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 California, Santa Cruz
Skills you'll gain: R Programming, R (Software), Statistical Modeling, Bayesian Statistics, Statistical Software, Markov Model, Mathematical Modeling, Statistical Methods, Probability & Statistics, Statistical Inference, Sampling (Statistics), Probability Distribution, Classification Algorithms
★ 4.5 (63) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Generative Model Architectures, Generative Adversarial Networks (GANs), Artificial Intelligence and Machine Learning (AI/ML), Responsible AI, Applied Machine Learning, Data Ethics, Transfer Learning, Artificial Intelligence, Model Optimization, Federated Learning, Machine Learning Methods, Scalability, Machine Learning, Distributed Computing, AI Product Strategy, Microsoft Azure, Information Privacy
★ 4.6 (55) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Reconciliation, Cash Flows, Ledgers (Accounting), Financial Reporting, Accounting Records, General Ledger, Accounting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Public Safety and National Security, International Relations, Social Studies, Culture, Diplomacy, Public Policies, Political Sciences, Policy Analysis, Intelligence Collection and Analysis, Diversity Awareness, Intercultural Competence, Policy Development, World History
★ 4.7 (135) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Web Services, Data Mapping, Simple Object Access Protocol (SOAP), Restful API, Business Logic, Software Technical Review, Application Programming Interface (API), System Monitoring, Application Performance Management, Security Architecture Review, Data Integration, Enterprise Application Management, Software Architecture, Business Process Automation, Maintainability, Performance Tuning, Scalability, Debugging, Application Security, Role-Based Access Control (RBAC)
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Red Hat Enterprise Linux, Linux Administration, Operating System Administration, Linux Servers, Hardening, Linux, Package and Software Management, Systems Administration, Configuration Management, System Configuration, Linux Commands, System Monitoring, Information Technology Operations, Servers, Vulnerability Scanning, Security Controls, User Provisioning, Patch Management, Network Performance Management, Vulnerability Assessments
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Snowflake Schema, Performance Tuning, Data Architecture, User Accounts, Data Warehousing, SQL, Database Architecture and Administration, Database Management, Data Modeling, Data Transformation, Data Import/Export, Cloud Computing Architecture, Data Integration, Cloud-Based Integration, Role-Based Access Control (RBAC), Data Governance, Data Security
★ 3 (30) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Cryptographic Protocols, Data Integrity, Encryption, Authentications, Data Security, Data Encryption Standard, Advanced Encryption Standard (AES), Digital Communications
★ 4.5 (102) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Key Performance Indicators (KPIs), Dashboard, Stakeholder Communications, Data Storytelling, Microsoft Outlook, Dashboard Creation, Performance Measurement, Email Marketing, Google Analytics, Business Intelligence, Data-Driven Marketing, Stakeholder Management, Stakeholder Engagement, Content Performance Analysis, Performance Metric, Performance Reporting, A/B Testing, Campaign Management, Strategic Planning, Data Visualization
Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Multi-Factor Authentication, Data Security, Security Strategy, Authentications, Database Application, Azure Active Directory, Virtual Machines, Microsoft SQL Servers, Microsoft Azure, Cloud Security, Security Controls, Identity and Access Management, Application Security, Virtualization and Virtual Machines, Network Security, Role-Based Access Control (RBAC), Encryption, Authorization (Computing)
★ 4.6 (20) · Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Cybersecurity, Cyber Security Policies, Cyber Risk, Risk Management, Cyber Governance, Cyber Attacks, Stakeholder Engagement, Risk Mitigation, Business Risk Management, Cyber Security Strategy, Risk Management Framework, Stakeholder Communications, Operational Risk, Enterprise Risk Management (ERM), Security Management, Information Systems Security, Risk Analysis, Threat Management, Security Controls, Information Assurance
★ 4.4 (13) · Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Extract, Transform, Load, Data Pipelines, Data Import/Export, Tensorflow, Data Preprocessing, Data Processing, Feature Engineering, Data Transformation, Data Sharing, Model Training, Data Management, Performance Tuning, Applied Machine Learning
★ 4.5 (536) · Intermediate · Course · 1 - 4 Weeks