Brokers Restricting Online Trading

[charhorse]

I attempted to buy Amedia Networks (AANI) today online through Scottrade and was told it is restricted.
When I called I was told it was no fault of the company but due to possible hacker activity using other accounts and this was a cooperative activity between them and other brokerages.
One of the mods on another board suggested asking for something in writing from them concerning this restriction.
In hindsight his answer did seem a little simple