Symantec's MessageLabs released its Intelligence Report for the month of October, and it reveals the that the spammers behind the biggest botnets – Cutwail, Rustock and Donbot – are using the upcoming major holidays and world events as the themes for their the latest spam runs. This is not particularly surprising news, but it is news that people should be aware of nevertheless.
If it's a tool that can make life on the web easier, you can pretty much guarantee that it will be abused by spammers. That is why it should come as no surprise that spammers are now abusing URL shortener services.
Representatives from Symantec's MessageLabs contacted WebProNews to point out that just in the last couple of days, the presence shortened URLs in spam has skyrocketed. The prominent security company claims that shortened URLs now appear in over 2% of all spam.