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Massive rise in spam disguised as fake delivery reports
IT News |
14/09/2009
There has been a massive increase in spam attacks designed to look like non-delivery report (NDR) messages, a new study has revealed.
Research by PandaLabs shows that the number of malware infested emails using this technique in August was 2,000 per cent higher than the monthly average for the first six months of 2009.
Legitimate NDRs are produced when, for whatever reason, it has not been possible to deliver a message.
According to PandaLabs, around one in five spam messages now disguise themselves as an NDR, although the reasons for this are not yet clear.
Luis Corrons, technical director at the IT security firm, said: "There is presently no consensus on whether NDRs are a technique used to evade anti-spam filters, or a collateral effect of dictionary attacks. Either way, this technique is now among the most widely used."
Last week, Nick Heath, senior reporter at Silicon.com, claimed that businesses are increasingly focusing on IT security as they want to avoid the adverse publicity that comes with a data leak.
Posted by John Lynes.
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