But the fundamental defense is not technical—it is operational discipline.

sha256sum /path/to/wallet.dat

Avoid unencrypted backups on Google Drive, Dropbox, or public web servers. indexofwalletdat

It is the industry standard for "brute-forcing" or using dictionary attacks on encrypted wallets.

While "indexofwalletdat" may sound like a specific technical tool, it is actually a common Google Dork (an advanced search query) used to find exposed wallet.dat files on poorly secured web servers.

If you are a security professional looking for exposed wallets to help secure them, doing it better means using ethical disclosure tools, not raw indexing.