Microsoft Excel has become the latest vehicle for carrying stock pump-and-dump spam scams, according to US security specialist Commtouch Software.
First identified and blocked by Commtouch on 21 July, the Excel spam promotes stocks in file attachments with names like "stock information-3572.xls," "invoice20202.xls," and "requested report.xls."
"Excel is a natural progression after the recent spate of PDF spam, which itself is a natu


