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Facebook releases 'Conceal' API for Android developers to Encrypt data on Disk

Facebook releases 'Conceal' API for Android developers to Encrypt data on Disk

Feb 07, 2014
Many Smartphone applications support, installation or app data storage to an external SD Card, that can be helpful in saving space on the internal memory, but also vulnerable to hackers. Typically, an app that has permission to read and write data from an SD card has the permission to read all data on that card, including information written by other apps. This means that if you install a malicious application by mistake, it can easily steal any sensitive data from your Phone's SD Card. To prevent the data from being misused by any other app, the best implementation is to encrypt the data, but that will drop the performance of the device. On its 10th birthday, as a treat for mobile developers, Facebook has unveiled the source code of its Android security tool called ' Conceal ' cryptographic API Java library, that will allow app developers to encrypt data on disk in the most resource efficient way, with an easy-to-use programming interface. Smaller th
Firmware vulnerability allows man-in-the-middle attack using SD Memory cards

Firmware vulnerability allows man-in-the-middle attack using SD Memory cards

Jan 02, 2014
How is it possible to exploit SD Card, USB stick and other mobile devices for hacking? Another interesting hack was presented at the Chaos Computer Congress (30C3), in Hamburg, Germany. The researchers demonstrated how it is possible to hack the microcontroller inside every SD and MicroSD flash cards that allow arbitrary code execution and can be used to perform a man in the middle attack . The Hardware Hackers  Andrew " bunnie " Huang and Sean "xobs"  described the exploitation method on their blog post ," it also enables the possibility for hardware enthusiasts to gain access to a very cheap and ubiquitous source of microcontrollers. " It seems that to reduce SD cards price and increase their storage capability, engineers have to consider a form of internal entropy that could affect data integrity on every Flash drive. Almost every NAND flash memory is affected by defects and presents problems like electron leakage between adjacent cells. " Flash memory is really
Making Sense of Operational Technology Attacks: The Past, Present, and Future

Making Sense of Operational Technology Attacks: The Past, Present, and Future

Mar 21, 2024Operational Technology / SCADA Security
When you read reports about cyber-attacks affecting operational technology (OT), it's easy to get caught up in the hype and assume every single one is sophisticated. But are OT environments all over the world really besieged by a constant barrage of complex cyber-attacks? Answering that would require breaking down the different types of OT cyber-attacks and then looking back on all the historical attacks to see how those types compare.  The Types of OT Cyber-Attacks Over the past few decades, there has been a growing awareness of the need for improved cybersecurity practices in IT's lesser-known counterpart, OT. In fact, the lines of what constitutes a cyber-attack on OT have never been well defined, and if anything, they have further blurred over time. Therefore, we'd like to begin this post with a discussion around the ways in which cyber-attacks can either target or just simply impact OT, and why it might be important for us to make the distinction going forward. Figure 1 The Pu
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