OK, here is an example. The following report is published by the
cert.br, and regarding their analysis, attackers were serving cache
DNS for 4.5 milion users just to steal bank accounts from the users.
*1) Phishing and Banking Trojan Cases Affecting Brazil, From P.17
- http://www.cert.br/docs/palestras/certbr-firstsymposium2012.pdf
Attackers are patient, know your network, compromise your equipments,
and can use them for evil purposes. We should not create a new
security risk.