According to a report released by Barracuda Labs , Google has twice as much malware than Bing, Yahoo, and Twitter put together. The study was conducted across these web properties over a two-month period. Barracuda says it reviewed over 25,000 trending topics and nearly 5.5 million search results, analyzing them to identify the types of topics used by malware distributors. The firm will be presenting its findings at DefCON 18 this weekend,