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.

Nanjing University
Skills you'll gain: Debugging, Computer Systems, Computer Architecture, Microarchitecture, System Programming, System Software, Computational Logic, Programming Principles, Hardware Architecture, Data Storage, Operating Systems, Secure Coding, Data Structures, Application Security, Memory Management, Exploit development
★ 4.7 (59) · Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: B2B Sales, Consultative Selling, Consultative Approaches, Sales Presentation, Stakeholder Engagement, Enterprise Sales, Performance Metric, Stakeholder Management, Stakeholder Communications, Sales Presentations, Selling Techniques, Verbal Communication Skills, Performance Measurement, Oral Expression, Sales, Executive Presence, Sales Process, Sales Pipelines, Sales Strategy, Performance Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Architecture, Data Storage, Computer Systems, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Consultative Selling, Selling Techniques, Account Strategy, Consultative Approaches, Account Management, Solution Selling, Sales, Specialized Sales, Sales Strategy, Negotiation, Contract Negotiation, Enterprise Sales, B2B Sales, Sales Management, Price Negotiation, Sales Pipelines, Business Ethics, AI Personalization, Value Propositions, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks

CertNexus
Skills you'll gain: Cyber Threat Intelligence, Incident Response, Cybersecurity, Computer Security Incident Management, Information Systems Security, Threat Detection, Cyber Risk, Risk Analysis, Computer Security, Digital Forensics, Network Security, Incident Management, Vulnerability Assessments, Criminal Investigation and Forensics, Vulnerability Management, Vulnerability Scanning, Intelligence Collection and Analysis, Risk Management, Risk Mitigation, Network Analysis
Intermediate · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: Machine Learning Methods, Tensorflow, Predictive Modeling, Machine Learning, Text Mining, Deep Learning, Machine Learning Algorithms, Natural Language Processing, Applied Machine Learning, Convolutional Neural Networks, Supervised Learning, Recurrent Neural Networks (RNNs), Artificial Intelligence, Classification Algorithms, Data Science, Model Training, Artificial Neural Networks, Data Preprocessing, Model Optimization
★ 3.4 (34) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: A/B Testing, Email Marketing, Test Planning, Statistical Hypothesis Testing, Data-Driven Marketing, Campaign Management, Content Optimization, Performance Analysis, Business Metrics, Performance Improvement, Data-Driven Decision-Making, Analysis
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Strategic Planning, Competitive Analysis, Strategic Thinking, Strategic Decision-Making, Conflict Management, Discussion Facilitation, Organizational Strategy, Business Planning, Analysis, Risk Analysis, Strategic Leadership, Strategic Prioritization, Environmental Monitoring, Stakeholder Analysis, Public Policies, Leadership Development, Public Administration
Beginner · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Dashboard Creation, Dashboard, Incident Management, Information Management, Computer Security Incident Management, Event Monitoring, Query Languages, Business Intelligence, Data Management, Data Analysis, Big Data, Business Analytics
★ 4.8 (27) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Cloud Infrastructure, Cloud Solutions, Infrastructure As A Service (IaaS), Terraform, Cloud Engineering, Load Balancing, Cloud Services, Managed Services, Cloud Management, Cloud Development, Infrastructure as Code (IaC), Cloud Deployment, Virtual Machines, Network Infrastructure, IT Automation, Virtual Networking, Scalability, Virtual Private Networks (VPN)
★ 4.5 (109) · Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Data Security, Cloud Security, Azure Active Directory, Microsoft Azure, Data Storage, Encryption, Cloud Storage, Microsoft SQL Servers, Authorization (Computing), Authentications, Database Management, Databases, Data Governance, Key Management, Identity and Access Management, Firewall
★ 4.5 (15) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cost Estimation, Project Estimation, Project Scoping, Work Breakdown Structure, Cost Management, Project Planning, Project Schedules, Sprint Planning, Project Controls, Scope Management, Estimation, Earned Value Management, Scheduling, Project Management, Timelines, Change Control, Variance Analysis, Dependency Analysis, Network Analysis
★ 3.8 (6) · Beginner · Course · 1 - 4 Weeks