I just got this email notice from Zombaio:

Right now there are people contacting clients via ICQ, Skype and other channels in hope to gain access over their account.

Never give out any information by mail, phone or chat. If you have called in to one of the numbers displayed on www.zombaio.com (make sure of the spelling) you can safely giving your MerchatID. Note that Zombaios customer service will never ask for your ZOA username or password!

Zombaio do not use ICQ or Skype with names like "Zombaio LLC" or similar. The name used over these channels is associated with personal names.

If you are unsure of a contact, ask to come back and use one of these numbers or contact form that you find on www.zombaio.com

Protect Your Password
Zombaio and its representatives will NEVER ask you to reveal your password. There are NO EXCEPTIONS to this policy. If anyone asks for your password by phone or by email, skype, icq or on any website other than secure.zombaio.com, refuse and immediately report this to abuse@zombaio.com.

Access your account ONLY using the login link on the Zombaio homepage
Please be advised that Zombaio and its representatives will NEVER send you an email asking you to provide your login details within a form provided or to click on a hyperlink to access your account! Immediately report any incident to abuse@zombaio.com.
If you are using Zombaio, or any billing processor for that matter, take caution and don't provide your login details to unsolicited contacts!!!