¿ pɹoʍssɐd ʍǝu ʎɯ pɐǝɹ noʎ uɐɔ

For those who want an extra layer of bruteforce resistance for authentication shemes that support unicode (NTLM2 for example) : Why not try to flip some, or all characters of the password up side down ?

There is an online tool to help you convert the appropriate strings to unicode, the site is called ǝlʇıʇdılɟ : http://fliptitle.com/