Designing for safety and security in a connected system

Dan Smith and Andrew Girson, Barr Group
embedded.com (September 06, 2017)

Good embedded software has always been designed for both safety and security. However, connectivity has introduced intolerable levels of security vulnerability in safety-critical applications such as medical, autonomous vehicles, and Internet of Things (IoT) devices.

The tight coupling of safety and security, combined with heightened threat levels, requires developers to fully understand the difference between safety and security; also, to apply industry best practices to ensure that both are designed into a product, right from the start (Figure 1).

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