In Q2 2008, 74% of all mail received was spam. In Q2 2008, Turkey became the country with most zombie computers (11% of the global total), followed by Brazil (8.4%) and Russia (7.4%). The USA, which in the Q1 2008 accounted for 5% of all zombies, is now in ninth place with just 4.3% of the total. Google Adwords has been at the center of one of the most notable attacks over the last quarter, PandaLabs says. This Google service had been used previously to launch phishing attacks and the trend continues. This type of attack uses social engineering to trick users into revealing confidential details (bank account numbers, passwords, etc.).