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Spammers Use New Technique for Bait-and-Switch Ploy

Spammers Use New Technique for Bait-and-Switch Ploy - top government contractors - best government contracting event

Spammers Use New Technique for Bait-and-Switch Ploy - top government contractors - best government contracting eventSpammers are now establishing their own fake URL-shortening services to perform URL redirection, which has led to an increase in spam by 2.9 percentage points this month, according to new research.

The Symantec May 2011 MessageLabs Intelligence Report reveals that in a bait-and-switch ruse, scammers supply legitimate shortened URLs in spam messages that direct unwitting targets to fake URL-shortening websites and, eventually, to the fraudster’s website.

“MessageLabs Intelligence has been monitoring the way that spammers abuse URL-shortening services for a number of years using a variety of different techniques, so it was only a matter of time before a new technique appeared,“ said Paul Wood, MessageLabs Intelligence senior analyst. “What is unique about the new URL-shortening sites is that the spammers are treating them as “˜stepping stones' ““ a link between public URL-shortening services and the spammers' own sites.“

Spammers register these new domains several months before using them, possibly to avoid getting detected by legitimate URL-shortening services as the age of the domain may be used as an indicator of legitimacy.

In addition to URL-shortening scams, the report also breaks down spam impact globally, pinpointing Russia as the most spammed nation in May. In the Netherlands, spam accounted for 77.5 percent of email traffic, in Germany 75.5 percent, 75.1 percent in Denmark and 73.9 percent in Australia.

As for vertical trends, the most spammed industry sector with a spam rate of 80.2 percent was the wholesale sector, followed by education (77.4 percent), chemical & pharmaceutical (76 percent), IT services (75.4 percent), retail (75.4 percent). public sector (74.5 percent) and finance (74.7 percent).

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