If you meant (Enhanced Joint Test Action Group), which is a common debugging interface for MIPS processors:
Please provide additional context such as: ejtagd
Security researchers use EJTAGD to dump firmware from devices to look for vulnerabilities or to bypass software-based security checks by modifying the CPU state in real-time. The Learning Curve If you meant (Enhanced Joint Test Action Group),
: Reverse engineers often use EJTAGD to dump firmware from proprietary hardware for vulnerability analysis. EJTAGD vs. OpenOCD ejtagd