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.

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Automation, Artificial Intelligence and Machine Learning (AI/ML), Model Context Protocol, Context Engineering, Artificial Intelligence, System Monitoring, Workflow Management, Context Management, Tool Calling, Continuous Monitoring, Scalability, Memory Management, Large Language Modeling
★ 4.5 (11) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Data Governance, Databricks, Data Management, Metadata Management, Data Quality, Data Security
★ 2.8 (34) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Metasploit, Penetration Testing, Exploitation techniques, Cyber Operations, Brute-force attacks, Intrusion Detection and Prevention, Network Security, Dynamic Host Configuration Protocol (DHCP), Network Routing, Remote Access Systems, Network Protocols, Command-Line Interface, Network Analysis, Data Persistence
★ 4.7 (16) · Mixed · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Internet Of Things, Security Controls, Wireless Networks, Automation, Digital Transformation, Infrastructure Architecture, System Monitoring, Real Time Data, Data Security, Telecommunications, Communication Systems, Network Protocols, Continuous Monitoring
★ 4.4 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Epic EMR, Health Informatics, Data Mapping, Clinical Data Management, Data Dictionary, Clinical Documentation, Data Analysis, Electronic Medical Record, Extract, Transform, Load, Data Integrity, Data Import/Export, Data Access
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Data Security, Cloud Security, Azure Active Directory, Microsoft Azure, Data Storage, Encryption, Cloud Storage, Microsoft SQL Servers, Active Directory, Data Access, 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: Computer Hardware, Cloud Deployment, Hardware Troubleshooting, Networking Hardware, Cloud Computing, Virtualization and Virtual Machines, Cloud Services, General Networking, Network Troubleshooting, TCP/IP, Virtualization, Network Protocols, Network Administration, Dynamic Host Configuration Protocol (DHCP), Peripheral Devices, Information Technology Operations, Technical Support, System Configuration, Wireless Networks, Data Storage
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Model Evaluation, Model Training, Model Optimization, Configuration Management, Image Analysis, Debugging, Data Presentation, Experimentation, Computer Vision, Data Visualization, Deep Learning, Algorithms, Performance Tuning, Tensorflow, Failure Mode And Effects Analysis, Root Cause Analysis, Cost Management, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months
Emory University
Skills you'll gain: Social Media Analytics, Social Media Marketing, Social Media, Marketing Analytics, Social Media Management, Customer Analysis, Consumer Behaviour, Data Mining, Customer Insights, Market Analysis, Data Analysis Software, Trend Analysis, Research, Peer Review
★ 4.3 (112) · Mixed · Course · 1 - 4 Weeks

LearnQuest
Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Rmarkdown, R Programming, Ggplot2, R (Software), Plot (Graphics), Data Visualization, Data Import/Export, Statistical Visualization, Data Wrangling, Statistical Reporting, Data Visualization Software, Data Presentation, Data Analysis, Data Science, Data Manipulation, Statistical Analysis, Relational Databases, Data Cleansing, Communication
★ 4.1 (56) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Public Key Infrastructure, Encryption, Cryptography, Cybersecurity, Data Security, Cryptographic Protocols, Advanced Encryption Standard (AES), Key Management, Data Encryption Standard, Blockchain, Algorithms, Data Integrity
★ 5 (46) · Intermediate · Course · 1 - 4 Weeks