shifenzheng.bak refers to a notorious database backup file linked to significant personal data breaches in China, particularly the massive 2013 leak of hotel registration records. Context and Origin
shifenzheng.bak is more than just a backup file; it is a high-stakes container of personal identity. Whether you are a developer or a curious user, the presence of this file outside of a secure, encrypted environment is a major security failure. shifenzheng.bak
It was a scan of his national ID card — front and back — saved years ago when he first applied for a loan. He never deleted it. "Just in case," he told himself. shifenzheng
If the file is legitimate:
The database contained sensitive records from approximately 2010 to 2013, including: Full names and gender. ID card numbers (Shifenzheng). Home addresses and phone numbers. Hotel check-in and check-out times. Technical Impact and Handling The leak was highly publicized on Chinese tech blogs like Landian News after appearing on the vulnerability reporting platform Because the data was in a Binwalk: extension identifies it as a standard Microsoft
extension identifies it as a standard Microsoft SQL Server backup file. Key Features of the Data (shifenzheng.bak)