OKAY GUYS, prepare positions.
Wikilizer is a hacking group. Below is how to hide from them.
An illegal character is a @, !, * or &, or the suchs.
Put some random illegal characters on your password. To change it, go to Special:Preferences.
Keep in mind that it can not be encrypted as the true password in the View Source menu. Enjoy!
ALSO, SPREAD THE WORD.