Nowadays, There are plenty number of short URLs in the spam e-mails. These kinds of spam messages with links abbreviated as increases from 0.5 percent to 2.5 percent. The increase indicates an automated generation of short URLs out. MessageLabs has warned the users against a strong increase of the short URLs in spam e-mails. The proportion of unwanted messages that contain a condensed link, either in the last week of at least 0.5 percent to two percent.
Short URLs make it possible for spammers, the ultimate goal of a link before the addressees to hide. They will often rely on social media sites like Twitter, which the number of characters of a message limit. "Normally such an increase is an indication that a spammer has found a way to generate short URLs to automate," said Matt Sergeant, senior anti-spam researchers at MessageLabs. A botnet with the name "Donbot" did this last technique increasingly used. The botnet appears to be designed, advertising display. Many computers are badly infected from the viruses, malwares and spywares.
Kaspersky has warned against possible dangers, which condensed out URLs. Services such as tinyurl and is.gd now offer optional preview links to pages in the full URL of a target display. In addition, Finjan a "Secure Browsing" called, free plug-in for Internet Explorer and Firefox. It discovered manipulated sites that are behind short URLs hide.
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