SSV Software SystemsUnderestimated digital risk
Recent cyber attacks highlight the increased risk of sabotage in industrial applications. Two attacks are examined in more detail.
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<p>Figure 2: With an A/B boot concept, there are two independent firmware image files in the flash of the respective hardware. A specially adapted boot loader can start either image A or B. If the flash area for image A is unusable, for example due to a cyber attack or an expired certificate, image B is started and a remote update for image A is carried out.</p> © SSV