The incident in question was not a hack or a protocol failure, but a software logic error within Bitcoin Core. The bug, tracked and eventually patched, involved how the software handled the "keypool"—a reservoir of pre-generated addresses used to ensure privacy and security.
Many links found through "Index of" searches for sensitive files like wallet.dat are traps designed to distribute malware, such as that swap your wallet addresses with an attacker's. Honeypots: indexofbitcoinwalletdat 2021
: Searching for intitle:"index of" "wallet.dat" allows anyone to find these exposed directories. The incident in question was not a hack
In the early 2000s and 2010s, web servers (specifically Apache) frequently misconfigured directory listings. When a website has an index.html file, you see a pretty homepage. When it doesn’t, the server shows a raw, clickable list of all files in that folder—an index of / page. Honeypots: : Searching for intitle:"index of" "wallet