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.

Packt
Skills you'll gain: Threat Detection, Cybersecurity, Intrusion Detection and Prevention, Cyber Threat Intelligence, Network Infrastructure, Network Security, Network Architecture, General Networking, Endpoint Security, Malware Protection, System Monitoring, Incident Response, Email Security, Operating Systems, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploit development, Network Security, Vulnerability, Cybersecurity, Vulnerability Assessments, Information Systems Security, Software Installation, Virtual Machines
Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Application Deployment, Application Programming Interface (API), Application Security, Software Development Tools, Blockchain, Application Development, Systems Integration, Cryptography, Solution Architecture, Scripting, FinTech, Emerging Technologies, Scalability
Advanced · Course · 1 - 3 Months
Skills you'll gain: Blockchain, Financial Inclusion, FinTech, Emerging Technologies, Cryptography, Payment Systems, Digital Assets, Stakeholder Analysis, Cryptographic Protocols, Distributed Computing, Public Key Cryptography Standards (PKCS), Information Privacy, Governance, Network Security, Data Integrity, Financial Services, Innovation
Beginner · Course · 1 - 3 Months
Stanford University
Skills you'll gain: Cryptography, Data Encryption Standard, Encryption, Key Management, Advanced Encryption Standard (AES), Public Key Cryptography Standards (PKCS), Cybersecurity, Authentications, Data Integrity, Secure Coding, Algorithms
Mixed · Course · 1 - 3 Months

Skills you'll gain: Keras (Neural Network Library), Deep Learning, Artificial Neural Networks, Tensorflow, Machine Learning Methods, Image Analysis, Computer Vision, Regression Analysis, Network Architecture, Network Model, Natural Language Processing, Machine Learning
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Authentications, Cloud Security, Cybersecurity, Threat Detection, Cyber Attacks, Network Security, Vulnerability Assessments, Data Security, Human Factors (Security), Software As A Service
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Security, Software Documentation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Visualization, Multimodal Prompts, Prompt Engineering, Data Presentation, Prompt Patterns, Graphing, Generative AI Agents, Generative AI, Timelines, LLM Application, ChatGPT, Artificial Intelligence, Complex Problem Solving, Ideation, Business Correspondence, Report Writing, Solution Design, Critical Thinking, Document Management, Machine Learning
Beginner · Specialization · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Pandas (Python Package), Jupyter, NumPy, Data Manipulation, Data Science, Data Analysis, Statistical Analysis, Pivot Tables And Charts, Data Cleansing, Data Import/Export, Probability & Statistics, Python Programming, Programming Principles
Intermediate · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Malware Protection, Cybersecurity, Cyber Attacks, Threat Detection, Network Security, Data Integrity, Data Storage, Network Analysis, Microsoft Windows, Mac OS, Linux, Web Applications, File Systems
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Responsive Web Design, AI Personalization, Web Analytics and SEO, HTML and CSS, Application Security, Cloud Hosting, Control Panels
Beginner · Course · 1 - 4 Weeks