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.

Skills you'll gain: Email Security, Public Key Infrastructure, Encryption, Network Security, Cryptography, IT Security Architecture, Cybersecurity, Endpoint Detection and Response, Hardening, Data Security, Cyber Threat Hunting, Cryptographic Protocols, Advanced Encryption Standard (AES), Key Management, Authorization (Computing), Cyber Attacks, Information Technology, Computer Security Incident Management, Cyber Security Strategy, Technical Support and Services
★ 4.8 (3.1K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Email Security, Cloud Infrastructure, Cloud Platforms, Cloud Computing, Generative AI, Cloud Computing Architecture, Generative AI Agents, Cloud Services, Cloud Development, Cybersecurity, Hardening, Data Storage, Peripheral Devices, Virtualization, Computer Hardware, OSI Models, General Networking, Database Administration, Programming Principles, Computer Programming
★ 4.7 (12K) · Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Cybersecurity, Cyber Security Assessment, Human Factors (Security), Incident Response, Cyber Attacks, Cyber Security Strategy, Cyber Threat Intelligence, Security Management, Authentications, Vulnerability Assessments, Governance, Disaster Recovery, Computer Security Incident Management, Security Awareness, Threat Management, Threat Detection, Enterprise Security, Security Controls, Network Security, Risk Management
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Digital Forensics, Incident Response, Penetration Testing, Computer Security Incident Management, Cybersecurity, Threat Detection, Cyber Security Assessment, Vulnerability Assessments, Security Awareness, Malware Protection, AI Security, Exploitation techniques, Network Security
★ 4.8 (1.6K) · Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Human Factors (Security), Incident Response, Cyber Attacks, Security Management, Cybersecurity, Cyber Security Strategy, Governance, Disaster Recovery, Computer Security Incident Management, Threat Detection, Enterprise Security, Data Security, Governance Risk Management and Compliance, Computer Security Awareness Training, Security Controls, Security Awareness, Network Security, Risk Management, Social Skills, Business Strategies
Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Cyber Security Assessment, Cybersecurity, Vulnerability Assessments, Security Awareness, Cyber Attacks, Computer Security Awareness Training, Cyber Threat Intelligence, Cyber Risk, Cyber Security Strategy, Threat Modeling, Endpoint Security, Network Security, Threat Detection, Human Factors (Security), Security Management, Data Security, Malware Protection, Security Controls, Risk Management, Remote Access Systems
Beginner · Course · 1 - 3 Months

IBM
Skills you'll gain: Email Security, Cloud Infrastructure, Cloud Platforms, Technical Support, Technical Support and Services, Cloud Computing, Generative AI, Cloud Computing Architecture, Hardware Troubleshooting, IT Service Management, Generative AI Agents, Cloud Services, Cloud Development, Cloud Deployment, Professional Networking, Data Storage, Peripheral Devices, Database Administration, Information Technology, Customer Service
★ 4.7 (13K) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Wrangling, Data Presentation, Big Data, Interactive Data Visualization, Data Analysis, Statistical Visualization, Data Cleansing, Apache Hadoop, Statistical Analysis, Data Visualization, Data Import/Export, Apache Hive, Data Mart, Data Processing, Data Warehousing, Data Transformation, Apache Spark, Data Science, Microsoft Excel
★ 4.8 (21K) · Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Attacks, Authentications, Incident Response, Security Awareness, Threat Management, Cyber Risk, Computer Security Incident Management, Data Security, Threat Detection, Network Security, Security Controls, Vulnerability Assessments, Encryption, Multi-Factor Authentication, AI Security, Cryptography, General Data Protection Regulation (GDPR)
Intermediate · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Vulnerability Management, Cybersecurity, Cyber Attacks, Cyber Security Policies, Security Management, Vulnerability Assessments, Cyber Security Strategy, Network Security, Threat Management, Security Controls, Continuous Monitoring, Firewall, Virtual Private Networks (VPN), Intrusion Detection and Prevention, Human Factors (Security)
★ 4.8 (729) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, ChatGPT, Generative AI, Sales Development, Sales Strategy, Sales Presentation, Sales Enablement, Sales Training, Sales Pipelines, Sales Management, Personalized Campaigns, AI literacy, Lead Generation, Sales Prospecting, LinkedIn, B2B Sales, Artificial Intelligence and Machine Learning (AI/ML), AI Personalization, Marketing Collateral
★ 4.7 (12K) · Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Role-Based Access Control (RBAC), Oracle Databases, Identity and Access Management, Performance Tuning, Data Modeling, Enterprise Modeling, Data Architecture, Data Persistence, Security Controls, Query Languages, Dashboard, Data Governance, Data Access, Business Intelligence, Performance Analysis, Analytics, Security Management, Business Logic, Data Presentation
Advanced · Course · 1 - 4 Weeks