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US-CERT ST17-001: Securing the IoT

Security Tip (ST17-001):  Securing the Internet of Things
The Internet of Things is becoming an important part of everyday life. Being aware of the associated risks is a key part of keeping your information and devices secure. The Internet of Things refers to any object or device that sends and receives data automatically through the Internet. This rapidly expanding set of “things” includes tags (also known as labels or chips that automatically track objects), sensors, and devices that interact with people and share information machine to machine.[…]

https://www.us-cert.gov/ncas/tips/ST17-001

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Attify’s Firmware Analysis Toolkit and AttifyOS VM

Attify has a Firmware Analysis Toolkit (FAT). Apparently they include a pre-built version of it in their AttifyOS VM, and use it in their IoT training:

Firmware Analysis Toolkit: FAT is a toolkit built in order to help security researchers analyze and identify vulnerabilities in IoT and embedded device firmware. This is built in order to use for the “Offensive IoT Exploitation” training conducted by Attify. As of now, it is simply a script to automate Firmadyne which is a tool used for firmware emulation. In case of any issues with the actual emulation, please post your issues in the firmadyne issues.

Attify OS – Distro for pentesting IoT devices: Instead of spending time installing, configuring and setting up various tools required for IoT pentesting, here is a pre-made distro for you containing the tools that would come handy during any Internet of Things Security Assessment or Penetration testing.

From training site:
Firmware analysis: IoT devices and embedded systems run on firmware, which often hold a lot of secrets and sensitive information. This module will help you analyze and extract firmware, thus helping you identify vulnerabilities in the firmware for IoT devices. We will also look at firmware emulation using FAT, a custom tool built by Attify with which you can emulate firmware and perform all sorts of “non-hardware” based attacks. The tool is fully scriptable and hence can be modified and used according to your preference. You also get access to the API, which will allow you to use the tool for your own further research.

https://github.com/attify/firmware-analysis-toolkit
http://tinyurl.com/attifyos
https://www.attify.com/
http://offensiveiotexploitation.com/
https://github.com/adi0x90/attifyos (unsure if this official or not)

 

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NXP: designing IoT devices with secure boot

NXP has a webinar for IoT makers, talking about secure booting. ‘Webinar’ scared me, but there’s no registration required. 🙂

Watch this on-demand presentation to learn how to:
* Manage the life cycle of an IoT edge node from development to deployment.
* Leverage hardware and software offerings available with the Kinetis MCU portfolio that can help you protect against attacks.
* Ease the burden of secure IoT edge node development using new processors and architectures from ARM.

https://community.arm.com/processors/trustzone-for-armv8-m/b/blog/posts/designing-secure-iot-devices-starts-with-a-secure-boot

http://www.nxp.com/video/designing-secure-iot-devices-starts-with-a-secure-boot:DESIGNING-SECURE-IOT-DEVICES

slides: https://www.nxp.com/docs/en/supporting-information/Designing-Secure-IoT-Devices-Starts-with-a-Secure-Boot.pdf

http://www.nxp.com/docs/en/supporting-information/Designing-Secure-IoT-Devices-Starts-with-a-Secure-Boot.pdf

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Internet of Things Cybersecurity Improvement Act of 2017

https://www.scribd.com/document/355269230/Internet-of-Things-Cybersecurity-Improvement-Act-of-2017

http://www.reuters.com/article/us-usa-cyber-congress-idUSKBN1AH474

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ARM IETF ID on IoT firmware update architecture

IETF Internet draft: draft-moran-fud-architecture-00:

A Firmware Update Architecture for Internet of Things Devices
July 18, 2017
Brendan Moran, Milosch Meriac, Hannes Tschofenig
ARM Limited

Vulnerabilities with IoT devices have raised the need for a solid and secure firmware update mechanism that is also suitable for constrained devices. Incorporating such update mechanism to fix vulnerabilities, to update configuration settings as well as adding new functionality is recommended by security experts. This document specifies requires and an architecture for a firmware update mechanism aimed for Internet of Things (IoT) devices. The architecture is agnostic to the transport of the firmware images and associated meta-data. This version of the document assumes asymmetric cryptography and a public key infrastructure. Future versions may also describe a symmetric key approach for very constrained devices.

There’s a mailing list for FUD:

https://www1.ietf.org/mailman/listinfo/fud

https://tools.ietf.org/html/draft-moran-fud-architecture-00

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UEFI-based IoT firmware updates

Simplify Secure, UEFI-Based IoT Firmware Updates
Rich Nass

In the age of the Internet of Things (IoT), where everything is becoming connected, each connection point can be viewed as a “Hack This” sign for the bad guys. To prevent this, developers need to be sure that all firmware and associated patches are kept up to date with verified and secure revision control. Any unpatched or outdated firmware can allow access to critical system functions. Unfortunately, this need to keep firmware updated often goes overlooked by the development team after a product has shipped. In many cases this is due to the resources required and complexities involved. But what if the whole process of updating and securing firmware remotely or over the air (OTA) could be standardized and encapsulated within an easy-to-use, reliable solution that works seamlessly with your underlying hardware? It turns out that such a solution is already in hand.[…]

http://www.insight.tech/industrial/simplify-secure-uefi-based-iot-firmware-updates

http://www.insight.tech/authors/rich-nass

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