@nifty Secure Privacy (formerly @nifty Password Manager) is a community of hackers who have stolen sensitive information and personal information called the "dark web".
Monitor the network on which transactions are made, and if a leak is found, via email or app
It issues a warning and prevents it from being used for online crime. Also, various websites
It is possible to manage all the passwords and passwords required when using, and it is a highly secure password.
Password creation support and the ability to securely synchronize authentication information on all devices used
It prevents the reuse of accounts and reduces the risk of account information leakage.

Notes
* To use it, you need to apply for @nifty Secure Privacy. Please see the service page for how to apply.