Catalin Visinescu

Lexmark encrypts the firmware update packages provided to consumers, making the binary analysis more difficult. With little over a month of research time assigned and few targets to look at, NCC Group decided to remove the flash memory and extract the firmware using a programmer, firmware which we (correctly) assumed…

The Microcontroller Unit (MCU) is the heart of an embedded device, where the main firmware executes its instructions to carry out the system’s functions. These come in many varieties. Relatively simple microcontrollers with limited-resource processors may bundle only a few IO peripherals, a small amount of memory, and be intended…

Introduction Internet of Things security can mean any number of things for your product and its users. This will depend largely on the context of the product and its deployment, and can include specific requirements, such as integrity, confidentiality, availability, safety, privacy, consent, authenticity, and more. Understanding how security fits…