⚠️ Retired / Legacy Exam: This exam has been retired or replaced. These practice questions are kept for reference only. Please check the official vendor website for current exam versions before studying.
The Chief Information Security Officer (CISO) asks a security analyst to write a new SIEM search rule to determine if any credit card numbers are being written to log files. The CISO and security analyst suspect the following log snippet contains real customer card data:
Which of the following expressions would find potential credit card numbers in a format that matches the log snippet?
A. ^0-9$
B. (0-9) x 16
C. “1234-5678”
D. “04*”