Bleeping Computer reported that a new proposal submitted to the Internet Engineering Task Force (IETF) defines a secure framework for delivering firmware updates to Internet of Things (IoT) devices. Insecure software updates for embedded devices (aka ‘firmware’) have been a frequent source of security lapses on mobile and embedded devices like Internet connected webcams. Filed on October 30, the “IoT Firmware Update Architecture,” establishes security requirements for device makers to implement when designing firmware update mechanisms for connected devices. A familiar list of features The proposed rules include features that have long been recommended by security experts to permit safe handling of software updates. Among them the use of cryptographically signed updates and public key cryptography to provide end-to-end security and verify firmware images, as well as the ability to work with low-power and resource constrained IoT devices. Firmware has been the source of widespread security issues. For example, low-cost […]
In-brief: Cisco’s Marc Blackmer discusses a proposal before the IETF that would create a Manufacturers Usage Description (MUD) standard by which device makers and their customers to specify the kinds of activities and communications are allowed for Internet of Things devices.