The Android security bulletin for March, published last March 6, contains 15 vulnerabilities that we discovered and privately disclosed to Google. Like some of our previous discoveries, many of these new vulnerabilities concern Mediaserver, which is the component responsible for scanning and indexing all available media files in the Android operating system.Read More
65 million: the number of times we’ve blocked mobile threats in 2016. By December 2016, the total number of unique samples of malicious Android apps we’ve collected and analyzed hit the 19.2 million mark—a huge leap from the 10.7 million samples collected in 2015.
Indeed, the ubiquity of mobile devices among individual users and organizations, along with advances in technologies that power them, reflect the exponential proliferation, increasing complexity and expanding capabilities of mobile threats.
While the routines and infection chain of mobile threats are familiar territory, 2016 brought threats with increased diversity, scale, and scope to the mobile landscape. More enterprises felt the brunt of mobile malware as BYOD and company-owned devices become more commonplace, while ransomware became rampant as the mobile user base continued to become a viable target for cybercriminals. More vulnerabilities were also discovered and disclosed, enabling bad guys to broaden their attack vectors, fine-tune their malware, increase their distribution methods, and in particular, invade iOS’s walled garden.Read More
Kernel debugging gives security researchers a tool to monitor and control a device under analysis. On desktop platforms such as Windows, macOS, and Linux, this is easy to perform. However, it is more difficult to do kernel debugging on Android devices such as the Google Nexus 6P . In this post, I describe a method to perform kernel debugging on the Nexus 6P and the Google Pixel, without the need for any specialized hardware.Read More
In our previous post, we looked at how malware can lock devices, as well as the scare tactics used to convince victims to pay the ransom. Now that we know what bad guys can do, we’ll discuss the detection and mitigation techniques that security vendors can use to stop them. By sharing these details with other researchers, we hope to improve the industry’s collective knowledge on mobile ransomware mitigation.Read More