Checks passwords against HaveIBeenPwned password database to see if they have ever been compromised in a leak.
Plaintext passwords never leave your machine.
https://codecrossroad.blogspot.com/2019/02/python-use-haveibeenpwned-api-to-check.html
Warning: It will display compromised passwords to the screen. Keep that head on a swivel!
To export from LastPass:
- Go to your Vault
- Go to More Options
- Go to Advanced
- Go to Export
- Copy/paste the text into a file
usage: password_breach_checker.py [-h] [-e E] [-f F] [-p P]
Check passwords against cred dumps.
optional arguments: -h, --help show this help message and exit -e E Path to LastPass data export -f F Path to file with passwords, one per line -p P single password to check