Certified Junior Detection Engineer (CJDE)
Lessons available in 9 languages with native text-to-speech (beta)
CJDE provides a structured pathway into detection engineering and security operations, focusing on how to identify, analyse, and respond to threats through modern detection engineering practices. It builds practical skills in creating, testing, and tuning detections across real security environments.
The course supports teams in strengthening detection coverage, improving alert quality, and developing more consistent detection engineering practices across security operations.
Skills Your Team Will Gain
Certified Junior Detection Engineer (CJDE)
Recommended experience
1-3 years experience
Estimated time to complete
approximately 40 hours to complete
On-demand access
Complete in 4 months
NICE Mapping
Infrastructure Support
57% Topics, 68% Knowledge, 81% Skills
Who is the course for?
CJDE is designed for professionals building or transitioning into detection engineering and security operations roles. It is particularly relevant for:
- Security Analysts
- Incident Responders
- Threat Intelligence Analysts
- Security Engineers
- Detection Engineers
While primarily aligned to foundational and junior-level experience, it also supports specialization in detection engineering for those looking to deepen technical expertise in this area.
Why choose CJDE?
CJDE is designed to help practitioners turn threat intelligence into real, working detections across security environments.
It focuses on practical detection workflows that improve visibility, reduce detection gaps, strengthen response readiness, and build hands-on detection engineering capability across core areas including:
- Detection Automation - Automate workflows using Git-based processes
- Network Detection Engineering - Create and tune network-based detection rules
- Sigma Rules - Build, test, and refine Sigma-based detections
- AI-Assisted Detection - Apply AI tools within detection engineering workflows
About the Course
2 topics
What Your Team Will Learn
Lessons
- Welcome to the CJDE!
Networking Essentials
Windows Essentials
Linux Essentials
Python Essentials
Incident Response Essentials
Git Workflows for Detection Engineering
Network Analysis Essentials
Yara & Sigma Essentials
Zeek Essentials
Malware Analysis for Detection Engineering
Detection Rule Creation and Tuning
Threat Intelligence Integration for Detection
Behavioural Analytics for Threat Detection
AI for Defenders
CJDE Exam Preparation
Ready to strengthen your team's capabilities?
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