Mobile security firm Lookout has released their 2011 Mobile Threat Report based on data from more than 700 thousand apps and 10 million devices worldwide. The report talks about growth of Malware on Android platform and various methods malware writers are using to trick users. The interesting highlights of the Mobile Threat Report are:

• Both web-based and app-based threats are increasing in prevalence and sophistication.
• Android users are two and a half times as likely to encounter malware today than 6 months ago and three out of ten Android owners are likely to encounter a web-based threat on their device each year.
• An estimated half million to one million people were affected by Android malware in the first half of 2011; Android apps infected with malware went from 80 apps in January to over 400 apps cumulative in June 2011.
• Attackers are deploying a variety of increasingly sophisticated techniques to take control of the phone, personal data, and money. Additionally, malware writers are using new distribution techniques, such as malvertising and upgrade attacks.
• Worldwide, the likelihood of encountering malware varies from less than 1% to more than 4% depending on country.

You can read the detailed report on Lookout’s blog. The complete report has mobile platform comparison for iOS and Android security implementations, platform vulnerabilities details and information about types of threats.