Emerging FDF Spam: New Challenge for Email Filters and Users

Spammers have begun experimenting with a new file format as part of their ongoing quest to slip their tiresome messages past junk mail filters. Now users now have to contend with spam messages in the FDF (Forms Data Format). Just another thing in which spam filters needs to check for and users need to look out for. What will be the next file format spammers will use next? Also since we can't block all attachments what can spam filters do?

Like recent PDF spam campaigns, the FDF spam intercepted by Finnish net security firm F-Secure punts "get rich quick" stock spam.

There's never a good time to invest in response to such pump-and-dump pitches, of course, but the timing now is particularly bad, coming concert with falls in worldwide stock markets last week.

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