Advertising Campaigns
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Cloud Computing, Cloud Security, Cloud Services, Cloud Infrastructure, User Provisioning, Role-Based Access Control (RBAC), Cloud Technologies, Cloud Platforms, Cloud Deployment, Amazon Elastic Compute Cloud, Authorization (Computing), Solution Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Convolutional Neural Networks, Model Training, Data Preprocessing, Image Analysis, Predictive Modeling, Deep Learning, Keras (Neural Network Library), Tensorflow, Data Processing, Model Optimization, Computer Vision, Artificial Neural Networks, Recurrent Neural Networks (RNNs), Data Transformation, Financial Forecasting, Applied Machine Learning, Feature Engineering, Statistical Visualization, Python Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Artificial Neural Networks, Tensorflow, Keras (Neural Network Library), Data-Driven Decision-Making, Applied Machine Learning, Machine Learning Software, Deep Learning, Machine Learning, Feature Engineering, Risking, Model Evaluation, Mortgage Loans, Consumer Lending
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Metasploit, Penetration Testing, Exploit development, Exploitation techniques, Threat Modeling, Cyber Security Assessment, Cybersecurity, Operating System Administration, Operating Systems, Hardening, Computer Security, Malware Protection, Vulnerability Assessments, Security Controls, Authorization (Computing), Identity and Access Management, Memory Management, Data Persistence, Computer Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Computer Security Incident Management, Cyber Security Strategy, MITRE ATT&CK Framework, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: WordPress, Ajax, Development Environment, Content Management Systems, Content Management, Secure Coding, Web Development, Data Management, Web Design and Development, PHP (Scripting Language), Database Management, Dashboard Creation, Cascading Style Sheets (CSS), Data Security, Application Security, Javascript, Data Validation
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, Data Analysis, Exploratory Data Analysis, Quantitative Research, R Programming, Statistical Analysis, Histogram, R (Software), Statistical Methods, Statistical Programming, Probability & Statistics, Descriptive Analytics, Statistics, Statistical Software, Data Science
Beginner · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Linux Administration, Version Control, Linux, Git (Version Control System), Linux Commands, Network Troubleshooting, Unix, Operating System Administration, Bash (Scripting Language), Systems Administration, Scripting, User Provisioning, Shell Script, User Accounts, Software Versioning, System Configuration, Unix Shell, Scripting Languages, Package and Software Management, Network Administration
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Risk Analysis, Data-Driven Decision-Making, Strategic Decision-Making, Decision Intelligence, Decision Making, Data Analysis, Risk Management, Analytics, Risk Appetite, Complex Problem Solving, Strategic Thinking, Organizational Strategy, Microsoft Excel, Probability, Quantitative Research
Intermediate · Course · 1 - 4 Weeks