Ya hay una utilidad online para comprobar si tus claves de Yahoo han sido filtradas. Yup = Si, Nope = No http://t.co/1vW3u9u1 #seguridad
July 12, 2012
Were my credentials compromised in the recent Yahoo Voices hack?
How does it work? Your e-mail address and password are not sent to any server. This webpage calculates the MD5 hash of your e-mail address or password and checks it against known compromised hashes generated from yahoo_disclosure.txt.

