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    Archive for the ‘Mobile’ Category




    Today, personal communication is greatly enabled and enhanced by various messaging apps that provide text messaging, voice calls, photo sharing, and even video chat. These apps are often found in smartphones—devices that have all the features of a desktop computer, plus Wi-Fi, cellular, GPS, and data connectivity. Cybercriminals have taken advantage of the convergence of the power of the smartphone and the features of chat apps to lure victims into compromising situations and blackmail them. Our latest paper, Sextortion in the Far East, talks at length ...

    Posted in Malware, Mobile |



    Recently, we have noticed large numbers of repackaged Android apps showing up in Chinese app stores. While these apps pretend to be "free", in the end they cost the users time and money: they are either shown various ads or they are subscribed to various premium SMS numbers. (Note that these apps were not found in the official Google Play store.) Two channels are at work here. First, foreign apps that have been localized or repackaged by Chinese companies and used for ...

    Posted in Malware, Mobile |



    Today we're releasing our research paper on the operations of the Yanbian Gang—a Chinese cybercriminal group that use mobile malware to siphon off money from account holders of South Korean banks. They are able to transfer up to US$1,600 worth of local currency from victims’ accounts every single day since 2013. This investigation is the result of our continuous monitoring of the threat landscape. We are always on the lookout for new threats, and the Chinese underground is a particularly active source of these ...

    Posted in Mobile | Comments Off on Mobile Malware Gang Steals Millions from South Korean Users



    For many users today, how they use technology is defined by mobile devices. Their primary device is not a desktop computer, or even a laptop. Instead, it's a tablet or a smartphone. Instead of data stored on a hard drive or a USB stick, corporate data is now stored in the cloud and accessed as needed by users. If we look at the number of PCs versus smartphones sold, the trend is clear. In the 3rd quarter of 2014, analysts ...

    Posted in CTO Insights, Mobile | Comments Off on Mobile Virtualization – Solving the BYOD Problem



    Every Android app comprises of several components, including something called the AndroidManifest.xml file or the manifest file. This manifest file contains essential information for apps, “information the system must have before it can run any of the app's code.” We came across a vulnerability related to the manifest file that may cause an affected device to experience a continuous cycle of rebooting—rendering the device nearly useless to the user. The Manifest File Vulnerability The vulnerability can cause the OS to crash through ...



     

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