Trend Micro recently released its 3Q 2012 Security Roundup [PDF file], which states that the number of malicious Android apps increased by 483 percent during the past quarter.

"While Apple’s relatively rigorous approach to vetting apps before allowing them on the App Store has minimised security risk, Google’s open platform has become a hotbed of malicious activity, according to the latest threat report from security firm Trend Micro," writes Computer Weekly's Warwick Ashford.

"Bottom line: Trend Micro reps said the reality of the number of cyber threats over the last quarter have far surpassed the estimations of 'even the world’s most renowned threat technologists,'" writes ZDNet's Rachel King.

"Indeed, Trend Micro reports that 'high-risk' and 'dangerous' applications targeting Android users climbed from nearly 30,000 in June to almost 175,000 in September," writes CIO Today's Jennifer LeClaire. "With only 20 percent of Android device owners using a security app, that means the threats are very real. Trend Micro says users need to understand what permissions apps seek before approving them and unintentionally sharing sensitive information."

"According to Trend Micro's research, fake versions of legitimate Android apps are by far the most prevalent form of malware," writes Computer Business Review's Steve Evans. "Some are designed to steal sensitive information, such as banking information, while others attempt to takeover a user's smartphone or run up huge bills by signing up for premium rate messaging scams."

"There’s been a big increase in mobile adware, which, while not outright destructive, does display ads and gather information on the phone owner without their consent," writes Techwatch's Darren Allan.

"Also noted in the quarterly report was an increase in ZeroAccess malware, which is popular on peer-to-peer networks and now able to patch system files," writes Threatpost's Anne Saita. "It moved to first place in rankings with more than 900,000 detections. In addition, Saudi Arabia was the top spam-spewing nation, accounting for 21 percent of all worldwide spam. India was second with 18 percent."