: Even if encrypted, hackers use tools like Hashcat to attempt to crack the passphrase. In 2021, several vulnerabilities were identified in older wallet versions that made this brute-forcing significantly faster.
To prevent your wallet from appearing in an "Index of" search, follow these best practices: How to Find a Lost wallet.dat File on Your Computer
: Even if they can't crack the password, the metadata in the file (like labels and addresses) can be used to identify high-value targets for phishing attacks . How to Protect Your Wallet Data