From personal experience, passwords are mostly harvested in 3 ways: Data breaches, emails that redirect to fake "password change" forms and from just plainly asking people for their passwords.

perl -e 'use Crypt::Digest::SHA256 qw[sha256_hex]; print substr(sha256_hex("the Answer To Life, The Universe And Everything"), 6, 2), "\n";'

In reply to Re^4: Replacing crypt() for password login via a digest - looking for stronger alternative by cavac
in thread Replacing crypt() for password login via a digest - looking for stronger alternative by davebaker

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