

In our case, all passwords (except Billy’s) are very frequently used passwords and are among the most used passwords (for example in the 10-million-password-list-top-1000.txt).

Let’s take the following database (the passwords are the same as earlier) Login For example, the LinkedIn site used to store part of its passwords with sha1, and after the hash leaks in 2012, it took only three days to recover 90% of the passwords. In many cases, passwords are stored with outdated irreversible cryptographic functions (md5, sha1…).
